Non-standard stainless steel wire forming special-shaped spring chamfering, deburring and polishing solution

How to polish non-standard stainless steel wire formed special-shaped springs?

Stainless steel wire formed special-shaped springs are used in product spare parts and instrument components in the chemical, valve, petroleum, and electric power industries, such as motor brushes, switches, video cameras, and computer accessories. This type of precision spring requires both high strength and a smooth and bright surface. So do you know what kind of finishing and polishing process this stainless steel product undergoes to obtain a satisfactory surface effect? In this case, we will share a polishing process for chamfering and deburring the surface of a non-standard stainless steel wire-formed special-shaped spring. This polishing process is also suitable for surface polishing of compression springs, torsion springs, tension springs, clasp springs, medical springs, special-shaped rods, special-shaped springs and other products.

    • jerrylu
    • 2024-06-03


Stainless steel spring deburring, descaling, polishing effect

1. Stainless steel wire formed special-shaped springs and buckles before polishing
burrs, oxide scale of stainless steel spring


stainless steel


oxide scale and burrs on surface,dark gray.


simple curve.



Pre-polishing process:

cut to shape

Post polishing process:

finished product inspection

2. Requirement for polishing
  • smooth surface, no burrs and scale.
  • reduce surface roughness, increase gloss, and improve brightness.
  • close to mirror polishing effect.
3. Details of stainless steel wire forming special-shaped spring and buckle polishing process
Process steps (1) Coarse finishing to remove burrs and scale (2) Fine polishing (3) Mirror polishing
Machine and equipment vibrating bowl finishing machine vibrating bowl finishing machine tumbling barrel finishing machine
Amplitude and speed highest amplitude,full speed highest amplitude,full speed highest amplitude,full speed
Tumbling media spherical ceramic deburring media stainless steel ball walnut shell polishing media
Abrasive media to workpiece ratio 4:1 6:1 8:1
Finishing compound finishing liquid polishing liquid no
Water appropriate amount, the liquid level should not exceed the tumbling media appropriate amount, the liquid level should not exceed the tumbling media polishing paste
Polishing time 1 hour 30 minutes 6 hours
Remark pick up by hand and rinse with water pick up by hand and rinse with water mirror polishing
4. The effect of stainless steel wire forming special-shaped springs and buckles after finishing and polishing
deburring, descaling and polishing effects of stainless steel wire formed special-shaped springs and buckles
deburring, descaling and brightening effects of stainless steel wire formed special-shaped springs and buckles

5. Additional instructions
  • Because stainless steel is harder material, ceramic deburring ball is used for rough finishing to remove scale and burrs. If you use angle cut triangle ceramic deburring media or angle cut cylinder ceramic deburring media with sharp corners or edges will cause scratches, pitting and other problems on the surface of the product.
  • The workpiece material is hard and has no edges and corners, so it can be automatically separated by a machine. There will be no surface damage caused by collision with each other, which greatly improves the efficiency of discharging materials.
  • For stainless steel product parts, polish with stainless steel polishing ball is very effective in brightening. The surface of the product after rough finishing has no luster, but it will become bright after vibratory fine finishing and polishing with stainless steel media.
    In order to further improve the smoothness and brightness of the product surface, finally use tumbling barrel polishing machine, combined with walnut shell polishing media, achieves a quasi-mirror polishing effect with the support of polishing paste.

6. Final summary
  • In this case, we demonstrate a process of deburring, descaling and brightening for the surface of stainless steel wire-formed special-shaped springs using ceramic deburring media, stainless steel polishing media and mirror polishing media.
  • This process is also suitable for surface polishing of compression springs, torsion springs, tension springs, buckle springs, medical springs, special-shaped rods, special-shaped springs, precision buckles and other products.

How to polish zinc(aluminum) alloy handles?

Mirror polishing method and solution for zinc alloy (aluminum alloy) handles

In this case, we will discuss the polishing process of a zinc alloy (aluminum alloy) door handle.

    • jerrylu
    • 2024-06-03


Zinc alloy, aluminum alloy hardware deburring, descaling, mirror polishing, brightening effect

1. Zinc alloy and aluminum alloy handle hardware before polishing
Zinc alloy, aluminum alloy hardware surface burrs, oxide scale


zinc alloy


surface oxide scales,burrs,gray-white.


simple curve. holes in the surface.



Pre-polishing process:

die cast

Post polishing process:


2. Requirements of polishing
  • smooth surface without damage
  • descaling
  • Reduce surface roughness, increase gloss, and improve brightness
3. Details of the zinc alloy hardware handle polishing, deburring and descaling process
Process steps (1) coarse finishing to deburr,descale (2) fine polishing and brightening (3) drying
Machine and equipment vibratory bowl finisher vibratory bowl finisher vibratory dryer
Amplitude and speed highest amplitude,full speed highest amplitude,full speed highest amplitude,full speed
Tumbling media cone resin media spherical stainless steel media corn cob drying media
Abrasive media to workpiece ratio 4:1 6:1 8:1
Finishing compound finishing liquid polishing liquid no
Water appropriate amount, the liquid level should not exceed the tumbling media appropriate amount, the liquid level should not exceed the tumbling media no
Polishing time 1 hour 30 minutes 30 minutes
Remark pick up by hand and rinse with water pick up by hand and rinse with water pick up by hand and rinse with water
4. Effect after finishing, polishing and brightening
surface treatment effect of zinc alloy,aluminum alloy hardware deburring,descaling,polishing,brightening
surface treatment effect of zinc alloy,aluminum alloy hardware deburring,descaling,finishing,burnishing

5. Additional instructions
  • Because the workpiece material is relatively soft, resin media can only be used to roughly remove scale and burrs. If you use ceramic deburring media, so the hardness is too high and the sand grits are too coarse, it will wear the surface of the product and cause scratches, pitting, color contamination and other problems.
  • Also because of the material, if a machine is used for automatic separating, the collision of workpieces will cause surface damage.
  • Zinc alloys can easily re-oxidize when exposed to water and air. Therefore, we need to dry the water immediately after polishing.

6. Final summary
  • In this case, we demonstrate a process of using a resin (plastic) finishing media to deburr, remove scale and brighten on the surface of a zinc alloy handle.
  • This process is also suitable for polishing belt buckles, jewelry pendants, souvenirs, craft gifts and other products produced from aluminum alloy and copper die-casting parts.

What is vibratory polishing machine?

About Vibratory Polishing Machine

  • 1. How does ShineTec ensure the quality of vibratory polishing machines?
  • ShineTec’s vibratory polishing machine, referred to as vibratory polisher or vibrating polishing tumbler, adopts the classic three-dimensional spiral vibration principle. After decades of actual production, it has been fully verified in industries such as machining, electronics, molds, die-casting, and 3D printing.
    Professional CAD design software, laser plasma cutting and other advanced processes are used to ensure the accuracy of parts.
    Raw materials are purchased from well-known domestic and foreign manufacturers. During the welding, PU pouring, painting and other processes, the products are controlled by skilled workers with many years of front-line production experience, adhering to the spirit of craftsmanship to ensure product quality.

    ShineTec's vibratory polishing machine for deburring, descaling, brightening

  • 2. How to choose the right vibratory polishing machine?
  • In response to your workpiece polishing needs, we will ask you to send samples for process testing in the early stage. If you are satisfied with the final results of our samples, we will then based on the actual conditions of your products, such as material, shape, size, and processing quantity. and other factors, provide a professional process solution, select vibratory polishing machines with different processing capacities, or corresponding auxiliary equipment that can help improve efficiency, complete supporting functions, and polishing media that suit the requirements.
  • 3.How do you determine the processing capacity of the vibratory polishing machine you need?
  • Based on the sample results of your workpiece, the process selection for polishing treatment is determined. Next, you need to provide the daily processing quantity requirements of your workpieces. The workpiece and polishing media cannot fill the entire machine. Generally speaking, the total volume of polishing media and workpiece cannot exceed 80% of the machine capacity. The following is a reference table for the volume ratio of media to workpieces corresponding to different polishing process requirements during feeding:
    Media to workpiece volume ratio Typical application
    0 : 1 No tumbling media, self-finishing and polishing, such as some decorative stones for handicrafts.
    1 : 1 The same proportion of abrasive media and parts such as forgings, castings, etc., with very rough surfaces.
    2 : 1 Gentle finishing, allowing workpieces to collide with each other.
    3 : 1 Minimum ratio for finishing copper, aluminum, zinc and other non-ferrous metal workpieces. The workpieces may collide with each other, so the ratio is suitable for grinding and polishing ferrous metals.
    4 : 1 The ratio of non-ferrous metal workpieces with average efficiency. High polishing efficiency ratio for ferrous metal parts.
    5 : 1 More suitable for finishing non-ferrous metal parts. Workpieces rarely collide with each other.
    6 : 1 Suitable for finishing of non-ferrous metal products. Commonly used for pre-plating treatment with resin media and aluminum and zinc alloy workpieces.
    8 : 1 Suitable for finishing of non-ferrous metals or precision parts. Less surface roughness and smoothness.
    10:1~20:1 Better finishing quality. Suitable for irregular shapes or fragile workpieces.
    Maximizing No collision between workpieces. One machine polishes one part or each workpiece needs to be separated.
  • 4. What is the quality guarantee for the parts and raw materials of the vibratory polishing machines from ShineTec?
  • We purchase reliable spare parts from big brands to produce our vibrating polishing machines. The following are the purchasing channels for spare parts:
    The vibration motors come from large professional manufacturers in Wuxi or Shanghai.
    The PU lining rubber comes from Dow Chemical of the United States.
    Electrical control parts come from regular manufacturers such as Delixi or Chint.
    The brown corundum sand powder used in the production of ceramic media is also a new top-level raw material and is not a secondary recycled material used by many small manufacturers in the industry.
    Micropowder and clay are also sourced from top domestic manufacturers.
    Therefore, the main parts and raw materials required for production are traceable, and quality can be guaranteed.
  • 5.What does the guide angle of the eccentric weight on the motor mean?
  • The angle formed by the eccentric weights (commonly known as hammers) at the upper and lower ends of the motor is called the guide angle. The factory default angle is 90 degrees at right angles to each other. This angle causes the polishing media and workpiece to tumble from the outside to the inside of the vibrating polishing machine and rotate clockwise. If you need to adjust the vibration and rotation directions, the two included angles can be adjusted to 70 degrees or 120 degrees.
    The adjustment of eccentric weight of the vibration motor has two functions:
    ⑴ Adjustment of the excitation force: Remove the tightening bolts of the eccentric weight and adjust the excitation force by increasing or decreasing the number of eccentric weights;
    ⑵ Adjustment of the angle between the upper and lower eccentric weights: the upper eccentric weight is a fixed block and the lower eccentric weight is an adjustable block, both of which are pressed on the motor shaft using fastening bolts. There are reference lines engraved on both ends of the rotating shaft. The outer surface of the lower weight is equipped with a scale indicating the rotation angle. Loosen the pressing bolt of the lower eccentric weight and rotate the lower eccentric weight so that the angle scale mark on the lower eccentric weight is aligned with the reference mark of the rotating shaft line, adjust to the required angle, and tighten the lower eccentric weight holding bolt; if you need to adjust the angle of the upper eccentric block, you can also adjust it according to the corresponding method.

    Vertical vibration motor upper and lower eccentric weights

  • 6.What is the after-sales service for ShineTec’s vibratory polishing machines?
  • The whole machine has a one-year warranty. All parts will be replaced free of charge during the warranty period.
    Lifetime free technical support. After the warranty expires, accessories will be charged at cost.
    If necessary, we will also send a video demonstrating the machine parts replacement process.
  • 7. What is the daily maintenance of vibratory polishing machines?
  • Routine daily maintenance is the inspection of the PU lining and vibration spring of the machine.
    If it is found to be damaged or broken, the parts should be replaced immediately.
    If the machine runs for more than 8 hours, you should add lubricating oil to the vibration motor every month.

    Vertical vibrating motor lubricating oil filling port
  • 8. What is the installation process of a vibratory polishing machine?
  • The first step is to install the electrical control box. Connect the power cord and make a good connection to the ground wire. The yellow or green wire is ground.
    Next, remove the iron piece holding the spring on the base. Otherwise, the machine will jump on the ground after starting.
    Finally, place the machine on a flat ground and connect the tap water faucet and sewage facilities.

    Vibratory finishing machine fastening iron sheet and spring
  • 9.What problems can occur when using a vibratory polishing machine?
  • 9.1 The tumbling direction is wrong. The normal rolling direction of polishing media and workpiece is from the outside of the working bowl to the center. If the direction is opposite, please observe whether the angle between the upper and lower eccentric weights of the motor is 90 degrees. If the angle is correct, the problem may lie in the order in which the three-phase power lines are connected. Please exchange the positions of the U and V lines.

    9.2 The rotation direction is wrong. The normal rotation direction of the polishing media and workpiece in bowl is clockwise. If it is not correct, please try to adjust the angle of the upper and lower eccentric weights of the motor to 75 degrees.
    You can also reduce the weight of the eccentric block at the bottom of the motor or increase the weight of the eccentric block at the top of the motor.
  • 10. What kind of power supply does ShineTec’s vibratory polishing machine require?
  • Our machine requires 3-phase, 380V, 50Hz. If your machine will be used abroad, please inform us of the country of use or power requirements when ordering.
    We can customize machines to the electrical requirements of the country of use.
    It is recommended to use 3-phase power supply, which is more efficient than single-phase. It is also safer in high current environments.
  • 11.What can a vibratory polishing machine do?
  • If your product requires deburring, deflashing, chamfering, derusting, descaling, edge rounding, derusting, brightening, burnishing, etc., then our vibratory polishing machine can help you solve such problems.
    The machine can be used to process machined parts of different shapes, materials, sizes, and surface strengths. It is a very common tumbling polishing machine on the market (also called tumbling polisher). After surface treatment, it can increase the competitiveness of your products, save processing time and costs, and can process large quantities of workpiece products in a short time.
  • 12. What are the spare parts and auxiliary materials that make up a vibratory polishing machine?
  • The most important components are as follows:

    12.1 The working bowl of the machine. The shape is arc-shaped or U-shaped bowl-shaped body. The polishing media, workpieces to be processed, water and polishing liquid are placed in the bowl. The inside is lined with wear-resistant PU colloid, which can protect the workpiece from directly hitting the inner wall of the bowl and the polishing media from cutting the inner wall iron plate.

    12.2 Separating screen. The separating screen is mainly used to separate the workpiece from the abrasive media after polishing. Built into the working bowl of machines over 100L, it is also cast from wear-resistant PU glue, with round or square holes. The diameter is generally above 20MM. If the hole size needs to be very small, we can also customize a screen plate made of stainless steel plates for you. The screen plate can be changed at will to adapt to different workpieces and polishing media.

    12.3 Vibration motor. This is the main component of the vibratory polishing machine. The machine operates by the excitation force it generates. It is also a key factor that determines the working efficiency and operating life of the machine.

    12.4 Suspension spring. The working bowl is supported by springs and vibrates up and down. The hardness and length of the spring also affect the vibration amplitude of the machine.

    12.5 Water recovery device. This is an optional device. Water and polishing fluid can be recycled, reducing sewage discharge and meeting environmental protection requirements.

    12.6 Frequency converter. The vibration amplitude and operating speed of the machine can be controlled through the frequency converter. Some workpieces are easily deformed or fragile, and the vibration amplitude of the machine needs to be reduced or the running speed of workpieces made of different materials needs to be adjusted, which can be adjusted through it.

    12.7 Acoustic lid. The acoustic lid can reduce the noise produced by the machine when it is running. Generally it can be reduced by about 20 dB.

    12.8 Control box. The vibrating polishing machine can be equipped with an external electrical control box. It can be mechanical button type or digital display touch screen type.

    12.9 Polishing media. There are many types of abrasive media. There are tumbling polishing media made of brown corundum, porcelain, and resin, as well as stainless steel and abrasive chip from wood and bamboo chips. Each material has different shapes and sizes to adapt to various irregular shaped workpieces.

    12.10 Polishing liquid. The compound liquid added to the abrasive and workpiece play a supporting role in the finishing and polishing process. Generally, finishing liquid improves the cutting efficiency of the workpiece, polishing liquid can improve the brightness of the workpiece surface during fine finishing, and anti-rust liquid is used to protect the surface of metal workpieces from corrosion and rust after being cleaned with water.
    It comes in liquid, powder, and paste forms. It can also be used without adding water for dry finishing.

    Vibratory polishing machine built-in separating screen
    finishing, polishing compound liquid and abrasive media
  • 13. How does a vibratory polishing machine work?
  • Put the workpiece and polishing media to be processed into the working bowl of the machine according to the corresponding ratio, and then add an appropriate amount of water. The water surface should not be covered with the abrasive, as long as the water can be seen at the bottom of the bowl. Then add a small amount of polishing liquid and start the machine.
    The amplitude and running speed of the machine can be adjusted through the control box.
  • 14. What is the difference between a vibratory polishing machine and other tumbling polishing machines?
  • The main difference is the way the machine works. vibrating polishing machine uses a vibration motor to drive the working bowl of the machine to use a three-dimensional spiral vibration motion to cause the workpiece and abrasive media to tumble and rotate in the machine, allowing the abrasive media to cut on the surface of the workpiece to achieve deburring, descaling, chamfering and other effects. Because it is open type, the polishing effect on the workpiece surface can be observed at any time during the operation of the machine, and it is suitable for large-scale finishing and polishing.
  • 15.What are the reasons for choosing a vibratory polishing machine compared to other polishing machines?
  • Ease of operation and low cost are the two top reasons to purchase a vibrating polisher. At the same time, the daily maintenance of the machine is also very simple and convenient.
  • 16. What types of vibratory polishing machines are there?
  • ShineTec produces the following types of vibrating polishing machines:

    16.1 Arc-shaped Vibratory Polishing Machine. The outer wall of the working bowl of this type of machine is an arc-shaped curve, and the bottom has two structures: flat bottom and spiral. Lined with polyurethane PU glue.

    16.2 U-shaped Vibratory Polishing Machine. The outer wall of the working bowl of this type of machine is U-shaped, and the rest is the same as the arc-shaped machine above.

    16.3 Tub Polishing Machine. The working container of this type of machine is a rectangular tub-shaped body. This type of machine is designed to finish and polish some workpieces that are too long, such as more than 500mm in length. There are two installation positions for vibration motors. One is to install a vibration motor at both ends of the machine; the other is to install a motor at the bottom of the machine. Generally, if the working tub of the machine exceeds 2 meters, the motor will be installed at both ends. The amplitude and speed of the machine can also be achieved through frequency converters.
  • 17. What polishing media are needed for vibratory polishing machines?
  • Depending on the shape, material, specifications and sizes of your parts, you need to choose different types of polishing media. Abrasive media that can be used in the machine are: Ceramic Deburring Media, Porcelain Polishing Media, High Density Porcelain Media, Plastic Media, Stainless Steel Media and organicBio-degradable Polishing Media.
    Improper selection of abrasives during the polishing process will affect finishing efficiency and may even cause damage to the workpiece.
  • 18. What factors should you consider when purchasing a vibratory polishing machine?
  • First, samples testing need to be conducted to determine whether vibratory polishing is suitable for your workpiece.
    Next is some requirement data that needs to be clarified:
    Rough finishing to remove burrs, scale, flash or fine finishing to polish the brightness?
    Allowable dimensional tolerance after finishing and polishing.
    Burr length.
    Time required for completion.
    Polishing media shape and size.
    Whether the abrasive media will clog the holes or gaps in the parts.
    Are workpieces allowed to collide with each other?
    How to clean the workpiece after finishing?
    How to clean abrasives media?
    Are there any rust prevention requirements for workpieces?
    Average daily processing capacity requirements.
  • 19. How much does a vibratory polishing machine cost?
  • The price depends on the process requirements. Machines have different processing capabilities and polishing tumbling media have different applicable functions, which will cause price changes. Only after the processing solution is determined can a clear quotation be given.
  • 20. Are there any dangers in operating a vibratory polishing machine?
  • There is no danger if the operating instructions are followed.
  • 21. What are the different functions of a vibratory polishing machine?
  • Vibrating polishing machines can achieve the following functions:

    21.1 Deburring, deflashing, chamfering. Defects caused during workpiece processing that may cause harm to users can be automatically removed in large quantities.

    21.2 Derusting and descaling. Surface problems such as turning lines and mold lines can also be removed.

    21.3 Improve surface finish and brightness. Make the product surface smoother and brighter.

    21.4 Cleaning and degreasing. It can automatically remove dust, dirt, sludge and other phenomena adsorbed on the surface of the workpiece.
  • 22. What industries can vibratory polishing machines be used in?
  • Can be used in the following industries:

    22.1 Automobile parts. Gears, pistons, hubs and other parts that require machine polishing.

    22.2 Aerospace industry. Strength and durability are the main evaluation indicators of the workpieces required in this industry. Vibratory polishing machines can increase the surface strength of the product and obtain a mirror-like finishing effect.

    22.3 Medical devices and equipment. The materials used in medical devices include stainless steel, titanium alloy, cobalt-chromium alloy or other special materials. Vibratory polishing machines can process these products and improve the surface quality to obtain a beautiful surface effect.

    22.4 In addition, in mechanical parts, plastic products, 3C digital, metal casting, electronic devices, hardware parts, kitchen supplies, 3D printing
    It is widely used in industries such as textile workpieces, powder metallurgy, electrical components, minting, jewelry, instrumentation, and handicraft accessories.
What is vibratory finishing machine?

About Vibratory Finishing Machine

  • 1. Why ShineTec vibratory finishing machine is the right choice for you?
  • ShineTec vibratory finishing machine can help you solve problems related to product finishing and polishing. It can bring you a polished effect beyond your expectations. We can provide various types of polishing machines and tumbling finishing media of different materials and shapes to meet your needs.
    Our vibratory finishing machines are good at processing various parts for the hardware machinery industry, whether they are special-shaped, different materials or different sizes.
    If you have needs such as deburring, degreasing, descaling, brightening, burnishing, product surface quality improvement etc., we can provide you with professional solutions. You can pay more attention to our website, get the latest product information.
    The vibratory finishing machine is suitable for deburring, descaling, chamfering and polishing of various workpieces of metal and non-metal products. It is especially suitable for surface polishing of special-shaped and complex parts. Due to its open working bowl design, it is suitable for automatic finishing, polishing of large quantities of small and medium-sized parts. It has strong versatility and simple operation, which can greatly improve work efficiency.

    ShineTec's vibratory finishing machines

  • 2. What are the types of vibratory finishing machines?
  • ShineTec provides various types of vibratory finishing machines, which correspond to different product polishing needs.

    U-shaped vibratory finishing machine without separator.

    U-shaped vibratory finishing machine, the shape of the working bowl is a design similar to the letter “U”, and the inner wall of the upper opening of the bowl is straight, so it is also called a straight-wall vibratory finishing machine. Because there is no discharge separating screen, the size of the machine can be made smaller, and the minimum capacity can start from 30L. However, after the workpiece is polished, it needs to be picked up manually or mixed with abrasives media and discharged from the machine discharge port.

    U-shaped vibratory finishing machine with separator .

    There is a discharge port separator installed inside the working bowl of the machine that can automatically screen workpieces and tumbling media, so the minimum capacity of the machine needs to be from 100L. After the polishing task is completed, the workpieces can be automatically screened and output from the separating port. There is no need to manually grab each piece from the machine, which greatly improves the separation efficiency of the workpieces and abrasive media after batch polishing and reduces the time required and intensity of work.

    Arc-shaped vibratory finishing machine without separator.

    The arc-shaped vibrating finishing machine is also called a curved wall finishing machine because the inner wall of the working bowl is a curved arc design. Such a structure will generate greater pressure during the finishing and polishing process, which can improve the finishing efficiency of the machine in a relatively short period of time. It is especially suitable for products that require spherical tumbling media for bright polishing.

    Arc-shaped vibratory finishing machine with separator.

    Like the U-shaped machine, its working towl is equipped with a discharge port separating device that can automatically separate the workpiece and the tumbling media. Improve the screening efficiency of workpieces and reduce labor intensity.

    Tub-shaped linear vibratory finishing machine.

    It is suitable for surface finishing and polishing of large or extra-long parts. The vibration deviation generated by the vibration motor is used to cause the workpiece and the tumbling media to produce a two-dimensional movement trajectory, so that the workpiece and the finishing media grind each other in the working bowl. Achieve surface gloss effect.

    ❖ Continuous orbital vibratory finishing machine.

    By installing a spiral tunnel structure in the working bowl of the machine, a one-way motion trajectory is achieved for the workpiece to enter from the feed port and exit from the discharge port during the polishing process.
    The polishing time of a single workpiece can be controlled to avoid collision between workpieces.

    ShineTec's continuous tunnel bowl vibratory finisher

    ❖Vibrating dryer.

    Same as the vibrating finishing machine, the excitation force is generated by the vibration motor, which drives the drying media and the workpiece in the working bowl to produce a spiral three-dimensional movement. The media and the workpiece rub against each other, thereby achieving the effect of dehydration and drying of the workpiece. A hot air circulation device can also be installed to speed up the drying process.
    All vibrating finishing machines can be equipped with cylinder flaps for separator and silencer cover accessories to improve work efficiency and reduce work noise.

  • 3. How to choose a suitable vibratory finishing machine?
  • To choose the correct vibratory finishing machine, you need to tell us the number of workpieces you need to process every day, what are the dimensions, materials, and surface treatment requirements? For example, deburring? derusting, descaling or brightening? Only by understanding your specific requirements can we provide a perfect solution tailored for you.
  • 4. What issues need to be confirmed before ordering a vibratory finishing machine?
  • First confirm the model of the machine, and then determine the hole size of the separator integrated inside the machine, whether additional electrical control functions are needed, etc.
    Optional features include variable frequency speed regulator, independent electrical control box, noise reduction hood, whether manual or pneumatic flaps are required, etc.

  • 5. What are the after-sales services for ShineTec vibratory finishing machines?
  • ShineTec provides one-year free warranty service for the entire machine. Within one year, we can provide free spare parts for any problems with the vibrating finishing machine you purchased. Over one year, we charge the cost price of the accessories.
    If you have any problems during the use of the machine, you can contact our technical support staff at any time, and we will do our best to provide technical consulting services.
  • 6. What needs to be done for daily maintenance of the vibrating finishing machine?
  • To ensure that your vibratory finishing machine is in good working condition, you need to perform regular maintenance. Including checking whether the vibration motor is working properly, whether the lubricating oil is refilled regularly, whether the PU lining is damaged, whether the electrical circuit is aged and damaged, etc.
    Remember, if the machine works for more than 8 hours a day, be sure to lubricate the motor regularly.
  • 7. What is the installation process of vibrating finishing machine?
  • Installation of our vibratiing finishing machines is very simple. All you need to do is connect the motor’s cable to the electrical control box, connect the motor’s ground wire, and turn on the switch. Special attention should be paid to the vibratory finishing machine. In order to prevent the spring at the bottom of the working bowl from falling off during transportation, there are three fastening iron pieces at the bottom of the machine that need to be removed first during installation. Otherwise, the machine will jump randomly on the ground after it is started.
    fastening iron pieces for vibratory finishing machine
  • 8. What are the common problems in the operation of vibratory finishing machines?
  • Generally you will encounter two problems during the operation of the machine. One is that the tumbling direction of the materials is wrong; the other is that the rotation direction of the abrasive media is wrong.
    If the operation is normal, the tumbling direction of the abrasive and workpiece is from the outside of the working bowl to the central cylinder. The material rotates in a clockwise direction.
    If you find that the rolling direction is wrong, first check whether the two eccentric weights on the bottom of vibration motor are at an angle of 90 degrees to each other. If not, please adjust the angle of the eccentric weights.
    If the problem still cannot be solved after adjusting the angle of the eccentric weight, please check the power cord of the control box and exchange the live wire and neutral wire in the three-phase line.
    If the abrasive media movement direction in the machine is not clockwise, first check whether the abrasive load is too much. Please confirm that the ratio of abrasive to the total volume of the working bowl does not exceed 2/3. Also check again that the angle between the motor eccentric weights is 75 degrees or 120 degrees.
  • 9. What kind of power supply does a vibratory finishing machine require?
  • Our vibratory finishing machine requires 3 phases, 380V, 50Hz. If there are different power usage environments, please confirm with us in advance before ordering the machine.
  • 10. What components does the vibratory finishing machine include?
  • Different models contain different parts. A complete set of machines generally includes the following components:

    10.1 Work bowl.
    The working bowl is a container used to hold the finishing media and the workpiece for mixing and tumbling. According to the processing capacity of the machine, the volume of the bowl is also different. The inner wall of the bowl is lined with high-strength wear-resistant elastomer polyurethane (PU) to protect your polished parts and prevent wear of the inner wall of the machine.

    10.2 Separating screen.
    There are two types of built-in separating screens. One is made of PU casting and is suitable for screening workpieces of regular sizes. The other is made of stainless steel mesh, which is suitable for relatively small product parts.

    10.3 Vibrating motor.
    The vibrating motor is the power source of the vibratory finishing machine and is also a very important machine component. The motor with the eccentric weight generates excitation force, which drives the abrasive media and the workpiece in the machine working bowl to produce spiral three-dimensional motion to achieve surface finishing effects such as deburring, descaling, chamfering, contaminating and derusting and brightening .

    10.4 Spring.
    A ring of spring supports at the bottom of the working bowl suspends the bowl body on the base. The motor drives the working bowl to produce up and down reciprocating vibrations.

    10.5 Acoustic Lid.
    The machine can also be equipped with an optional acoustic lid to reduce noise during operation. However, this is not a necessary accessory, because the noise generated by the vibrating finishing machine during operation is bearable for the human body.
    In addition, the acoustic lid can also prevent the foam produced by adding excessive polishing liquid from splashing and staining the surrounding ground environment.

    Acoustic lid of vibratory finisher

    10.6 Electrical control box.
    Through the control box, you can control the machine’s speed, amplitude, direction of movement, opening and closing of optional accessories, and other functions.

  • 11. Why is it recommended that you use a vibrating finishing machine?
  • Vibratory finishing machines are the most widely used surface finishing machines. Its advantages are strong applicability, large loading capacity, simple operation, convenient loading and unloading, and the surface treatment effect can be checked at any time during the work process.
  • 12. What can a vibrating finishing machine do?
  • If you need to precision finish, chamfer and deburr, remove turning lines, trim surface defects, brighten and improve surface roughness of your product parts, then ShineTec’s vibratory finishing machine is your best choice.
  • 13. What are the application areas of vibratory finishing machines?
  • Vibrating finishing machines can be used in the following industries:
    Mechanical accessories, plastic products, auto parts, 3C digital, metal casting, electronic devices, medical equipment, hardware parts, kitchen supplies, aerospace, 3D printing, textile workpieces, powder metallurgy, electrical components, mint industry, jewelry, instruments Instruments, handicraft accessories and other industries. Wherever industrial beauty needs to be used, our machines can do the job.
  • 14. Are you a manufacturer of vibratory finishing machines?
  • Yes, we have more than twenty years of professional production experience. Our products are used in all walks of life, and many customers have personalized polishing needs for their products, with many years of production experience, we provide you with consulting services and mature customized surface treatment solutions.
What is mass finishing machine?

About Mass Finishing Machine

  • 1. How to ensure the product quality of ShineTec’s mass finishing machines?
  • High-quality raw materials, strict quality inspection during the manufacturing process, and experienced production workers are the key factors for us to provide high-quality mass finishing machines.
    For example, for the PU lining in the machine, we purchased high-grade polyurethane raw materials from Dow Chemical of the United States for pouring. In addition, the electronic components used in the electrical control box are also from domestic well-known brands such as Delixi and Delta; the motors are also made from professional suppliers with a good reputation in the industry.
    Our team of engineers and production workers are all senior personnel with more than 10 years of service as quality control personnel. We can propose personalized options and customized accessories for your product solutions to meet your needs with the most cost-effective products. We will always treat every order you place with professionalism and a serious and responsible attitude.
  • 2. What is the daily maintenance of ShineTec’s mass finishing machine?
  • We recommend lubricating the motor of the mass finishing machine every 2-4 weeks.
    Please master the machine’s running time according to your parts polishing process.
    Before each operation of the centrifugal barrel polishing machine, check whether the screws and nuts of the centrifugal polishing barrel are tightened in place. If damaged, replace immediately.
    Before each operation of the centrifugal disc polishing machine, check whether the gap between the chassis and the barrel ring is too large. If it exceeds the normal range, it should be adjusted immediately.
    During daily operation, you should always check whether the PU lining is damaged or degummed.

    The vibration motor of is filled with lubricating oil
    Gap between barrel and chassis of centrifugal disc finishing machine
  • 3. What services can ShineTec provide for mass finishing machines?
  • The most important accessories of the mass finishing machine are the wear of the PU lining and the service life of the motor.
    Routine maintenance can ensure the service life of the motor is 5-10 years, or even longer.
    The PU lining in the machine will wear and tear, and its service life depends on the cutting strength and shape of the tumbling finishing media. Spherical finishing media will cause less wear on the PU colloid than sharp-angled media.
    Generally, the service life of PU lining of centrifugal disc finisher is 3-6 months, while that of vibrating polishing machine can reach more than 10 years. Of course, this mainly depends on the cutting force and shape of the polishing media.
    We provide a one-year warranty for the entire machine. You don’t have to worry about what to do after the warranty expires? We will replace spare parts for you at the lowest cost price.
  • 4. What after-sales services are provided for ShineTec’s mass finishing machines?
  • After the machine arrives at the factory, it first needs to be installed. The installation method is simple and easy to operate. We will provide an installation and operation manual with the machine. You need to read this manual before installing the machine. If you have any questions during the use of the product, you can contact our technical support staff at any time.
    At the same time, we also provide machine installation and operation videos for your reference.
    If product parts are damaged, we will promptly provide spare parts for replacement.
  • 5.Which mass finishing machine is suitable for my product?
  • You may be confused when choosing to use an mass finishing machine, which model should I choose?
    vibratory finishing machine and tumbling barrel finishing machine are the two most widely used machines. If you are looking for a machine with faster finishing speed, you should choose a vibratory finisher. If you are pursuing better surface quality and can accept a relatively long finishing and polishing time, a barrel tumbling polishing machine is the best choice.
    Regarding vibrating finishing machines, you can also choose machines with built-in dividers, as this allows you to process different workpieces in the same time.
    If a large number of parts are being processed and can be mixed together for polishing or cleaning, then vibratory finishing machine with separator is the best choice because it can meet the requirements of automatically separating workpieces and abrasive media without the need to manually screen each piece.
    If your product is a special-shaped long part, then rectangular tub finishing machine is the right choice.
    The tub-shaped vibratory finisher is also suitable for polishing large marble for home decoration. Dividers can also be installed inside to avoid damage caused by products hitting each other during the finishing process.
    If you want to use automatic conveying function when loading workpieces, then the continuous flow vibratory finishing system can meet your needs.
    This kind of machine can also control the time of a polishing cycle of the product. Commonly used products suitable for this type of machine can be powder metallurgy parts, die castings or stamping parts.
    If your product is a high-value precision component, use centrifugal barrel finishing machine. The processing time of this type of machine is very fast, such as dental implant polishing, 3D printed parts deburring, surface polishing, textile accessories polishing, etc. This machine can be used.
    If polishing small and medium-sized workpieces, centrifugal disc finishing machine is a good choice. Suitable for cleaning and polishing industrial parts, such as commemorative coins, glasses frames, chains and other products. The unique product structure ensures high finishing and polishing efficiency of this water eddy current polishing machine.
    If you still have difficulty selecting a machine, please tell us your specific needs, such as product processing capacity, operating space requirements, power requirements, additional configuration requirements, budget, etc. We will be happy to work with you to solve your product polishing needs and efforts.
  • 6.What kind of machine is a mass finishing machine?
  • The mass finishing machine is a kind of equipment that can provide different surface treatment processes such as finishing and polishing of products according to different needs.
    Instead of manual single-piece polishing, it can polish large quantities of parts at the same time, and can perform cleaning, deburring, deflashing, descaling, derusting, degreasing, brightening, drying and other processes.
    ShineTec can provide a variety of machine models to meet your different polishing requirements. Each model has its own unique skills, and the troubles caused by the headache and annoying manual polishing will be gone forever.
  • 7. How does a mass finishing machine work?
  • Of course you first need to power on the machine.
    After pressing the power switch, the machine is in the starting state.
    Each model has its own different working principle. The basic working process of the mass finishing machine is that the abrasive media and the workpiece to be polished tumble and rotate together, let the finishing media to rub against each other on the product surface to generate cutting force to achieve the purpose of polishing.
  • 8. What components does a conventional mass finishing machine include?
  • The mass finishing solution provided by ShineTec mainly consists of three major components:

    8.1 Machine:
    The machine contains multiple interconnected parts, such as base, working bowl or polishing barrel, electrical control box, motor, etc.
    There are also some necessary mechanical parts, such as springs, fastening clamps, etc.

    8.2 Tumbling media:
    The abrasive can be a sandy deburring media or porcelain polishing media, or a stainless steel polishing ball, or even one from plants, such as corn cobs, walnut shells, wood particles, bamboo chips, etc.
    The main function is to use the cutting force of tumbling media to remove burrs and scale. It can also be cleaned and polished to improve the surface gloss of the product.

    8.3 Polishing compound:
    The function of polishing compound is to speed up the polishing process of polishing media and workpieces during the finishing process.
    Polishing compound can be liquid, pastes, or they can be solid powders.
    Antirusting liquid can prevent water from corroding certain rust-prone metals.
    Brightening liquid can increase the brightness of the surface of the product after polishing.
  • 9. Do I need this mass finishing machine?
  • The mass finishing machine can help you polish the surface of your product according to your specific needs to achieve different surface qualities.
    Your workpieces will achieve uniform surface quality results.

    9.1 Cleaning.
    The most basic function of the mass finishing machine is to clean parts and products at the minimum cost to achieve the effect of removing oil and dirt.

    9.2 Improve product surface quality.
    A good mass finishing machine can use different processes to modify the surface quality of your product through deburring, degreasing, chamfering, descaling, polishing, brightening, cleaning, drying and other processes.
    It can also increase the product service life of the workpiece by removing defects on the product surface.
  • 10.What are the different types of mass finishing machine?
  • There are four different basic types of mass finishing polishers. They are vibratory (also called vibrating) finishing machines, centrifugal disc finishing machines, centrifugal barrel finishing machines, and barrel tumbling finishing machines.
    In these models, the machine drives the workpiece to tumble and rotate together with the abrasive media, and the abrasive frictionally cuts on the surface of the workpiece to achieve the purpose of polishing. This process is also called mass finishing.
    Vibratory finishing is the most commonly used polishing method. Driven by the excitation force of the motor, the abrasive and the workpiece perform a three-dimensional spiral tumbling motion in the machine. The surface of the workpiece is cut by the finishing media to complete the polishing process.
  • 11.Are there different types of abrasive media?
  • Yes, there are different types of tumbling finishing media suitable for different process requirements.
    The specific parts are different, and the applicable abrasives media are also different.
    Tumbling media include ceramic media, plastic/resin media, stainless steel media, bio-degradable media and other varieties.
    Each abrasive media has different shapes, specifications, cutting forces and other indicators.
    You can choose different tumbling media according to your different needs.
  • 12.How to use this mass finishing machine?
  • Our machines are easy to operate and use.
    You can read the accompanying operation manual and follow the step-by-step installation instructions.
    The dosage of tumbling media, product workpieces, and polishing compound requires a suitable ratio.
    Once you’ve done that, just start the machine.
  • 13.What fields can the mass finishing machine be used in?
  • ShineTec’s mass finishing machines are suitable for products made of the following materials:
    Wood, rubber, metal, alloy, glass, steel, stone, or others.
    It also supports the following products in the manufacturing process:
    Laser cutting parts, 3D printing parts, die casting parts, stamping parts, relief parts, etc.
  • 14.What is the suitable power supply for mass finishing machines?
  • The general adapter power supply for the machine is 50Hz/380V/3-phase. For overseas markets, we also provide 60Hz, 220V, 460V, 480 and other applicable voltages.
  • 15.How long does mass finishing usually take?
  • Polishing time varies depending on the machine model.
    It can range from 10 minutes to several hours depending on the workpiece being processed.
    Generally speaking, the efficiency of centrifugal disc finisher > centrifugal barrel finisher > vibratory finisher > barrel tumbling finisher.
  • 16. What is the function of the polishing liquid added in mass finishing?
  • Polishing compound play an important role in the polishing process.
    It can help soften the surface of the workpiece, clean oil stains during friction cutting, protect the product surface, prevent surface oxidation, reduce roughness, and improve brightness.
  • 17.What are the best finishing media for mass finishing machine?
  • Different workpieces and machine models are suitable for different finishing media. So there is no such thing as the best abrasive.
    Of course, the quality of the abrasive media will definitely differ. High-quality tumbling media are definitely better than low-quality and low-priced ones.
    Inferior tumbling media will damage the surface of your workpiece and increase your polishing time.
    Poor tumbling finishing media are produced from recycled corundum sand, which has poor wear resistance and high wear. The sludge generated in the same processing time will greatly increase, and the product service life is short. Although the initial purchase price is cheap, it is not durable and increases the use of the media and sludge disposal costs.
    Commonly used abrasive media with cutting force include ceramic deburring media and resin media.

    17.1 Ceramic media.
    Ceramic media are used for deburring and finishing hard parts.
    According to different cutting forces, they can be divided into different product types.
    The tumbling media with cutting force is generally ceramic finishing media, polishing and brightening is porcelain polishing media.

    17.2 Resin media.
    Resin media is also called plastic media, polyester media, suitable for deburring and finishing of soft metal or alloy products.
    For example, workpieces made of aluminum alloy, magnesium alloy and other materials.
  • 18. What should I pay attention to when operating the mass finisher?
  • Routine maintenance of the machine is crucial to its service life.
    Generally, the following steps should be checked regularly to ensure that the machine is operating normally.

    18.1 Amount of tumbling media used.
    The proper abrasive media must always be kept in the machine. The volume of the tumbling media in the machine is generally more than 2/3 of the overall capacity of the working chamber. Do not put a small amount of tumbling finishing media in the machine just to save costs.
    Too little finishing media will damage the workpiece, slow down the grinding process, and reduce polishing efficiency.

    18.2 Check the drain outlet regularly.
    Debris or sludge from the finishing process can sometimes clog drains. Therefore, it is necessary to regularly check whether the drainage outlet is open or not.
    If it is blocked and not dealt with in time, the machine will be flooded with water.

    18.3 Inspection of PU lining.
    The PU lining protects the workpiece and prevents the finishing media from directly contacting the inner wall of the chamber and cutting the machine working chamber.
    Therefore you should always check the wear of the PU lining rubber. Once damaged, the machine should be re-lined promptly.

    18.4 Do not use the machine under overload conditions.
    Loading excessive workpieces into the machine can damage the machine. At the same time, self-damage of workpieces is caused by the collision between workpieces.
    Therefore, it is necessary to read the manual carefully and understand the maximum working load before starting to use the new machine.

    vibration finishing machine drain outlet filter
  • 19. How much does this mass finishing machine cost?
  • The price of the mass finishing machine depends on the type of product, capacity, power and usage requirements. If you are looking for the most cost-effective mass finishing machine, ShineTec is your first choice.
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