Deburring, descaling and mirror polishing technology method for deep drawing stamping parts of stainless steel

How to remove burrs, oxide scale, stretch lines and mirror polish the stainless steel deep drawing stamping parts?

Metal drawing stamping process is a common metal forming process. The difference between it and the standard stamping process is that standard stamping does not significantly change the depth of the formed product, while drawing (stretching) stamping generally significantly increases the depth of the formed product. Most of the daily necessities we use are made of metal by deep drawing and stamping processes. Today we will share a case of reducing surface roughness and mirror polishing of parts made of 304 stainless steel plates after deep drawing and stamping. This polishing process solution is also suitable for deburring, descaling, removing stretch marks, wrinkles, and mirror polishing of hardware drawing and stamping parts made of other materials such as aluminum alloy, carbon steel, copper, or nickel-titanium alloy.

    • jerrylu
    • 2024-06-07
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Deburring, descaling, de-stretching marks and mirror polishing process for stainless steel deep drawing stamping parts

1. The stainless steel deep drawing stamping parts before polishing
how to deburr, descale, de-stretching marks from stainless steel deep drawing stamping parts

Materials:

304 stainless steel

Appearance:

surface burrs, stretch marks

Shape:

hollow cylinder

Size:

Ø50*15 MM

Pre-polishing process:

deep drawing stamping

Post-polishing process:

chrome plating

2. Finishing and polishing requirements
  • deburring, de-stretch marks,roughness reduced from Ra0.5 to below Ra0.2
  • surface mirror polishing
3. Polishing process details of stainless steel deep drawing stamping parts:
Porcess steps: (1) deburring, descaling for rough finishing (2) reduce roughness for fine finishing (3) mirror polishing
Machine and equipment vibratory bowl finisher vibratory bowl finisher mirror polishing machine
Speed highest highest highest
Abrasive Media tri-angle silicon carbide deburring media cone polyester media mirror polishing media
Abrasive media to workpiece 4:1 4:1 8:1
Chemical Compound finishing compound polishing compound polishing paste
Water appropriate amount, liquid level does not exceed abrasive media appropriate amount, liquid level does not exceed abrasive media no
Polishing time 120 minutes 60 minutes 180 minutes
Remark parts separated and picked up automatically, rinsed with water parts separated and picked up automatically, rinsed with water high-speed mirror polishing
4. The stainless steel deep drawing stamping parts after polishing
deburring,descaling,de-stretch marks, mirror polishing effect of stainless steel deep drawing stamping parts
 deburring, descaling, mirror polishing effect comparison of stainless steel deep drawing stamping parts

5. Additional instructions
  • This stainless steel deep drawing stamping hardware parts product is formed from stainless steel thin plate through deep drawing of mold. There are sharp burrs on the upper end after cutting, but the wall thickness of the finished product is very thin, which can easily cause deformation of the workpiece during polishing. Therefore, the rough finishing machine adopts vibrating bowl finishing machine, which has moderate finishing force and high cutting efficiency. Abrasive media uses heavy-cutting triangular silicon carbide deburring media, which can quickly remove burrs, stretch line marks and wrinkles.
  • Fine finishing uses light cutting force cone-shaped plastic media, also called resin media. This abrasive media has small grit size and light weight, will not cause deformation of the workpiece, and can further reduce the surface roughness.
  • The last step after fine finishing is to use a mirror polisher with precision finishing media to enhance the brightness and mirror polishing.

6. Final summary
  • In this case, we demonstrated the process of automated deburring, descaling, removing stretch mark lines and mirror polishing of the outer surface of a hardware component product formed by deep drawing and stamping of a 304 stainless steel plate.
  • If you need professional technical support for deep drawing stamping parts, products or the following products made of stainless steel, aluminum alloy, copper alloy, carbon steel, etc., deburring, descaling, finishing and polishing, you can refer to the above cases:
    How to deal with stamping stretch marks
    Methods for deburring by drawing stamping
    Principles of deburring by stretching stamping
    How to deburr by stamping
    What does it mean to a burred stamped part
    What is the best tool for deburring a stamped part
    Process flow of stretching stamping polishing
    Polishing of stamped parts
    What is the best material for deep drawing
    Deep drawing forming process

How to remove burrs, descale, rust, mirror polish the copper pipe fittings?

Copper (pure copper, brass, copper alloy) pipe, tube fittings deburring, descaling, mirror polishing technology method

Copper pipe, tube fittings, including copper, brass or other copper alloy pipe fittings, are generally used in plumbing systems and can also be used in food hygiene industries to inhibit bacterial growth. In order to improve the brightness of the product surface, the inner and outer surfaces need to be mirror polished. The traditional polishing process is to use a manual emery wheel for grinding. In this case, we will share a copper elbow pipe(tube) fitting product deburring, descaling, polishing and brightening process technology and methods. This finishing process solution is also suitable for deburring, descaling, chamfering and polishing of other materials such as brass, copper alloy, stainless steel, carbon steel and other pipe tube fittings.

    • jerrylu
    • 2024-06-13
    • 0 Comments

     

Copper (pure copper, brass, copper alloy) pipe, tube fittings deburring, deflashing, descaling, mirror polishing process technology method

1. Copper pipe, tube fittings before polishing
burrs,scale before polishing of copper (pure copper, brass, copper alloy) pipe, tube fittings

Materials:

pure copper

Appearance:

burrs, oxide scale,stretch lines

Shape:

elbow

Size:

DN20 120°

Pre-polishing process:

extrusion molding

Post-polishing process:

packing

2. Finishing and polishing requirements
  • deburring, descaling
  • smooth, mirror-polish effect
3. Polishing process details of copper pipe fittings:
Process steps (1) deburring, descaling (2) fine finish to reduce roughness (3) mirror polishing
Machine and equipment vibratory bowl finishing machine vibratory bowl finishing machine mirror polishing machine
Speed highest highest highest
Tumbling media spherical deburring ceramic media cone polyester media mirror polishing media
Tumbling media to workpiece 4:1 6:1 8:1
Chemical finishing compound finishing compound polishing compound polishing paste
Water appropriate amount, liquid level does not exceed abrasive media appropriate amount, liquid level does not exceed abrasive media no
Polishing time 120 minutes 60 minutes 120 minutes
Remark parts separated and picked up automatically, rinsed with water parts separated and picked up automatically, rinsed with water high-speed mirror polishing
4. The copper pipe,tube fittings after mirror polishing
Copper (pure copper, brass, copper alloy) elbow pipe deburring, descaling and mirror polishing
deburring,descaling,mirror polishing of copper(pure copper,brass,alloy) pipe, tube fittings elbow

5. Additional instructions
  • During the extrusion and stretching process of copper pipe fittings, the surface tensile lines and pits should not be too high or too deep. If the surface tensile lines and flash are too thick due to the mold, they need to be rough-grinded and leveled with a sanding machine first, and then put into the machine for finishing. In order to improve the batch processing capacity, the rough finishing and polishing machine adopts a vibratory bowl polishing machine, with the heavy-cutting spherical deburring ceramic tumbling media, which can achieve the effect of deburring and removing the oxide layer.
    Using light-cutting precision finishing abrasive media, cone-shaped plastic media for fine finish to further reduce surface roughness.
  • After fine finishing, use a mirror polisher and mirror polishing abrasive media to enhance the brightness and mirror polishing.

6. Final summary
  • In this case, we demonstrated the process of automated deburring, descaling and mirror polishing of the outer surface of a copper elbow pipe fitting.
  • If you need professional technical support for deburring and mirror polishing of copper, brass, copper alloy or stainless steel short pipes, tees, crosses, heads, flanges, caps and other tube fittings or the following stainless steel parts, you can refer to the above cases:
    Copper polishing
    What abrasive media are used for copper polishing
    How to polish the copper surface
    Copper polishing method
    Copper parts polishing in one go
    Copper mirror polishing method
    What is the best polishing method for copper
    How to polish copper to a mirror surface
    What are the methods for brass polishing
    Brass manual polishing
    Copper pipe deburring method
    What abrasive media are used to grind copper parts for deburring
    What machine is used to deburr copper products
    Rust removal of copper pipe fittings
    How to deal with rust on copper parts
    Copper rust cleaning

How to deburr, descale, deflash, finish and polish precision aluminum alloy die casting gearbox housing

Deburring, deflashing, descaling, finishing and polishing technology for precision aluminum alloy die casting gearbox housing

Aluminum alloy die-castings are widely used in the production and manufacturing of mechanical parts in the electronics, automobile, aircraft, shipbuilding, motor, home appliance and other industries. They have the advantages of beautiful appearance, light weight, high strength and corrosion resistance. However, defects such as burrs, flash, and sharp edge often occur during the production process, so the surface finishing process of the product is particularly important. In this case, we will share a process technology and method for the automated and efficient deburring, deflashing, descaling of aluminum alloy die-casting parts for automobile gearbox housings. This polishing process solution is also suitable for the surface finishing of other die-casting parts made of soft metal materials such as zinc, magnesium, and copper.

    • jerrylu
    • 2024-06-03
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deburring,deflashing, descaling and polishing effect of aluminum die-casting gearbox housing

1. Aluminum alloy die-casting gearbox housing before polishing
surface burrs, oxide scale of aluminum die-cast gearbox housing

Materials:

aluminum alloy

Appearance:

deges burrs,surface oxide scale.

Shape:

irregular shape

Size:

300*260*150 MM

Pre-polishing process:

high pressure casting

Post-polishing process:

packing

2. Finishing and polishing requirements
  • deburring,deflashing,descaling.
  • smooth,bright surface, no burrs, no oxide scale.
3. Aluminum alloy die-casting gearbox housing polishing process details:
Process steps (1) finish to deburr,deflash,descale (2) cleaning (3) vibratory drying
Machinery and equipment vibratory finishing machine vibratory finishing machine vibratory dryer
Speed highest highest highest
Tumbling media Cone resin media Angle cut cylinder porcelain media corn cob polishing media
Abrasive media to workpiece ratio 4:1 4:1 8:1
Finishing and polishing compound finishing liquid cleaning liquid no
Water appropriate amount, liquid level does not exceed abrasive media appropriate amount, liquid level does not exceed abrasive media no
Polishing time 60 minutes 15 minutes 15 minutes
Remark parts separated and picked up automatically, rinsed with water parts separated and picked up automatically, rinsed with water vibratory drying
4. The effect of deburring, deflashing, descaling and polishing the aluminum alloy die-casting gearbox housing
deburring, deflashing, descaling, polishing, brightening effect of aluminum alloy gearbox housing
finishing, polishing, burnishing effect of aluminum alloy gearbox housing

5. Additional instructions
  • The gearbox housing is produced by high-pressure casting of aluminum alloy. The product has high precision and a smooth surface, but burrs and flashes will appear on the edges and holes of surface, which need to be polished. Therefore, a finishing process combining rough deburring, deflashing, descaling and cleaning is adopted. The rough finishing adopts a vibratory finisher with medium cutting force cone plastic media. The sharp angle of the tumbling media can reach into the grooves, corners and inner walls to remove burrs and flash.
    A vibratory polishing machine is used for cleaning. The abrasive media is made of precision finishing material without cutting force angle cut cylinder porcelain polishing media. This tumbling porcelain media has a high density and has a polishing and brightening effect, which can further reduce the surface roughness.
  • In order to improve the anti-rust performance of the product after water treatment, use a vibrating dryer with corn cob drying media to absorb moisture and dry the inner and outer surfaces.

6. Final summary
  • In this case, we demonstrated the process solution of automated deburring, deflashing, descaling and polishing of a precision die-cast aluminum product, a gearbox housing, used in the automotive parts industry.
  • If you need professional technical support for the polishing of the following aluminum alloy, zinc alloy, magnesium alloy or copper alloy die-cast parts, you can refer to the above cases:
    Deburring, deflashing process technology methods for aluminum alloy die-casting automobile and motorcycle gearbox housings parts polishing process methods
    Automated deburring of aluminum alloy die-castings
    Deburring equipment for die-castings
    How to remove aluminum alloy burrs
    How to deal with aluminum alloy surface burrs
    How to deburr aluminum alloy auto parts
    Deburring methods for die-cast aluminum
    The best way to deburr die-cast aluminum parts
    Die-cast aluminum polishing and brightening technology
    How to deal with die-cast aluminum polishing
    Automated and efficient die-casting polishing and deburring solutions
    Surface treatment methods for aluminum alloy die-castings
    What are the surface treatment processes for aluminum alloy die-castings

Deburring,descaling and polishing method of copper alloy die castings (floor sockets)

How to chamfer, deburr, descale, polish and brighten copper alloy die castings?

Copper alloy die casting is a mature and versatile production process, which is used to manufacture a variety of hardware parts products. Commonly copper alloys include copper-aluminum alloy, copper-zinc alloy, copper-nickel alloy, etc. Die casting products will produce burrs, flash, scratches, oxide scale and other defects during the production process. Do you know what kind of finishing and polishing process copper alloy die castings need to go through to obtain a satisfactory surface effect? ​​In this case, we will share a copper alloy floor socket deburring, descaling, polishing, brightening process technology and methods. This polishing process solution is also suitable for the surface polishing of brass, zinc alloy, aluminum alloy, magnesium alloy and other products.

    • jerrylu
    • 2024-06-03
    • 0 Comments

     

deburring, derusting, descaling, polishing of copper alloy die castings (floor outlets)

1. copper alloy floor outlet before polishing
copper alloy die castings (floor outlets) surface burrs and oxide scale before polishing

Materials:

copper-zinc alloy

Appearance:

burrs on the edges,oxide scale on the surface

Shape:

square

Size:

120*120MM

Pre-polishing process:

die casting

Post-polishing process:

electroplating

2. requirements for polishing
  • chamfer and remove flash, grooves without burrs.
  • smooth and bright surface, no burrs, no oxide scale
3. Copper alloy floor outlets polishing process details:
Process steps (1) rough finishing, chamfering, deburring, descaling (2) fine polishing (3) vibratory drying
Machine and equipment vibratory finishing machine vibratory finishing machine vibratory dryer
Amplitude and speed highest speed highest speed highest speed
Tumbling media Cone resin media Spherical white corundum finishing media corn cob polishing media
Abrasive media to workpiece ratio 4:1 6:1 8:1
Finishing and polishing compound finishing liquid polishing liquid no
Water appropriate amount, the liquid level does not exceed the tumbling media appropriate amount, the liquid level does not exceed the tumbling media no
Polishing time 60 minutes 30 minutes 15 minutes
Remark parts separated and picked up automatically, rinsed with water parts separated and picked up automatically, rinsed with water vibrating drying
4. copper alloy floor outlet after finishing and polishing
copper alloy floor outlet chamfering, deburring, descaling, polishing effect
copper alloy floor socket chamfering, deburring, descaling, polishing effect

5. Additional instructions
  • Copper alloy floor outlets have low hardness and are medium-sized product parts with a large daily processing quantity. Therefore, a vibratory polishing machine is used with a cone plastic media with low hardness to perform rough finishing. The conical tip can touch deep into the groove to remove burrs and chamfers.
    Fine polishing and brightening is also achieved by using a vibrating finishing machine, with spherical white corundum finishing media with high hardness and light cutting force, which can cut a small amount, further reduce the roughness and improve the surface brightness.
  • In order to improve the anti-rust and anti-corrosion performance of the product after water treatment, it is immersed in the anti-rust liquid for anti-rust treatment after polishing. Finally, a vibrating dryer is used to dry the surface moisture and dry it.

6. Final summary
  • In this case study, we demonstrate the process of chamfering, deburring, descaling and polishing the surface of a copper alloy die-casting component, a floor socket.
  • If you need professional technical support for the following product polishing issues, you can refer to the above cases:
    Die casting surface treatment process
    Die casting polishing process
    Die casting deburring process
    Die casting deburring method
    How to remove oxide scale from die casting
    Descaling of die casting aluminum
    Copper alloy die casting product polishing process
    Copper alloy hardware polishing
    Copper alloy mechanical polishing
    Copper alloy polishing skills
    Copper alloy die casting deburring method
    How to deal with copper alloy die casting deburring
    Copper alloy deoxidation method
    Aluminum alloy die casting product polishing process
    Zinc alloy die casting product polishing
    Aluminum alloy die casting product deburring
    Aluminum alloy hardware polishing
    How to deburr zinc alloy hardware

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
    • 0 Comments

     

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

Materials:

zinc alloy

Appearance:

surface oxide scales,burrs,gray-white.

Shape:

simple curve. holes in the surface.

Size:

109*20*16mm

Pre-polishing process:

die cast

Post polishing process:

plating

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.

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