removefiled-in - Parts and workpieces automatic deburring,finishing,polishing

Automobile gearbox parts, synchronizer gear hub deburring, descaling and polishing process method

How to deburr, descale and polish the synchronizer gear hub,parts of automobile gearbox?

As a key component of automobiles, the transmissions have particularly strict requirements on the material, shape and position tolerance, surface quality and other factors of the mechanical parts assembled into them. The synchronizer hub is an indispensable and important component of the transmission, which is mainly used to reduce the impact between gears when the car shifts gears and achieve smooth speed change of the car.
Synchronizer gear hubs are generally produced by powder metallurgy. During the processing and forming process, due to reasons such as molds, processes or raw materials, visible burrs and rusts often appear on the edges between the teeth or in the middle keyway of the product. The presence of this burr phenomenon will have an adverse effect on the surface quality of the product, and will have a great impact on the mechanical properties, safety, and user experience of the transmission assembly. Today we will share a case study on how to remove burrs and flash from automotive synchronizer gear hub products and achieve high-efficiency finishing and polishing in large quantities. This deburring process method is also suitable for the finishing and polishing needs of other automotive parts such as gears, gear rings, gear sleeves, powder metallurgy or castings.

jerrylu
2024-12-10
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Automobile gearbox parts, synchronizer gear hub deburring, descaling and polishing process method

1. Synchronizer gear hub before deburring, finishing and polishing

How to deburr, finish and polish the synchronizer hub of automobile gearbox parts

Materials：

Powder Metallurgy

Appearance：

There are obvious burrs, flashes, and rough edges.

Shape：

Circular

Size：

20*90 MM

Pre-polishing process：

Sintering

Post-polishing process：

Anti-rust treatment

2. Finishing and polishing requirements

Efficient batch deburring, deflashing.
Improve surface brightness.

3. Synchronizer gear hub deburring,finishing and polishing process details：

Process steps	（1） Heavy cutting to deburr and descale	（2） Fine finishing to improve surface brightness	（3） Drying and rust prevention
Machinery and Equipment	vibratory finisher	vibratory finishing machine	vibratory dryer
Speed	High	High	High
Abrasives	heavy cutting media	fine finishing media	drying media
Ratio of media to workpiece	4：1	4：1	8：1
Chemical compound	finishing compound	polishing compound	N/A
Water	Right amount, the liquid level does not exceed the media	Right amount, the liquid level does not exceed the media	N/A
Processing time	30 minutes	30 minutes	10 minutes
Remark	Automatic screening and rinsing	Automatic screening and rinsing	Hot drying

4. Synchronizer gear hub after deburring, finishing and polishing

The effect of deburring, finishing and polishing of synchronizer gear hub of automobile gearbox parts

The effect comparision of deburring, finishing and polishing of synchronizer gear hub of automobile gearbox parts

5. Additional Comments

The main production process of synchronizer gear hub is powder metallurgy. After sintering, it needs to be trimmed to improve the dimensional accuracy of the sintered product and ensure that the product accuracy meets the requirements of synchronizer gear hub. The burrs are mainly concentrated on the edges of the tooth edges and keyways, and the daily processing quantity is large. Therefore, a vibratory finishing machine is used, and a heavy-cutting finishing media is used to remove the burrs. The sharp angle of the media can penetrate into the grooves between the tooth edges to achieve the purpose of removing burrs and chamfering.
Fine finishing and polishing brightness is also achieved by using a vibratory finishing machine, using high-density precision polishing media with slight cutting force, which can improve the surface brightness while micro-cutting and reducing roughness.
In order to improve the anti-rust and anti-corrosion performance of the product after water treatment, it is immersed in a rust inhibitor for anti-rust treatment after polishing. Finally, a vibratory dryer is used to absorb the surface water and dry it.

6. Final summary

In this case study, we demonstrate the process of surface chamfering, deburring and polishing of a powder metallurgy synchronizer hub component.
This process is also suitable for surface polishing of powder metallurgy sprockets, bushings, structural parts, 3D printing products and metal powder injection molding products.
If you need professional technical support for deburring, descaling, derusting and polishing of aluminum alloy and zinc alloy parts or the following products through casting, die-casting and other molding processes, you can refer to the above cases:
Gear hub processing technology
Gear ring deburring equipment
Gear deburring technology
Gear deburring machine
What are the deburring processes after rough machining of gears
Gear deburring and chamfering technology
Gear hobbing deburring

Laser engraving product parts deburring, descaling and mirror polishing process method

How to deburr, descale and mirror-polish parts of laser engraving products?

Laser engraving is an exquisite application of modern precision machining and manufacturing industry. Based on CNC technology, laser beam is used to irradiate the surface of the workpiece, and the material is evaporated, gasified or ablated through instant high temperature to obtain specific patterns. In the industries of advertising decoration, printing and packaging, leather shoes and clothing, model making, craft gifts, etc., laser engraving, a precision machining technology, has been widely used. Today we will share a case of how to remove turning tool pattern, stains, oxide scale and burrs from the camera lens cover of aluminum alloy to achieve mirror polishing. This finishing process solution is also suitable for the deburring, descaling and polishing needs of other precision machining product parts such as laser, plasma, and flame cutting.

jerrylu
2024-06-08
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deburring, descaling, mirror polishing process method of laser engraving process parts

1. The laser engraved aluminum alloy camera parts before mirror polishing

How to deburr, descale and mirror polish the laser engraving product parts

Materials:

aluminum alloy

Appearance:

surface burrs, turning tool lines, oxide scale

Shape:

special-shape

Size:

45*10 MM

Pre-polishing process:

laser engraving

Post-polishing process:

chrome plating

2. Finishing and polishing requirements:

deburring, removing turning tool lines, descaling, cleaning.
surface mirror polishing

3. Laser engraving aluminum alloy camera parts mirror polishing process details:

Process steps:	（1） deburring, descaling for rough finishing	（2） reduce roughness for fine finishing	（3） mirror polishing
Machine and equipment	vibrating finishing machine	vibrating finishing machine	mirror polishing machine
Speed	highest	highest	highest
Tumbling Media	angle cut tri-angle ceramic tumbling media	tetrahedron-shaped resin 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	mirror polishing

4. The laser engraved aluminum alloy camera parts after mirror polishing

deburring, descaling, removing turning tool lines, mirror polishing effect of laser engraving aluminum alloy camera parts

comparison of deburring, descaling, removing turning tool lines, mirror polishing effect of laser engraving aluminum alloy camera parts

5. Additional instructions

The laser engraving beam has strong energy, so it will generate very high temperature during engraving, which can easily form a hard and wear-resistant oxide layer on the surface of product parts. In addition, the precision of laser engraving is very high, and the strokes and lines in the pattern are very fine, so it is difficult for abrasive media to penetrate into these parts for finishing. Now we use a vibrating finishing machine, which has strong finishing force and high cutting efficiency, and the working bowl uses an anti-collision divider structure, thus avoiding the problem of collision and damage between workpieces. Abrasive media uses a heavy-cutting angle cut tri-angle ceramic tumbling media, which can achieve the effect of rapid deburring and descaling.
Fine finishing uses light cutting force tetrahedron-shaped plastic media, also called polyester media. This tumbling 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 vibratory bowl polishing machine with precision finishing media to enhance the brightness and mirror polishing.

6. Final summary

In this case study, we demonstrated the process of automatically removing the burr, oxide scale, turning tool lines from the surface of a laser-engraved aluminum alloy camera component to achieve mirror polishing effect.
If you need professional technical support for laser, plasma, wire cutting and other precision hardware parts or the following products in terms of deburring, deburring, removal of turning tool marks, mirror polishing, you can refer to the above cases:
Deburring methods for laser engraving
How to remove burrs from laser engraving
How to deal with burrs from laser engraving
Deburring methods for laser cutting
How long does it take to remove oxide scale from laser engraving
How to remove oxide scale from laser engraving
Laser descaling
Principle of laser descaling
Laser removal of oxide layer
How to adjust parameters for laser cutting with burrs
Why are laser cutting burrs large
How to remove burrs from laser cutting
How to solve burrs in laser cutting
Deslagging methods for laser cutting

Finishing process method for deburring, deflashing, trimming from plastic rubber silicone and nylon product parts

How to remove burrs,flash and finish plastic, rubber, silicone and nylon product parts?

During the injection molding process of rubber, plastic, silicone and nylon products, due to mold, process or raw material reasons, a large number of burrs and flash often occur on the edge of the product or in the inner hole. The existence of this burr phenomenon will have a negative impact on the surface quality of the product. The commonly used and simple method of deburring and trimming is to use a scraper for manual processing. Of course, this is only suitable for a small number of products. If large quantities of automated mechanical processing are required, since rubber, plastic, silicone, and nylon products are soft and tough, Conventional vibration/barrel finishing, electrolysis, plasma, and magnetic processes cannot achieve satisfactory results. Today we will share a case of how to deburr, deflash from rubber shin guard products to achieve high-efficiency trimming in large quantities. This finishing process is also suitable for trimming requirements of other plastic, polyester, silicone, nylon, aluminum alloy, zinc alloy and other product parts with soft, light and hard-to-break burrs such as mobile phone cases, watch bands, O-rings and other plastics.

jerrylu
2024-05-21
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Process method for deburring and deflashing on shin guards of rubber plastic products

1. The state of the rubber shin guards before deburring

How to deburr and deflash from rubber shin pad

Materials：

Eucommia rubber

Appearance:

Long burrs, rough edge

Shape：

Special shape

Size：

150*120 MM

Process before trimming：

Injection molding

Process after trimming：

Forming

2. Deburring and deflashing requirements

Batch deburring, deflashing, trimming

3. Detailed process of deburring and deflashing from rubber shin guards：

Process Steps	（1） freeze deburring and deflashing
Mahines and Equipments	deburring machine for plastic rubber products
Amplitude and Speed	high speed
Finishing Abrasive Media	plastic elastic sand
Ratio of abrasive to workpiece	4：1
Compound Liquid	none
Water	none
Process Time	10 minutes

4. Effect comparison of rubber shin pad after removing burrs

How to debur and deflash from rubber and plastic shin guards

Rubber plastic shin guards frozen deburring deflashing effect

5. Additional instructions

Due to process limitations, rubber, aluminum alloy, zinc alloy and other products made by injection molding, casting and other processes often have a long layer of burrs around them after molding. This kind of burr is very thin, easy to bend, and has a certain degree of toughness, so simple mechanical and physical removal methods are not effective. Nowadays, a special deburring and trimming machine for rubber and plastic products is used to place the workpieces in batches into a special barrel and roll them. During the processing, liquid nitrogen is added to reduce the surface of the workpieces to more than 100 degrees below zero in a short time, making the edges of the workpieces The burrs and flash will become brittle and broken, but the body of the workpiece will not be affected. While the workpiece is rolling, it is supplemented by high-speed moving plastic elastic sand abrasives that impact the surface of the product, which can accelerate the removal of burrs and rough edge on the edges of the product or inside the holes to improve the surface effect.
Another thing to note is that in order to test different processes, we divided the sample into four small pieces and finally determined the optimal deburring plan.

6. Final summary

In this case, we demonstrate an automated finishing and trimming process that uses a freezing process to remove burrs and flash from the outer surface and internal holes of rubber shin guards.
If you have problems with deburring, deflashing and trimming aluminum alloy, zinc alloy, rubber, nylon, silicone, plastic product parts or the following products using casting, injection molding and other processes and need professional technical support, you can refer to the above cases:
How to deburr plastic
Quickly remove burrs from plastic products
Solution to burrs in injection molded parts
How to remove plastic burrs and flash edges
Deburring methods for plastic products
How to quickly deal with plastic flash
How to deal with plastic flash
How to solve the problem of burrs on plastic products
Deburring plastic products
Tips for deburring plastic parts
Rubber deburring process
Advanced methods for rubber deburring
How to quickly remove burrs from rubber products
Rubber deburring equipment
How to remove burrs from silicone
Treatment method for silicone burrs