Computer Numerical Control (CNC) Machining: Unveiling the Precision Artistry
To Describe Computer Numerical Control (CNC) Machining: Unveiling the Precision Artistry
The most common processing method for precision parts processing
by：Yifeng Metal
2022-04-29
In general precision parts processing, most of the most common processing materials we see are stainless steel material processing, copper material processing, aluminum material processing, and iron material processing. Then the precision parts processing factory processes various precision parts according to the customer's drawings or samples through lathe processing, milling machine processing, grinding machine processing and polishing and other machinery, commonly known as hardware precision parts processing, such as those screws, motor shafts, car parts models, The mobile power supply shell, cnc shell, etc. are processed by hardware precision parts.
Let's talk about polishing, oxidation, passivation, machining, rolling, tapping, and electroplating of the most common precision parts.
1. Polishing
The principle of polishing is to make the product bright and smooth through regular dissolution.
Using method of polishing: the use of mechanical, chemical or electrochemical action to reduce the surface roughness of the workpiece to obtain a bright, flat surface processing method is to use polishing tools and abrasive particles or other polishing media Finishing of the workpiece surface.
2. Oxidation
Oxidation is divided into aluminum hard oxidation, die-casting aluminum oxidation, color oxidation, aluminum anodizing, natural color oxidation, etc.
3. Passivation
The principle of passivation can be explained by thin film theory. Passivation is due to the interaction between metal and oxidizing substances. At the same time, a very thin, dense, passivation film with good coverage and firmly adsorbed on the metal surface is formed on the metal surface. Compared with the traditional physical sealing method, the passivation treatment has the characteristics of absolutely not increasing the thickness of the workpiece and changing the color, improving the precision and added value of the product, and making the operation more convenient;
4. Machining commonly used are turning, planing, milling, and grinding.
5. Rolling
Rolling is the use of two threaded rods to extrude the workpiece to make the surface of the part Pressed out of the thread.
6. Tapping
Tapping is a die, which is used to process or repair external threads, and its interior is threaded , which can be processed by hand or used on the threading machine.
7. Electroplating
Electroplating is divided into rack plating, barrel plating, continuous plating and brush plating, etc. Size depends on batch size.
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