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Metal parts surface processing

- Mar 27, 2018 -

The metal surface processing subdivision can be divided into: hardware painting processing, electroplating, surface polishing processing, metal corrosion processing, etc.
Metal parts surface processing

1、Painting and processing: The hardware factory adopts paint processing when producing large-scale hardware products. Through painting, the hardware can avoid rust. For example: daily products, electrical enclosures, crafts, etc.

2. Electroplating: Electroplating is also the most common processing technology for metal processing. Electroplating is performed on the surface of hardware by modern technology to ensure that the product does not undergo moldy growth for prolonged use. Plating processes are common: screws, stampings, Cell, car parts, trinkets, etc.

3、Surface polishing: The surface polishing process is generally used in daily products. Through the surface burr processing of hardware products such as: We produce a comb, the comb is made of stamping hardware, then punch out the comb corner It is very sharp. We must throw the sharp edge of the corner into a smooth face by polishing so that it will not harm the human body during use.

Turning the outer circle is the basic method for machining the outer and inner round surfaces of metal processing. The equipment used is a lathe. In a general machinery factory, the lathes account for about 40% of the total number of machine tools. Turning is the main method of rough machining and semi-finishing the outer surfaces of various materials, and it is also the final finishing method of various materials that should not be ground.
In single-piece production, the turning outer surface is usually carried out on an ordinary lathe. In mass production, multi-tool semi-automatic lathes or automatic lathes are widely used. Large disk parts should be processed on a vertical lathe. Large long-shaft parts need to be machined on heavy-duty horizontal lathes.

The characteristics of the turning outer surface are: 1. The tool is simple, easy to manufacture, easy to sharpen and install; 2. The cutting process is smooth, the cutting force is small, which is conducive to the use of high cutting speed and high productivity; 3. The machine tool has good versatility. The outer circle, face, bore, thread, and chamfer can be machined in one setup. The mutual position accuracy between surfaces is easy to guarantee; 4. It is suitable for the finishing of non-ferrous metal parts.

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