Operation process and process characteristics of precision parts processing

In recent years, with the rapid development of China's precision parts processing industry, people have put forward higher requirements for the operation process and process characteristics of this industry.

Let's take a look at the following operation flow of precision parts processing:

1. Early benchmark. That is to say, the reference surface is processed first. During the processing of the part, the surface as the positioning reference should be processed first, so as to provide a precise reference for the processing of the subsequent process as soon as possible.

Distinguish different processing stages. High-quality machined surfaces are required to distinguish the processing stages, which can generally be divided into three stages: roughing, semi-finishing and finishing. First of all, it is necessary to ensure the processing quality, which is conducive to the scientific use of equipment, the convenience of arranging the heat treatment process, and the easy discovery of blank defects.

3. Face first and then hole. Boxes, racks, rods and other parts should be machined first and then holes. Therefore, the hole can be processed by plane positioning, the positional accuracy of the plane and the hole is ensured, and the processing of the plane hole is also facilitated.

4. Finishing. In the final stages of the process road, the primary surfaces are subjected to finishing treatments such as grinding, honing, fine grinding, rolling, etc. The formulation of the finishing process route can be roughly divided into two parts: formulating the finishing process specification; in the process of processing, firstly formulate the process route of parts processing, and then determine the process scale, the equipment and process configuration used, and the cutting process. Rules, working hours, etc.

Proficient in the machining process of precision parts, and the general machining process characteristics are also very good. Good process characteristics will naturally add a lot of color to the product. Good process characteristics can make the product more perfect or better. Precision parts processing is one of them.

Discussion on the processing technology characteristics of precision parts

Stamping and drawing dies can be processed into parts with complex sizes and shapes, such as small to clock parts. Stopwatches, as large as automobile longitudinal beams, covering parts, etc., plus the cold deformation strengthening effect of the material during the stamping process, make the stamping strength and stiffness very high.

2. Since the size and shape accuracy of the stamping die is guaranteed during the stamping process, and generally does not damage the surface quality of the stamping parts, and the service life of the die is generally long, the stamping quality is stable, Good interchangeability, with the characteristics of 'exactly the same'.

3. The stamping process generally does not produce chips and debris, the material consumption is less, and other heating equipment is not required, so it is a material-saving and energy-saving processing method, and the cost of stamping parts is low.

4. The production efficiency of stamping and drawing dies is high, and the operation is convenient, and it is easy to realize mechanization and automation. This is because stamping is done by punching dies and stamping equipment, and the stroke per minute of ordinary presses can be Up to dozens of times, high-speed pressure can reach hundreds or even thousands of times per minute, and it is possible to obtain one punching piece per minute of stamping stroke.

The above-mentioned operation process and process characteristics of precision parts processing can make the parts have many advantages. Therefore, this is a good process characteristic, which can make us The production efficiency is high, the operation is particularly convenient, and the service life is very long.

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