Precision mechanical parts processing

Generally, we process and produce parts of precision mechanical equipment, which requires very high accuracy. Therefore, in addition to understanding the specific requirements for materials and common skills of precision mechanical parts processing, we should also understand what steps are involved in the process of precision mechanical parts processing. Now let's share with you the five stages of precision mechanical parts processing.

1. Rough machining

The main consideration is to improve productivity. Most of the machining allowance of each machining surface is cut off and the precision datum is processed.

2. Semi-finishing

It is mainly to remove the possible defects after rough machining and finish the processing of secondary surface. A certain machining accuracy must be achieved to prepare for the finishing stage and ensure proper finishing allowance.

3. Finishing

In the finishing stage, large cutting speed, small feed rate and cutting depth are mainly used to cut the machining allowance left by semi-finishing, so that the surface of precision mechanical parts can meet the technical requirements of the drawing.

4. Finishing

It is mainly used to reduce the surface roughness or strengthen the machined surface. It is mainly used for surface processing with high surface roughness requirements.

5. Ultra-precision machining

It mainly uses precision cutting, precision mirror grinding, precision grinding and polishing to make the machining accuracy of the workpiece within 0.1-0.01 μ m. Surface roughness value ra ≤ 0.001 μ m。

summary

The five stages of precision mechanical parts processing are from coarse to fine and gradually refined. Through these five stages of processing, the precision of mechanical parts can meet the requirements of customers.