What are the advantages of CNC precision parts processing

In the machining industry, machining accuracy often determines the quality of machined parts to a large extent, and CNC precision parts machining itself is a very demanding machining method, which can achieve better results than traditional machining methods. There are many advantages that other processing methods do not have, so what are the advantages of CNC precision machining? The following editor will give you a brief introduction:

1 、Multi-axis control linkage: Generally, three-axis linkage is used more, but through some adjustments, four-axis, five-axis, seven-axis or even more linkage axes can be achieved.

2. Machine tools in parallel: the functions of common machining centers are also relatively fixed. You can combine machining centers and turning centers, or vertical and horizontal machining centers, which can increase the machining center. Processing range and processing capacity.

3. Tool breakage warning: Using some technical detection methods, the wear and damage of the tool can be found in time, and an alarm will be issued, so that the tool can be replaced in time to ensure the processing quality of the parts.

4. Tool life management: Multiple tools working at the same time and multiple blades on the same tool can be managed uniformly to improve production efficiency.

5. Machine tool overload and power-off protection: According to the load of the production process, the maximum load level is set. When the load reaches the set value, the machine tool can realize automatic power-off and shutdown to protect the machine tool.

How the machining of precision mechanical parts is carried out: (1) Rough machining stage. Most of the machining allowance of each machining surface is removed, and the fine reference is machined, and the main consideration is to increase the productivity as much as possible.

(2) Semi-finishing stage. To remove the defects that may occur after rough machining, to prepare for the finishing of the surface, it is required to achieve a certain machining accuracy, ensure an appropriate finishing allowance, and complete the machining of the secondary surface at the same time.

(3) Finishing stage. At this stage, high cutting speed, small feed and cutting depth are used to remove the finishing allowance left by the previous process, so that the surface of the part can meet the technical requirements of the pattern.

(4) Finishing stage. It is mainly used to reduce the surface roughness value or strengthen the machined surface. It is mainly used for surface machining with high surface roughness requirements (ra≤0.32μm).

(5) Ultra-precision machining stage. The processing accuracy is 0.1-0.01μm, and the surface roughness value ra≤0.001μm is in the processing stage. The main processing methods are: precision cutting, fine mirror grinding, precision grinding and polishing.

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