The relationship between machining precision and process of precision mechanical parts

The relationship between machining precision and process of precision mechanical parts

In the process of precision machinery parts, the accuracy of parts has a great relationship with the process. What are the specific effects?

In this article, we mainly discuss the influence of numerical control programming and geometric precision, precision hardware processing can not be separated from the numerical control machine tool, operators need to apply numerical control programming to achieve the control of the machine tool, so numerical control programming is particularly important, the precision of parts processing is also very big.

Is mainly reflected in the following aspects.

First of all, numerical control programming should determine the origin of programming, the origin of the choice is appropriate, affect the precision of precision hardware processing, it can avoid the processing error caused by size conversion.

Secondly, operators need to do a good job of data processing in the programming system, which reasonable degree affects the accuracy of precision parts contour trajectory.

In addition, in this link to do a good job of programming node calculation, and then choose the correct processing route.

Finally, the operator should choose the appropriate insertion method, and then reduce to a certain number, the machine tool will appear dislocation and movement phenomenon, and then affect the precision of precision hardware processing.

In the process of parts processing, part of the work is done manually by the operator, such as cutting and grinding.

This piece will inevitably have a certain degree of deviation, resulting in the precision mechanical parts processing of geometric accuracy error.

The accuracy of the tool will affect the accuracy of the parts, when the tool is cutting, the knife surface and the blade will produce friction with the parts, over time, the tool will appear a certain degree of wear.

When the wear area is large, the friction value between the tool and the parts will increase, and the vibration amplitude of the tool in the cutting work will increase, resulting in the change of the cutting shape of the precision hardware machining parts.

In order to solve this problem, technicians need to improve the wear resistance and installation accuracy of the tool.

In the daily use process, increase the maintenance and maintenance of the tool, in which the application of compensation device to compensate for the wear parts.

In addition, the machine tool in the process of precision mechanical parts processing in the state of continuous operation, the spindle in the long-term operation will appear rotation error, in the spindle deviation from the standard axis, the relative position of the parts processing will change, and then affect the smoothness of the surface of the parts, resulting in the accuracy of the parts error.

In order to solve the above problems, the operator should strictly implement the spindle installation work of the machine tool, and timely maintain the spindle in the daily processing, and regularly adjust its running position.

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