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What are the reasons that affect the machining accuracy of machine tools?

  • Categories:Industry News
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  • Time of issue:2022-05-11
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(Summary description)In the actual machining process of the machine tool, the accuracy of the machine tool will be affected more or less with the use of the equipment. These influences have internal factors and external reasons. In the machining of the machine tool, the tool is more or less the workpiece The forming movement is usually realized by the machine tool, so the machining accuracy of the workpiece will largely depend on the accuracy of the machine tool. Errors in the production and processing of machine tools have a great influence on the machining accuracy of workpieces, usually due to the following reasons: for example, errors in spindle rotation, errors in guide rails or transmission chains, etc. If the machine tool is worn to a certain extent, its accuracy will be further reduced.

What are the reasons that affect the machining accuracy of machine tools?

(Summary description)In the actual machining process of the machine tool, the accuracy of the machine tool will be affected more or less with the use of the equipment. These influences have internal factors and external reasons. In the machining of the machine tool, the tool is more or less the workpiece The forming movement is usually realized by the machine tool, so the machining accuracy of the workpiece will largely depend on the accuracy of the machine tool. Errors in the production and processing of machine tools have a great influence on the machining accuracy of workpieces, usually due to the following reasons: for example, errors in spindle rotation, errors in guide rails or transmission chains, etc. If the machine tool is worn to a certain extent, its accuracy will be further reduced.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2022-05-11
  • Views:0
In the actual machining process of the machine tool, the accuracy of the machine tool will be affected more or less with the use of the equipment. These influences have internal factors and external reasons. In the machining of the machine tool, the tool is more or less the workpiece The forming movement is usually realized by the machine tool, so the machining accuracy of the workpiece will largely depend on the accuracy of the machine tool. Errors in the production and processing of machine tools have a great influence on the machining accuracy of workpieces, usually due to the following reasons: for example, errors in spindle rotation, errors in guide rails or transmission chains, etc. If the machine tool is worn to a certain extent, its accuracy will be further reduced. 
 
First of all, let’s talk about a common cause that affects the accuracy, the spindle rotation error. The so-called spindle rotation error mainly refers to the variation of the actual rotation axis of the spindle at each moment compared to its average rotation axis, which can be interpreted as radial There are three basic forms of circular runout, axial play and angle swing. For those who are engaged in machine tool processing, it is clear that the spindle of the machine tool is the benchmark for clamping the workpiece or tool, and transmits motion and power to the tool or workpiece, so the spindle rotation error will directly affect the accuracy of the workpiece to be processed. The main reasons for the radial rotation error of the main shaft are as follows, such as errors in the coaxiality of several journals of the main shaft, errors in the coaxiality between the bearings, various errors of the bearings themselves, and the winding of the main shaft. However, their influence on the radial rotation accuracy of the spindle varies with the difference in processing methods.
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Next: Inspection before use of CNC lathe
Previous: How to choose the right machine tool?
Next: Inspection before use of CNC lathe

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