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Ceramic parts processing accuracy of the cause of influence!
Time: 2021-03-03   Writer: mingrui

Ceramic parts processing accuracy of the cause of influence!

 

 

In the field of machining industry, what are the reasons for the influence of machining accuracy of ceramic parts?Here are some reasons why:

                                         

1, the first is the position of the impact of the error: usually refers to the actual surface of the processed ceramic parts, axis or symmetry with respect to its ideal position of the mutual position change or deviation degree, such as verticality, position, symmetry, etc.

 

2, machine error: machine error itself usually refers to the dead Angle error.The main reasons for the position error are the processing error caused by the clearance and elastic deformation of the transmission during the processing of the ceramic parts of the machine tool, and the position error caused by the friction force of the tool head during the processing of the ceramic parts.In the open loop system, the position accuracy is greatly affected, while in the closed loop servo system, the position accuracy mainly depends on the displacement detection.

3, geometric error: ceramic parts processing geometric error caused by the processing accuracy error.In the process of ceramic parts processing, due to the influence of external forces, heat generated in the processing and other external factors, the geometric accuracy of the machine tool is affected, the geometric deformation of ceramic parts processed on the machine tool will lead to geometric errors.According to research, there are two main reasons for geometric errors of CNC machine tools: internal factors and external factors.The internal factors that cause the geometric errors of machine tools refer to the geometric errors caused by the factors of machine tools themselves, such as the levelness of machine tool worktable, the levelness and straightness of machine tool guide rail, the geometric accuracy of machine tools and fixtures, etc.The external factors mainly refer to the geometric errors caused by the external environment and thermal deformation during the processing of ceramic parts.For example, geometric errors caused by thermal expansion and deformation of tools or parts during cutting can affect the machining accuracy of machine tools and parts.

 

4, cumulative error: from the ceramic parts processing long-term data analysis and practical operation can be seen from the ceramic parts processing machine positioning caused by the processing accuracy error.Machine positioning has a great influence on the machining accuracy of CNC machine tools.From the perspective of structure, the machining error of CNC machine tool is mainly caused by the positioning accuracy, and the feeding system of machine tool is the main link that affects the positioning accuracy.The feed system of CNC machine tool is usually composed of mechanical transmission system and electrical control system.In the structural design, the positioning accuracy is related to the mechanical transmission system.In a closed-loop system, CNC machines can often be positioned to prevent deviation of key parts of the feed system (such as ball screws and other components) by means of a positioning detection device.However, for the open-loop system, due to many factors and complex conditions, positioning monitoring can not be carried out, so the machining accuracy of CNC machine tool is greatly affected.


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