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How to check the common error of automatic nc lathe

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How to check the common error of automatic nc lathe

Date of release:2018-07-06 Author:宇洋小编 Click:

The feeding system of automatic CNC lathes is also developing rapidly. For example, some materials on vibration plates and lifting machines are updated quickly. How does the feeding machine work?


Some of the automatic CNC lathes in yuyang, such as bearing ring lathes and automatic CNC lathes, are equipped with their own feeding systems. The updating speed of the feeding machine is also getting faster, and the development of bearing ring production line is also more advanced.


The adjustment and adjustment of electromagnetic vibration feeding machine is mainly the adjustment of the gap between the electromagnet iron core and the adjustment and adjustment of the double particle connected with the spring board. The size of the air gap between the core of the electromagnet and the armature in the feed machine will directly influence the normal operation of the feed machine. If the adjustment is improper, the current will be increased, the amplitude will be reduced and the normal operation cannot be carried out. Therefore, frequent inspection and adjustment of air gap is an important condition to ensure operation. 2. There are two main factors to adjust the amplitude of the material trough when the double particle is connected to the spring plate group: one is the size and frequency of the electromechanical magnetic excitation force of the feeding machine, and the other is the self-vibration frequency of the feeding machine itself. According to the resonance principle of mechanical vibration, the maximum amplitude of the feed trough is only when the self-vibration frequency of the feeder resonates with that of the electromagnet.

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Some automatic CNC lathes, such as bearing ring lathes and automatic CNC lathes, all have their own feeding systems. The update speed of feeding machines is also getting faster, and the development of bearing ring production line is also more advanced.


Test error of testing system

Including the following aspects:

(1) the error of measurement sensor feedback system itself caused by manufacturing error of measurement sensor and installation error on machine tool;

(2) the measurement sensor is caused by the machine tool parts and mechanism errors and the deformation in use.


External interference error

Random errors due to changes in the environment and operating conditions.


Other error

Errors such as programming and manipulation errors.

The above error can be classified into two categories according to the characteristics and nature of error: system error and random error.


The system error of automatic nc lathe is the inherent error of machine tool and has repeatability. The geometrical error of automatic nc lathe is its main component, also has repeatability. With this feature, it can be measured "off-line", and can be corrected and compensated by "off-line detection -- open-loop compensation", so as to reduce it and achieve the purpose of machine tool precision enhancement.


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Key word:精密数控车床,自动数控车床,全自动数控车床

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