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CNC Vertical Machine Center Processing Accuracy Error And Countermeasures Four

Nov 08, 2019

cnc vertical machine center

The machining accuracy of CNC vertical machine center is mainly as follows: the surface roughness of the inner hole is high, the inner hole of the hinge is not round, the position of the hinged hole is out of precision, and the inner surface of the hole has obvious facet and reaming. The center line of the rear hole is not straight, the aperture is enlarged, the aperture is reduced, and the like.

 

The following ALLES CNC takes you to understand the reasons for the machining accuracy of the CNC vertical machine center and the countermeasures four - the inner hole of the hinge is not round.

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The hinged inner hole is not round

 

Causes: The machining inner hole is not round, and the roundness is not enough due to the following factors: the reamer is too long, the rigidity is insufficient, the vibration occurs during reaming, the main angle of the reamer is too small, and the reaming allowance is biased. Small, the surface of the inner hole has notches, intersecting holes, especially the surface of the hole has blisters, pores, and possibly the looseness of the spindle of the machine tool.

Solution: It can be started from the following aspects: the installation of the reamer should be rigid connection, the qualified reamer should be selected, the hole position tolerance of the pre-processing process should be controlled, the unequal pitch reamer should be used, the qualified blank should be selected, and the machine tool spindle should be timely. Adjust the gap, etc.


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