Beijing vertical lathe manufacturer - where to buy double column vertical lathe c5250 in Beijing

Beijing vertical lathe manufacturer Beijing where to buy double column vertical lathe
Double column type
In practical applications, the vertical lathe bearing row rollers mainly bear the overturning moment, and the row rollers mainly bear the axial load . When the outer ring of the bearing is loaded, the row rollers and the bearing ring tend to separate, that is, the axial clearance increases, and the row rollers are compressed, that is, the axial clearance decreases. If the axial preload of the bearing is insufficient, after bearing the load, the row rollers not only lose the preload, but also have clearance between them and the raceway, and the system rigidity decreases rapidly. Then when the cutting force generates an overturning moment, the radial deformation of the workpiece will occur. will be greatly increased, and the resulting surface roughness is also very poor. If the axial preload is too large, since the row rollers have to bear the weight of the workpiece and the internal preload of the bearing at the same time, the contact stress between them and the raceway may exceed The allowable limit greatly reduces the service life of the bearing. Therefore, it is particularly important to fully consider the effects of temperature and load and reasonably set the axial preload of the bearing. (Haikuo vertical lathe, Xingtai City, Hebei Province)
Main data parameters of the double-column vertical lathe of Xingtai Haikuo Machinery Manufacturing Co., Ltd.
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Technical parameters
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Table diameter










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Tool holder maximum cutting force right tool holder













Left knife rest









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Maximum torsional moment of workbench













Workbench speed change levels

Levels







Stepless



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Near feed series

Level







Stepless



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Crosshead travel













Tool holder travel level
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Vertical













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In the cutting test of the vertical lathe, great attention is paid to the end face and cylindrical roughness of the workpiece, and One of the keys to determining its merits is the rigidity of the system. System rigidity includes the rigidity of the frame structure, the rigidity of the support bearings, etc. The rigidity of the bearings often depends on its axial preload. (Specialized CNC lathe for Haikoo Valve)