A control device, system, method and device for automatically adjusting the pretightening force of a spindle shaft system
An automatic adjustment and pre-tightening technology, applied in manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problem of inability to automatically adjust the pre-tightening force of the spindle shaft system
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[0033] Below, the present invention will be further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of not conflicting, the various embodiments described below or the technical features can be combined arbitrarily to form new embodiments. .
[0034] like figure 1 and 2 As shown, in order to solve the above defects, the present invention provides a control device for automatically adjusting the pretightening force of the main shaft bearing, which includes the shaft core 8 installed on the lathe assembly 1, the body 7 and the main shaft bearing. Wherein, the bearing is sleeved on the outside of the shaft core 8, and the body 7 is sleeved on the outside of the bearing. The bearing generally includes a bearing outer ring 10 and a bearing inner ring 9, since the bearing outer ring 10 is floating relative to the bearing inner ring 9 without preload. Generally speaking, the purpose of changing ...
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