Electric spindle structure suitable for longhole inner circle processing
An electric spindle and deep hole technology, applied in the field of machining equipment, can solve the problems of the spindle being difficult to meet the requirements of sufficient accuracy, the difficulty of replacing the intermediate position bearing, and the reduction of the service life of the spindle bearing, so as to improve the cutting quality and reduce the alternating stress. , Improve the effect of machining accuracy
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[0017] see figure 1 , figure 2 , the present invention relates to an electric spindle structure suitable for deep hole inner circle machining, including a motor casing 13, a motor rotor 9, a motor stator 8, a motor spindle 7, and a motor front bearing 6 and a motor front for supporting the motor spindle 7. Bearing housing 12, motor rear bearing 10 and motor rear bearing housing 11, grinding wheel shaft housing 3, grinding wheel shaft 2, grinding wheel front bearing 1 supporting grinding wheel shaft 2, grinding wheel rear bearing 4, coupling shaft connecting grinding wheel shaft 2 and motor main shaft 7 device 5.
[0018] Motor stator 8 is housed in motor shell 13, and motor main shaft 7 is housed on the inner axis position of motor shell 3, and motor rotor 9 is housed in the middle part of motor main shaft 7, and motor main shaft 7 passes motor front bearing 6 and motor rear bearing that are installed at its two ends. 10 supports, the motor front bearing 6 is installed in ...
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