A Study on the Active Balancing Device for Spindle System of Machine Tools

A high-speed spindle can be very sensitive to rotating mass unbalance which has harmful effect on many machine tools. Therefore, the balancing procedure to reduce vibration in rotating system is certainly needed for all high-speed spindles. So, balancing procedure was performed with a spindle-bearing system for CNC automatic lathe by using numerical procedure. The spindle is supported by the angular contact ball bearings and the motor rotor is fixed at the middle of spindle. The spindle-bearing system has been investigated using combined methodologies of finite elements and transfer matrices. The balancing was performed through influence coefficient method and the comparison was made by whirl responses between before balancing and after balancing. As a result, balancing of simple spindle model reduced whirl orbit magnitude in case of a completely assembled spindle model.

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A Study on the Active Balancing Device for Spindle System of Machine Tools

Cited by 2 publications

References 6 publications

Improving Dimensional Accuracy of Micropatterns by Compensating Dynamic Balance of a Roll Mold

Improving Dimensional Accuracy of Micropatterns by Compensating Dynamic Balance of a Roll Mold

A Study on Balancing of High-speed Spindle of CNC Automatic Lathe

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