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スピンドル装置
申请公布号：JP5614555(B2)
申请号：JP20120265927
申请日期：2012.12.05
申请公布日期：2014.10.29
分类号：F16C32/06;B23B19/02;B24B41/04
主分类号：F16C32/06
摘要：<p>The utility model provides a main shaft device. The main shaft device enables the rigidity of a hydrostatic bearing to be improved, and comprises a shell (2); a motor (4) arranged at the side reverse with a load side of the shell (2); a main shaft which possesses a disc (10) and is driven by the rotation of the motor (4); a first supporting part (15) which is arranged at the load side of the main shaft (3), supports the main shaft (3) in a non-contact manner, and comprises a first radial supply port (21) and a second radial supply port (22) for supplying the compressed air to the main shaft (3) from a radial direction, and a first thrust supply port (23) for supplying the compressed air to the disc (10) from the side reverse with the load side and along a thrust direction.</p>