发明名称 |
EINRICHTUNG ZUM ERFASSEN UND STEUERN DER DREHZAHL EINER PNEUMATISCH ANGETRIEBENEN SPINDEL |
摘要 |
A rotating speed control system for a pneumatically driven spindle used in a machine tool, comprises a spindle possessing a male-threaded part, a turbine mounted on the spindle by a nut with a convexo-concave portion being formed in one face thereof, a casing for accommodating the spindle and the turbine, an air supply line connected to the casing so as to supply air to drive the turbine, a valve disposed in the air supply line so as to adjust the flow rate of the air to be supplied to the turbine, a sensor facing the convexo-concave portion of the nut so as to detect the rotating speed of the turbine, and a control circuit for comparing a sensor detected rotating speed with a predetermined rotating speed and for adjusting the valve in accordance with the difference between two rotating speeds, so as to reduce the difference. |
申请公布号 |
DE3911383(A1) |
申请公布日期 |
1989.10.26 |
申请号 |
DE19893911383 |
申请日期 |
1989.04.07 |
申请人 |
ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO., LTD., TOKIO/TOKYO, JP |
发明人 |
YAMADA, AKIO;HAYASHI, FUMIO, TOKIO/TOKYO, JP |
分类号 |
B23Q17/10;G01P3/488;G01P3/56 |
主分类号 |
B23Q17/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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