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文中介绍该厂研制成功的M772电感式主动测量仪,经过六年多的使用实践证明,这种仪器具有精度高、稳定性好、刚性强、制造简便、价格低廉、便于使用和维护,已在内圆磨床、万向节轴承滚道和底面磨床、内外沟磨床和挡边磨床等十多种型号七十多台机床上推广使用。 仪器采用机械和差演算电路,采用一个传感器,电感量只需保持20毫亨。在传感器的测杆与工件被加工表面之间增加一传动杠杆,减少传感器上受到的振动。采取双壳密封,将传感器装入测量装置的壳体内,防止潮湿。测力可作无级调整,以适应不同振动程度的机床。表钩收缩采用机械式,比电磁式可靠。文内还对仪器的结构,使用情况进行了阐述。
The paper describes the successful development of the plant M772 inductive active measuring instrument, after more than six years of practice proved that this instrument has high precision, good stability, rigidity, easy manufacture, low cost, ease of use and maintenance, at Internal grinder, universal joint bearing raceway and bottom grinder, inside and outside the groove grinder and grinder and so on more than 10 kinds of models more than 70 machine tools to promote the use. The instrument uses a mechanical and differential circuit, using a sensor, the inductance only need to maintain 20 millihenries. In the sensor rod and the workpiece surface to be processed by adding a transmission lever to reduce the sensor on the vibration. Take a double-shell seal, the sensor into the measuring device shell, to prevent moisture. Force measurement can be adjusted steplessly to adapt to different degrees of vibration of the machine. Table hook contraction using mechanical, reliable than electromagnetic. The article also describes the structure of the instrument, the use of the situation described.