Device for calibrating relationship between current of electric machine of numerically controlled machine and cutting load

A technology of motor current and relationship, which is applied in the direction of metal processing machinery parts, metal processing equipment, measuring/indicating equipment, etc., can solve the problems of poor flexibility and adaptability, large consumption of manpower and material resources, and achieve compact device structure, fast response, high precision effect

Inactive Publication Date: 2009-05-20
HUAZHONG UNIV OF SCI & TECH +1
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This method of calibrating the relationship between machine tool motor current and cutting ...

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  • Device for calibrating relationship between current of electric machine of numerically controlled machine and cutting load
  • Device for calibrating relationship between current of electric machine of numerically controlled machine and cutting load
  • Device for calibrating relationship between current of electric machine of numerically controlled machine and cutting load

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Embodiment Construction

[0025] The present invention is a numerical control machine tool motor current and cutting load relationship calibration device based on the magnetorheological principle, which is used for the calibration of the machine tool feed motor current-cutting resistance relationship and the spindle motor current-cutting torque relationship. Explain in detail.

[0026] like figure 1 , 2, 3, 4, the machine tool motor current-cutting load relationship calibration device proposed by the present invention includes a magnetorheological rotary damper 3, a bracket box cover 6, a bracket box 7, a damper controller 10, and a calibration processor. 11. Data acquisition card 12, Hall current sensor 13 and calibration components. The magnetorheological rotary damper 3 is fixed on the support box cover 6 by screws, the support box cover 6 is fixed on the support box body 7 by screws, and the calibration component is connected with the protruding shaft end of the damper 3 . The damper controller 1...

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Abstract

The invention discloses a device for calibrating a numerical control machine tool motor current-cutting load relation, which comprises a magnetorheological rotation damper, a controller of the magnetorheological rotation damper, a data acquisition card, a calibration processor, a Hall transducer, a coupling, a simulated cutting tool, a slide block, a rack and a support, wherein the magnetorheological rotation damper is connected with a main shaft of the machine tool through a gear, the rack, the simulated cutting tool or the coupling; and primary motion or feed motion of the machine tool is transformed into rotation of a shaft of the magnetorheological rotation damper. The magnitude of simulated cutting load can be obtained according to different control parameters so as to detect current data and feed the current data to the calibration processor for recording and processing, thereby realizing the calibration of the relation between the machine motor current and the cutting load. The device can be widely applied to calibration on the numerical control machine tool under the condition of a production workshop, and has the advantages of extremely quick response velocity, high precision, strong environmental adaptability, small noise and no pollution.

Description

technical field [0001] The invention relates to a numerical control machine tool calibration measurement technology, in particular to a numerical control machine tool motor current and cutting load relationship calibration device based on a magnetorheological damper. In the case of load, when it is used to calibrate the relationship between the motor current and cutting load of CNC machine tools, it is a calibration measurement tool for the development of CNC equipment. Background technique [0002] The important feature of CNC equipment is the high speed and high precision of processing. Machining speed and precision are the most important performance indicators of CNC equipment, and the pursuit of high speed and high precision has always been one of the driving forces for the development of CNC technology. [0003] At present, the production volume of CNC machine tools and other CNC equipment around the world is increasing day by day. The early CNC equipment and some of ...

Claims

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Application Information

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IPC IPC(8): B23Q17/09
Inventor 李斌蒋克强刘红奇孙伟唐小琦陈吉红毛新勇
Owner HUAZHONG UNIV OF SCI & TECH
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