Device for detecting comprehensive performance of high-speed precision ball screw pair
A technology of ball screw pair and comprehensive performance, which is applied in the field of high-speed precision transmission pair comprehensive performance detection device, can solve the problems of lack of ball screw pair, etc., and achieve the effect of fast response speed, stable performance and simple device structure
Inactive Publication Date: 2011-09-07
大连高金数控集团有限公司 +1
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is to solve the current situation of lack of a complete performance detection device for ball screw pairs, to overcome the deficiencies in the prior art, and to invent a comprehensive performance detection device for high-speed precision ball screw pairs. The eddy current sensor is used as the sensing element to detect the temperature of the high-speed precision ball screw auxiliary screw and the nut during high-speed operation; the eddy current sensor is used as the sensing element to detect the deformation of the ball screw pair during high-speed operation; The grating ruler is the sensing element. When the ball screw pair is running at high speed, the signal is differentiated once and twice to obtain the linear motion speed and acceleration of the workb
Method used
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[0011] The ball screw pair to be tested adopts the installation mode of left fixing and right floating. The fixed support I at the left end is directly connected with the servo motor 1 through the coupling 2, and the fixed support I is installed in the left shaft sleeve 27 through the tensioning sleeve 33 at the fixed end. Then the fixed end deep groove ball bearing 34 is installed on the left end bearing seat 25, the right end of the fixed end deep groove ball bearing is stuck on the left end bearing seat 25, the left end is locked by the fixed end lock nut 26 through the fixed end spacer 28, and fixed The end small gland 32 fixes the fixed end tensioner 34 in the left shaft sleeve 27 through the fixed end end cap socket head cap screw 31, and the fixed end small gland 32 fixes the left shaft sleeve 27 in the left end bearing seat 25 through screws; The right end floating support II of the ball screw pair is installed in the right shaft sleeve 36 through the floating end tensi...
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The invention provides a device for detecting the comprehensive performance of a high-speed precision ball screw pair, belongs to the technical field of detection of ball screw pairs, and relates to a device for detecting the comprehensive performance of an oiled and cooled high-speed precision hollow ball screw pair. The device is provided with a lathe bed of which an inner cavity has a U-shape groove structure; a power component is installed in the U-shape groove at the left end of the lathe bed; an angle encoder is arranged in a servo motor of the power component; an output shaft of the servo motor is connected with a torque sensor through a coupler; the coupler is installed between the torque sensor and the detected ball screw pair; the torque sensor is installed in the inner cavity of the lathe bed through a torque sensor support; an eddy current sensor is installed on a bracket of the eddy current sensor and the inner cavity of the lathe bed through a magnetic seat. The device can detect the comprehensive performance of different types of ball screw pairs, can be used for detecting multiple items, is particularly convenient to detect a hollow screw, is convenient to detect, install and adjust, wide in detection range and simple in structure and is provided with an electric pump.
Description
technical field [0001] The invention belongs to the field of comprehensive performance detection devices for high-speed precision transmission pairs, in particular to a detection device for comprehensive performance detection of high-speed precision hollow ball screw pairs after cooling through oil. Background technique [0002] In recent years, with the continuous improvement of the overall technical level of the equipment manufacturing industry, the performance requirements for ball screw pairs, the key components in CNC machine tools, precision instruments and various precision mechanical equipment, are also getting higher and higher. Its high speed and precision are common concerns at home and abroad. At the same time, its performance indicators such as positioning accuracy will be affected to varying degrees. These performance parameters are directly related to the quality of the screw pair. Due to the limited import of foreign high-precision technology products and the...
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Inventor 王向东王福吉张雪郑兴民张广明
Owner 大连高金数控集团有限公司
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