Device for testing reliability of numerical control grinder workhead
A test device and reliability technology, which is applied in the direction of measuring device, machine/structural component test, instrument, etc., can solve the lack of test device, the inability to grasp the reliability level of the CNC grinding machine headstock, and the basic data of the reliability of the CNC grinding machine headstock Less problems, to achieve the effect of good application prospects
Active Publication Date: 2014-04-30
内江金鸿曲轴有限公司
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Problems solved by technology
[0006] At present, the reliability test of the head frame is rarely carried out in the design of CNC grinding machines. First, there is a lack of test equipment, and the second is the lack of ideas for reliability design of parts. Moreover, companies that produce head frames seldom conduct reliability tests, resulting in There is very little basic data on the reliability of the frame, and designers cannot grasp the reliability level of the CNC grinding machine head frame
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[0022] The present invention will be further described below in conjunction with the drawings.
[0023] Such as Figure 1-4 As shown, a reliability test device for the headstock of a CNC grinding machine includes a mechanical structure system and an electrical control system; the test method includes data acquisition and processing methods, and a control method for the rotation speed and running time of the servo motor drive center.
[0024] The mechanical structure system of the test device includes the base 1, the head frame 2, the center 4, the test piece 5, the gear a7, the set screw a8, the tail tip 9, the tail frame 10, the slider a11, the guide rail a12, the guide rail b13, and the rotating shaft 14. , Bearing end cover 15, bearing 16, sliding block b17, gear b18, set screw b19, coupling 20; head frame 2 is installed on base 1, top 4 on head frame 2 and tail tip on tail frame 10 9 is mounted with test piece 5 in the middle, the end of test piece 5 in contact with tail tip 9...
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The invention relates to a device for testing reliability of a numerical control grinder workhead. The device can simulate a variety of different operating conditions of the numerical control grinder workhead, a servo motor drives the workhead to operate at different speeds at different time, failure data are recorded in the operation process, and the reliability level of the numerical control grinder workhead is calculated and evaluated through the data; the device for testing the reliability of the numerical control grinder workhead mainly aims at carrying out reliability testing on reliability of top-level clamping workpieces and hysteresis of rotating speeds of clamped workpieces; due to the fact that operating conditions of the workhead are unknown and random in practical work, in order to simulate the random operating conditions, the designed testing device can simulate the random operating conditions. The device is suitable for testing of the reliability of the numerical control grinder workhead, can be used for evaluating the reliability level of the workhead when reliability of a numerical control grinder is designed, and has good application prospects.
Description
Technical field [0001] The invention relates to a test device used to evaluate the reliability of the headstock of a numerical control grinder, belonging to the fields of precision manufacturing technology and industrial automation control. Background technique [0002] Numerical control grinders are widely used in the machining manufacturing industry. The CNC program is used to control the servo motor to drive the grinding wheel to grind shafts and planes. When grinding camshafts and crankshafts, the headstock of the grinder needs to drive the camshaft or crankshaft and the grinding wheel to maintain the feed Linkage. CNC grinders are usually the last process of precision parts processing, so the performance and reliability of CNC grinders have an important impact on the accuracy and efficiency of parts processing. [0003] CNC shaft grinding machines, CNC camshaft grinders and CNC crankshaft grinders all include a headstock. The main function of the headstock is to cooperate wit...
Claims
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IPC IPC(8): G01M99/00
Inventor 范晋伟刘勇军陈东菊王波穆东辉王泽立周中源
Owner 内江金鸿曲轴有限公司