A Reliability Test Device for CNC Grinding Machine Headstock
A test device and reliability technology, which is applied in the direction of measuring devices, machine/structural component testing, instruments, etc., can solve the lack of test devices, the lack of basic data on the reliability of CNC grinding machine headstocks, and few reliable companies producing headstocks Sexuality test and other issues, to achieve the effect of good application prospects
Active Publication Date: 2016-04-06
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 accompanying drawings.
[0023] like Figure 1-4 As shown, a reliability test device of a CNC grinding machine headstock, the test device includes a mechanical structure system and an electrical control system; the test method includes data acquisition and processing methods, servo motor drive top rotation speed and running time control methods.
[0024] The mechanical structure system of the test device includes a base 1, a head frame 2, a top 4, a specimen 5, a gear a7, a set screw a8, a tail tip 9, a tail frame 10, a slider a11, a guide rail a12, a guide rail b13, and a rotating shaft 14 , bearing cover 15, bearing 16, slider b17, gear b18, set screw b19, coupling 20; A test piece 5 is installed in the middle of 9, and a gear a7 is installed on the end of the test piece 5 in contact with the tail tip 9, and the gear a7 is fixed on the test piece 5 through the set screw a8; the tailstock 10...
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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 for evaluating the reliability of a CNC grinding machine headstock, which belongs to the fields of precision manufacturing technology and industrial automation control. Background technique [0002] CNC grinding machines are widely used in the machining and manufacturing industry. The CNC program is used to control the servo motor to drive the grinding wheel to grind shafts and planes. When grinding the camshaft and crankshaft, the grinding machine headstock also needs to drive the camshaft or crankshaft to keep the feed of the grinding wheel. linkage. CNC grinding machines are usually the last process of precision parts processing, so the performance and reliability of CNC grinding machines have an important impact on the precision and efficiency of parts processing. [0003] Machine tools such as CNC shaft grinding machine tools, CNC camshaft grinders and CNC crankshaft grinders all include a headstock. The mai...
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