Double-circular grating-based integral error measurement device and method of gear
A technology of overall error and measuring device, which is applied in the direction of measuring device, optical device, mechanical parts test, etc., can solve the problems that cannot truly reflect the measured gear, affect the accuracy of the overall error measuring instrument of the gear, and achieve the goal of improving the measurement accuracy Effect
Active Publication Date: 2019-11-29
HENAN UNIV OF SCI & TECH
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Problems solved by technology
Under the action of the dynamic error of the shaft system, the measured overall error curve cannot truly reflect the actual tooth profile information of the measured gear, thus affecting the accuracy of the gear overall error measuring instrument
Method used
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Embodiment Construction
[0035] Below in conjunction with accompanying drawing, present embodiment is described further:
[0036] In this embodiment, a device for measuring the overall error of gears based on double circular gratings is designed, and the method of using the device for measurement is described.
[0037] In this embodiment, the computer drives the servo motor to drive the measuring gear to realize the rolling scanning measurement of all the gear teeth of the tested gear, and the angular displacement signal generated by the measuring gear and the tested gear during the transmission process is converted into an electrical signal through a circular grating. The data is input into the computer through the data acquisition circuit, and the adverse effects of the shafting error on the measurement results are corrected by the circular grating readings. After analysis and calculation and data processing, the overall error and individual items of the gear under test can be obtained in accordance ...
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The invention belongs to the technical field of precision test technology and instrument and mechanical transmission, and particularly relates to a double-circular grating-based integral error measurement device and method of a gear. The measurement device comprises a mechanical part and an electrical control part, wherein the mechanical part can be used for achieving two types of linear motions and two types of rotation motion, the two types of linear motion are position adjustment motion of a measured gear along a vertical direction and position adjustment motion of a measurement gear alonga horizontal direction, the two types of rotation motion is rotation motion of a measurement gear shaft system and rotation motion of a measured gear shaft system, the measurement gear shaft system isa driving shaft system, and the measured gear shaft system is a driven shaft system. With the double-circular grating-based integral error measurement device, the measurement accuracy of an integralerror of the gear can be improved by compensation of a shaft system dynamic error under the condition that the accuracy of a machine shaft system is not improved, and high-efficiency, high-accuracy and comprehensive-information on-line rapid measurement of a cylindrical gear is achieved.
Description
technical field [0001] The invention relates to a gear overall error measuring device and method based on double circular gratings, and belongs to the technical fields of precision testing technology, instruments and mechanical transmission. Background technique [0002] Gears are the most widely used key basic components, and the quality of gears often directly determines the operating performance, service life, safety and reliability of equipment. The gear overall error measurement technology was pioneered by Chinese scientists and technicians in the early 1970s, which has played a huge role in promoting the technological progress of my country's gear industry. The gear overall error curve obtained by the gear overall error measuring instrument can vividly reflect the gear meshing transmission process, and accurately reveal the variation law of individual gear errors and the relationship between errors, which is especially suitable for the process error analysis and dynami...
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Login to View More IPC IPC(8): G01B11/00G01B11/24G01M13/021
CPCG01B11/002G01B11/2416G01M13/021
Inventor 王笑一王永军张利杰张书涛
Owner HENAN UNIV OF SCI & TECH