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High-precision radial adjustable involute master of gear and adjusting method

An involute and adjustable technology, applied in the direction of measuring devices, instruments, etc., can solve difficult problems and achieve the effect of simple structure, high precision, good promotion value and market application prospect

Active Publication Date: 2015-05-27
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For a gear involute model with a precision level above 1, it is difficult to make the tooth profile inclination deviation of multiple tooth surfaces meet the requirement of not exceeding 0.1 μm at the same time

Method used

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  • High-precision radial adjustable involute master of gear and adjusting method
  • High-precision radial adjustable involute master of gear and adjusting method
  • High-precision radial adjustable involute master of gear and adjusting method

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Embodiment Construction

[0018] The rough machining and semi-finishing machining of the high-precision radially adjustable involute sample plate provided by the present invention is carried out on a Y7125 or Y7431 large plane grinding wheel gear grinding machine. Disconnect the indexing system of the machine tool during grinding, and use the unrefined involute cam (surface error 2-3μm) to carry out precision grinding on the four tooth surfaces of the radially adjustable involute template. The tooth profile shape deviation of the involute sample after grinding can reach 2-3 μm, which meets the detection requirements of the instrument for frequency response characteristics, filtering effect and sensitivity. One of the tooth surfaces (such as the right tooth surface of the second tooth) is reserved, and the remaining three tooth surfaces are precisely machined on the double-roller-double-rail involute cam grinding device provided by the open patent [CN102941519A]. Tooth profile shape deviation of finishe...

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Abstract

The invention discloses a high-precision radial adjustable involute master of gear and an adjusting method. One tooth face of four tooth faces is selected to be not precisely ground, has higher tooth profile shape deviation and is used for detecting a frequency response characteristic, a filtering effect and sensitivity of an instrument; another three tooth faces are precisely processed and have smaller tooth profile shape deviation, one precisely processed surface has certain tooth profile slope deviation and is used for detecting an amplification factor of the instrument, and other two tooth faces on opposite sides have tooth profile slope deviation which is approximate to zero and are used for representing the precision grade of the involute master of gear, transmitting involute parameter values and determining and correcting an indication error of an involute measurement instrument. The high-precision radial adjustable involute master of gear is simple in structure, convenient to adjust, high in connecting rigidity and reliable in connection with a master core shaft and high in precision, has a stable size, and can simultaneously meet demands for frequency response characteristic, filtering effect, sensitivity, amplification factor detection and instrument indication error correction of the involute measuring instrument.

Description

technical field [0001] The invention belongs to the technical field of precision machinery manufacturing and testing, and relates to a high-precision radially adjustable gear involute model and an adjustment method. Background technique [0002] As the standard measuring instrument of involute measuring instruments, the gear involute model is mainly used for the transmission of involute parameter values, determining and correcting the indication error of involute measuring instruments, etc. The utility model patent [ZL201020678898] discloses a circular arc non-involute tooth profile template and [ZL201120083865] discloses a double-ball non-involute tooth profile template, using arcs on high-precision spheres instead of involute pair gears Measurement center for precision calibration. Invention patent [ZL201210051093] discloses an involute gear waviness model to realize the evaluation of the filter algorithm of the gear measuring instrument. Invention patent [CN201310057364...

Claims

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Application Information

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IPC IPC(8): G01B21/20
CPCG01B21/20
Inventor 凌四营王立鼎娄志峰李克洪王雪飞
Owner DALIAN UNIV OF TECH
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