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A Self-installation Datum Equal Normal Gear Involute Model

An involute and common normal technology, applied in the field of common normal gear involute template, can solve the problem of not mastering the first-grade precision gear involute template, and achieve the effect of ensuring the convenience of use

Active Publication Date: 2019-10-11
金齿传动科技(大连)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, my country has not yet mastered the manufacturing technology of gear involute models with 1-level precision

Method used

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  • A Self-installation Datum Equal Normal Gear Involute Model
  • A Self-installation Datum Equal Normal Gear Involute Model

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Embodiment Construction

[0013] The self-installation datum equinormal gear involute model provided by the present invention has a structure including: left tooth surface 1, right tooth surface 2, datum hole 3, upper end face 4, lower end face 5, upper datum cylindrical face 6, lower datum cylinder Surface 8.

[0014] The involutes of the left and right tooth surfaces 1 and 2 have the same public normal 8 and a uniform base circle arc Any arc with the base circle The tangent normals are the common normals of the left and right tooth surfaces 1 and 2.

[0015] The design expansion angle of the gear involute template, that is, the arc of the base circle The central angle of the center angle should be greater than the expansion angle recommended in the national standard GB / T 6467-2010 for gear involute templates; and the measured tooth profile of the gear involute template should be given from the base circle. Since the involute close to the base circle is very sensitive to its expansion length, in...

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Abstract

The invention belongs to the field of precise gear testing technology, and discloses a self-mounting-reference equal-common-normal-line gear involute template. The self-mounting-reference equal-common-normal-line involute template comprises a left tooth surface, a right tooth surface, an upper reference cylindrical surface, a lower reference cylindrical surface, an upper end surface, a lower end surface and a reference hole. The gear involute template satisfies a basic requirement for a grade-1 precise gear involute template in a gear involute template national standard. Furthermore the involutes of the left special-shaped tooth surface and the right special-shaped tooth surface of the template have a common normal line and a unified expanded basic circle arc. The self-mounting-reference equal-common-normal-line gear involute template facilitates subsequent ultra-precise processing and testing of the gear involute template. Furthermore, the self-mounting-reference is used for processing and measuring and is furthermore used as a magnitude transmission reference in use of the gear involute template. The measurement results of the structure tooth profile shape deviation ffalpha and atoth profile inclination deviation offset fHalpha are not closely related with the processing error and the mounting deviation error of a measuring core shaft in a use process, thereby ensuring highconvenience in use and high dimension stability in magnitude transmission.

Description

technical field [0001] The invention belongs to the technical field of precision gear testing, and relates to a self-installation reference equal-normal gear involute sample plate used as a reference for transmission of gear involute values. Background technique [0002] As a standard measuring instrument for involute measuring instruments, the gear involute model is mainly used for the value transfer benchmark of the involute, to determine and correct the indication error of the gear involute measuring instrument, etc. The utility model patent [ZL201020678898] discloses a circular arc non-involute tooth profile template and [ZL201120083865] discloses a double-ball non-gear involute template, which uses arcs on high-precision spheres instead of involute pairs. Gear measuring center for precision calibration. Invention patent [ZL201210051093] discloses an involute gear waviness model, which realizes the evaluation of the filter algorithm of the gear measuring instrument. In...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M13/021
Inventor 凌四营汪训练陈义磊刘辉王立鼎王晓东
Owner 金齿传动科技(大连)有限公司
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