Multilayer-multiball magnetic positioning type tooth pitch sample plate and magnetic force design method thereof

A magnetic positioning and tooth pitch technology, applied in the field of standard devices, can solve the problem of not being able to assemble into different forms of tooth pitch templates, and achieve the effects of simplifying the structure, improving the precision, and reducing the processing and manufacturing cost.

Active Publication Date: 2019-02-22
CHONGQING ACAD OF METROLOGY & QUALITY INST
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  • Abstract
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  • Claims
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Problems solved by technology

[0006] Aiming at the above-mentioned deficiencies in the prior art, the present invention provides a multi-layer-multi-ball magnetic positioning tooth pitch template to solve the problem that the high-pre

Method used

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  • Multilayer-multiball magnetic positioning type tooth pitch sample plate and magnetic force design method thereof
  • Multilayer-multiball magnetic positioning type tooth pitch sample plate and magnetic force design method thereof
  • Multilayer-multiball magnetic positioning type tooth pitch sample plate and magnetic force design method thereof

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Example Embodiment

[0048] The technical solution of the present invention will be further described below in conjunction with the drawings and specific embodiments.

[0049] Such as figure 2 As shown, a multi-layer-multi-ball magnetic positioning tooth pitch template includes a base 1 whose upper surface is a base plane 11. The base plane 11 is provided with a recess for placing and positioning a centering cylinder / ball / cone 3 Groove; on the base plane, there are at least two layers of positioning holes distributed in an annular shape around the center of the centering cylinder / ball / cone 3 from the inside to the outside; the centers of the positioning holes on each layer of positioning holes are located in the base plane for centering The horizontal projection of the center point of the cylinder / sphere / cone is centered on a circular curve with the radius of the index circle of the virtual gear as the radius; the number of positioning holes in each layer is consistent with the number of teeth of the...

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Abstract

The invention relates to a multilayer-multiball magnetic positioning type tooth pitch sample plate which comprises a base with an upper surface as a base plane. At least two layers of positioning holes are sequentially and annularly distributed around the center of a centering cylinder/circular ball/cone on the base plane at intervals from inside to outside; the center of each positioning hole oneach layer of positioning holes is located on a circular curve by adopting a horizontal projection of the center of the centering cylinder/circular ball/cone as a center and the radius of a divided circle of a virtual gear as a radius in the base plane; the hole number of each layer of positioning holes is equal to the tooth number of the corresponding virtual gear; chamfers alpha for placing detecting balls are arranged at the opening ends of the positioning holes; the detecting balls and the centering cylinder/circular ball/cone are made of iron-containing materials; and magnetic positioningdevices for attracting and fixing the detecting balls onto the base are arranged in the base. The invention further provides a magnetic force design method applied to the multilayer-multiball magnetic positioning type tooth pitch sample plate. According to the multilayer-multiball magnetic positioning type tooth pitch sample plate and the magnetic force design method thereof provided by the invention, tooth pitch sample plates with different forms can be assembled according to the measurement demand, and relevant parameters meeting the magnetic force demand can be quantitively designed.

Description

technical field [0001] The invention relates to the technical field of standard instruments, in particular to a tooth pitch template used for transmission of tooth pitch values. Background technique [0002] High-precision gears play a key role in advanced manufacturing fields such as aerospace, high-speed rail, automobiles, aircraft, and ships, and are important basic components for precise transmission. The quality of gear manufacturing depends on the testing level of gears, and the testing level of gears requires standard gear templates for evaluation. The latest international gear precision standard ISO1328-1:2013 emphasizes that pitch deviation is one of the items that must be inspected in high-precision gear testing. hotspot. According to my country's current standard gear verification regulations "JJG1008-2006", the transmission of gear pitch values ​​in my country is mainly realized through ultra-precision standard gears. Due to the complexity of the tooth shape o...

Claims

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Application Information

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IPC IPC(8): B23F23/00
Inventor 周森颜宇徐健陶磊冯杰
Owner CHONGQING ACAD OF METROLOGY & QUALITY INST
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