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Hobbing cutter front angle detector and usage method

A technology of detectors and hobs, applied in the direction of angle/taper measurement, etc., can solve the problems of multiple equipment, complex measurement process, and low measurement efficiency, and achieve the effects of intuitive high precision, easy operation, and high efficiency

Active Publication Date: 2015-08-26
CHONGQING JIANGJIN HEFENG MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a hob rake angle detector and a method of use to solve the problems that more equipment is needed to measure the rake angle of the hob with a deflection meter, the measurement process is relatively complicated, and the measurement efficiency is low

Method used

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  • Hobbing cutter front angle detector and usage method
  • Hobbing cutter front angle detector and usage method
  • Hobbing cutter front angle detector and usage method

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0045] Example 1 Negative rake angle α1=(L1÷R)×α1-α1=(48÷170)×4.17898°-4.17898°≈-2.999033°

example 2

[0046] Example 2 Negative rake angle α2=(L2÷R)×α2-α2=(38÷170)×3.86284°-3.86284°≈-2.999382°

[0047] It can be seen from the above two examples that the actual error value of the rake angle is very small through actual measurement and calculation.

[0048] In actual production, when the rake angle of the hob 9 is a negative rake angle, the cutting force is large, the surface roughness is poor, and the hob 9 is easily damaged, so the design and sharpening of the rake angle of the hob 9 must be equal to or greater than zero rake angle , if the hob 9 has a negative rake angle after measurement, it is not necessary to use a universal angle ruler to measure it, and it should be sent directly to the hob sharpening machine for repair.

[0049] The utility model has the advantages of simple structure, low cost, light weight, easy operation and only takes about 5 minutes each time, and the detection result is intuitive and has high precision.

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Abstract

The invention discloses a hobbing cutter front angle detector comprising a substrate, a support piece, an angle adjusting piece, a detection auxiliary piece, and a plurality of locking bolts; the substrate is provided with a platform and a reference plane having a first mounting hole; a side face of the support piece is provided with a second mounting hole and a connecting hole; the support piece is fixed on the reference plane through the locking bolt; an end face of the support piece is provided with a third mounting hole; the angle adjusting piece is provided with a slide slot, and fixed on the end face of the support piece through the locking bolt; the detection auxiliary piece is provided with a fourth mounting hole, and fixed on the substrate through the locking bolt; a detection face of the detection auxiliary piece is parallel to the reference plane. An angle between the auxiliary piece and the support piece is an angle between a front tool face of one tooth of the hobbing cutter and a hobbing cutter radial face, i.e., the front angle of the hobbing cutter; a universal bevel protractor can measure the front angle of the hobbing cutter, and no more measuring instrument is needed; the hobbing cutter front angle detector is simple in operation, and high in direct precision of a detection result.

Description

technical field [0001] The invention belongs to the technical field of metering equipment characterized by the use of mechanical methods. Background technique [0002] The hob is a tool for processing straight and helical cylindrical gears according to the principle of helical gear meshing. It is used to process cylindrical gears, worm gears and other cylindrical toothed workpieces according to the generation method. During processing, the hob is equivalent to a helical gear with a large helix angle, the number of teeth of which is the number of heads of the hob, and the workpiece is equivalent to another helical gear, which meshes with each other according to a pair of helical gears and rotates at a fixed speed ratio , the tooth profile of the gear is enveloped by the tooth profile of each adjacent position of the sequential cutting. The hob is provided with an inner hole, and the inner hole is for cooperating with the rotating shaft. [0003] The rake angle of the hob re...

Claims

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Application Information

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IPC IPC(8): G01B5/24
Inventor 朱桐清杨庆雄袁珍梅刘智强
Owner CHONGQING JIANGJIN HEFENG MACHINERY