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Processing method of the ratchet of the reduction mechanism

A processing method and a technology of a deceleration mechanism, applied in the direction of gear teeth, mechanical equipment, components with teeth, etc., can solve the problems of not meeting mass production requirements and low efficiency, so as to eliminate the phenomenon of tooth loss, improve processing efficiency and efficiency Enhanced effect

Active Publication Date: 2022-03-15
东风汽车零部件集团有限公司刃量具分公司
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  • Application Information

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Problems solved by technology

Wire cutting was used in trial production, but the efficiency was too low to meet mass production requirements

Method used

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  • Processing method of the ratchet of the reduction mechanism
  • Processing method of the ratchet of the reduction mechanism
  • Processing method of the ratchet of the reduction mechanism

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Experimental program
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Embodiment Construction

[0030] pass below image 3 As well as listing some optional embodiments of the present invention, the technical solutions (including preferred technical solutions) of the present invention are further described in detail. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0031] to process figure 1 The parts shown are used as examples to illustrate the process of the present invention.

[0032] S1, get ratchet structure parameters: major diameter D a =165.35, trail D i =164.33, addendum thickness S a =0.200, dedendum width S i =0.200, number of teeth Z=110;

[0033] S2, calculate hob tooth profile parameters: such as image 3 as shown,

[0034] Pitch circle diameter D f =(D a +D i ) / 2=164.84,

[00...

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Abstract

The invention discloses a ratchet processing method of a reduction mechanism, which is characterized in that: after the ratchet parameters are converted into involute spline tool tooth shape parameters, a hob is designed and manufactured according to the converted tool tooth shape parameters and the ratchet is processed. The invention can complete the machining of the outer circular ratchet of the gear ring gear of the reducer at one time (see Figure 1), which eliminates the phenomenon of tooth loss and improves the machining efficiency; it is easy to ensure the small diameter and its coaxiality φ0.03 to the reference A Requirements; Create a new efficient solution for the batch processing of such products with micro-tooth structures. Compared with wire cutting, which takes several hours, the invention only takes 15 minutes, and the efficiency is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of machining, in particular to a method for machining ratchet teeth of a reduction mechanism. Background technique [0002] The major diameter of the ratchet teeth of the large ring gear of a certain reducer is trail for The diameter of the front case of the transfer case matched with it is That is to say, when press-fitting the large ring gear of the reducer, it is guided by the front cylinder, and the ratchets must be fully embedded in the front housing (aluminum alloy material), so that it is safely and organically connected with the front housing. The ratchet mainly plays the role of transmission and anti-rotation. In order to ensure that the ratchet fits well with the housing and improve its performance and life, there are precise requirements for the tooth shape of the ratchet. It is composed of circular arc (machining not required) and a small transition curve of the tooth root. [0003] Such ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23F5/20
CPCB23F5/20
Inventor 周永平张瑾马群飞唐善洲王继承
Owner 东风汽车零部件集团有限公司刃量具分公司