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Machining method for ratchets of speed reducing mechanism

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

Active Publication Date: 2021-01-19
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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  • Machining method for ratchets of speed reducing mechanism
  • Machining method for ratchets of speed reducing mechanism
  • Machining method for ratchets of speed reducing mechanism

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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 machining method for ratchets of a speed reducing mechanism. The machining method is characterized in that after ratchet parameters are converted into involute spline cuttertooth form parameters, a hob is designed and manufactured according to the converted cutter tooth form parameters, and the ratchets are machined. Machining of the ratchets on the outer circle of a speed reducer gear ring can be completed at a time (see Figure 1), the tooth falling phenomenon is eradicated, and the machining efficiency is improved; the small diameter and the requirement of the small diameter on the coaxiality phi 0.03 of the reference A can be easily ensured; and a new efficient solution is created for batch machining of products with micro tooth structures. Compared with wirecutting of one part for several hours, the method only needs 15 minutes, and therefore 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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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