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Manufacturing method of automobile ABS (acrylonitrile-butadiene-styrene) induction counting tooth ring

A manufacturing method and the technology of the ring gear, which are applied in the manufacturing field of end-face toothed parts, can solve the problems of low product qualification rate, time-consuming, and material waste, and achieve the effects of low overall cost, overcoming deformation, and improving replacement

Inactive Publication Date: 2013-12-25
TAIZHOU XINCHENG NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The manufacturing method of automotive ABS induction counting ring gear and other parts is usually made of 45 carbon steel bars or 45 carbon steel blanks, which are processed by multi-process mechanical cutting and high-frequency quenching. Both of the above two manufacturing methods can be processed. The end-face tooth-shaped parts of the automotive ABS anti-lock (lock) dead brake system that meet the requirements of use have the disadvantages of costing materials and labor, and the qualified rate of multi-process mechanical cutting products is low.
The above-mentioned manufacturing process of automotive ABS induction counting ring gear requires 680g of material per piece, 270g of net weight, and more than 8 hours of turnover time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1: Fill the alloy powder material of particle size ≥ 100 purpose through sealing and stirring and mixing in the prefabricated mold, each composition is 2%Cu, 1%Ni, 1%Cr, 2% sulfur manganese, 2% by weight ratio % rare earth elements, 0.6% C, 0.4% zinc stearate, and the rest is Fe powder; it is pressed into alloy steel billets at 6tf / ㎝2; Keep warm for 3 hours; cool down to room temperature through the circulating water channel; put the formed billet into the finishing die for further extrusion, the extrusion allowance is 50 μm in outer diameter and 60 μm in inner diameter; a small amount of local turning is processed and formed; the final surface is Dacromet deal with. Compared with the original manufacturing method, this embodiment can greatly save raw materials and processing man-hours, improve processing accuracy, and improve tensile strength and wear resistance.

Embodiment 2

[0018] Embodiment 2: Fill the alloy powder material of particle size ≥ 100 purpose through sealing and stirring and mixing uniformly in the prefabricated mold, each composition is 4%Cu, 2%Ni, 1.5%Cr, 2.5% sulfur manganese, 3 % rare earth elements, 0.7% C, 0.5% zinc stearate, and the rest is Fe powder; it is pressed into an alloy steel billet at 8tf / ㎝2; Insulate for 3.5 hours; cool to room temperature through the circulating water jacket; put the formed billet into the finishing die for further extrusion, the extrusion allowance is 55μm in outer diameter and 70μm in inner diameter; Crowe handle. Compared with the original manufacturing method, this embodiment can save a lot of raw materials and processing man-hours, while improving the tensile strength and wear resistance, the impact toughness index is also improved, and the replaceability of parts is improved.

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Abstract

The invention discloses a manufacturing method of an automobile ABS (acrylonitrile-butadiene-styrene) induction counting tooth ring, which can implement high-efficiency mass production of automobile ABS induction counting tooth rings. The technical scheme is as follows: the method comprises the following steps: filling a uniformly mixed alloy powder material with the particle size of at least 10 meshes into a precast mold, wherein the alloy powder material preferably comprises the following components in percentage by weight: 3-4% of Cu, 1.5-2.5% of Ni, 1.3-1.7% of Cr, 2.2-2.8% of sulfur manganese, 2.5-3.5% of rare-earth element, 0.65-0.75% of C, 0.45-0.55% of zinc stearate and the balance of Fe powder; pressing into an alloy steel blank under the pressure of 7-8 tf / cm<2>; carrying out high-temperature sintering on the blank at 1100-1110 DEG C, and keeping the temperature in reducing gas and nitrogen for 3.3-3.8 hours; cooling to room temperature, and putting the formed blank in a finishing mold for further extrusion, wherein the external diameter of the extrusion allowance is 53-58 mu m, and the internal diameter is 65-75 mu m; carrying out partial slight turning and trimming for formation; and finally, carrying out Dacromet treatment on the surface.

Description

technical field [0001] The present invention relates to a manufacturing method of an automobile ABS induction counting ring gear, more specifically, the present invention relates to a manufacturing method of an end-face toothed part in an automobile ABS anti-lock (lock) braking system. Background technique [0002] The manufacturing method of automotive ABS induction counting ring gear and other parts is usually made of 45 carbon steel bars or 45 carbon steel blanks, which are processed by multi-process mechanical cutting and high-frequency quenching. Both of the above two manufacturing methods can be processed. The end-face tooth-shaped parts of the automobile ABS anti-lock (lock) dead brake system that meet the requirements of use have the disadvantages of costing materials and labor hours, and the qualified rate of multi-process mechanical cutting products is low. The above-mentioned manufacturing process of automotive ABS induction counting ring gear requires 680g of mat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/16B22F5/08
Inventor 钱军丁成业
Owner TAIZHOU XINCHENG NEW MATERIAL TECH
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