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I-type integral oil ring wire working method and equipment for piston ring industry

A processing method and piston ring technology, applied in the field of wire processing, can solve problems such as complex cross-sectional shape, difficult breakthrough, and inability to produce such products, and achieve the effects of avoiding mutual influence, ensuring shape requirements, and high shape accuracy

Active Publication Date: 2009-12-09
大连环新新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The wire used for I-type integral oil rings for motor vehicle piston rings has complex cross-sectional shapes and requires high dimensional accuracy. At present, only a few foreign manufacturers can produce such products, and their production investment is huge, and the products are expensive. It cannot meet the requirements in terms of shape or quality, and it is impossible to produce such products, and it is difficult to make breakthroughs in technology

Method used

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  • I-type integral oil ring wire working method and equipment for piston ring industry
  • I-type integral oil ring wire working method and equipment for piston ring industry

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The processing method of I-type integral oil ring wire used in the piston ring industry:

[0020] The first step of rolling: the raw material wire rod is linearly routed through the rolling equipment, and rolled on the four sections of the upper, lower, left, and right sides at the same time to obtain the required I-shaped section shape;

[0021] The second step of annealing: the rolled wire rod is linearly routed through the annealing furnace for annealing, and then rolling and annealing are performed after annealing, and this is repeated 3-8 times to obtain a type I integral oil ring wire rod without quenching and tempering;

[0022] The third step: quenching and tempering heat treatment: the steel wire is linearly and continuously routed and quenched, and the continuous linear route is tempered in an inert protective gas atmosphere. After quenching and tempering, there is a linear continuous water-cooled rapid cooling treatment, and the quenching temperature is 860 ℃ ...

Embodiment 2

[0025] The processing method of the I-type integral oil ring wire with holes for the piston ring industry:

[0026] The first step of rolling: the raw material wire rod is linearly routed through the rolling equipment, and rolled on the four sections of the upper, lower, left, and right sides at the same time to obtain the required I-shaped section shape;

[0027] The second step of annealing: the rolled wire rod is linearly routed through the annealing furnace for annealing, and then rolling and annealing are performed after annealing, and this is repeated 3-8 times to obtain a type I integral oil ring wire rod without quenching and tempering;

[0028] The third step of punching: punching the wire rod on the punching machine to obtain a non-tempered I-type integral oil ring wire rod with holes;

[0029] The fourth step: quenching and tempering heat treatment: the steel wire is linearly and continuously routed and quenched, and then linearly and continuously routed in an inert...

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Abstract

The invention relates to a wire rod processing method, a processing method for an I-type integral oil ring wire rod used in the piston ring industry: rolling: the raw material wire rod is linearly routed through the rolling equipment, and simultaneously rolled on the four sections of the upper, lower, left, and right sides to obtain the obtained product. Cross-section shape is required; annealing: after rolling, the wire rod is linearly routed through an annealing furnace for annealing, and then rolling and annealing are performed after annealing, and this is repeated 3-8 times to obtain a type I integral oil ring wire rod without quenching and tempering. The present invention adopts rolling in four directions at the same time, rolling directly according to the required cross-sectional shape, reasonable distribution of rolling times and rolling volume, ensuring shape requirements, completely avoiding wire bending, oxidation and decarburization, and matrix hardness and plasticity reaching It is a quenching and tempering treatment method based on certain technical requirements, and the product design has high precision in size and shape, excellent quality, and low cost, which can meet the needs of various shapes in large quantities.

Description

Technical field: [0001] The invention relates to a wire rod processing method, in particular to a wire rod processing method in the piston ring industry, and also provides its equipment. Background technique: [0002] The wire used for I-type integral oil rings for motor vehicle piston rings has complex cross-sectional shapes and requires high dimensional accuracy. At present, only a few foreign manufacturers can produce such products, and their production investment is huge, and the product prices are expensive. Neither the shape nor the quality can meet the requirements, and this type of product cannot be produced, so it is difficult to make a breakthrough in technology. Invention content: [0003] The purpose of the present invention is to overcome the above-mentioned disadvantages and provide a processing method for the I-type integral oil ring wire used in the piston ring industry. The method is simple in production, low in cost, and has excellent product shape and qu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P23/04B21B1/088C21D11/00C21D9/52
Inventor 李向辉
Owner 大连环新新材料科技有限公司
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