Whole forging near net forming process for inner ball cage sliding sleeve

A technology of integral forging and near-net forming, applied to metal processing equipment, etc., can solve the problems of low processing efficiency, material waste, long production cycle, etc., and achieve sufficient forming effect

Inactive Publication Date: 2011-11-23
JIANGSU CHUANGYI PRECISION FORGING
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The constant velocity universal joint is a mechanism that connects two shafts whose axes do not coincide and makes the two shafts transmit motion at the same angular velocity. It is an important part in the car transmission system. Its function is to transfer the power of the engine from the transmission transmission) to the driving wheel of the car, to meet the requirements of the outer end corner of the car transmission shaft, and to transmit the power of the engine to the wheels stably and reliably, to compensate for the beating of the suspension at the inner end of the car, and to drive th

Method used

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Examples

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Comparison scheme
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Example Embodiment

[0024] An embodiment of the present invention is described below.

[0025] The inner ball cage sliding sleeve formed by the integral forging near-final shape is composed of a cylindrical part and a rod part. The cylindrical part does not require subsequent machining. The outer groove and inner raceway cavity are directly forged, and the rod part is obtained by extrusion and extension , Leaving a small amount of machining allowance, saving more than twice the material compared with machining, and increasing the efficiency by 30 times.

[0026] The near-final forming process of the integral forging of the inner ball cage sliding sleeve, firstly simulate the cold and warm forging process according to the three-dimensional simulation forming software, and design the mold making and material preparation. The process steps of this embodiment are:

[0027] 1. Blanking, take the round steel bar for sawing, the weight of the raw material blank after blanking is greater than 10% of the weight ...

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Abstract

The invention provides a whole forging near net forming process for an inner ball cage sliding sleeve, comprising the following steps of: blanking, machining to prepare a blank, shot blasting, surface coating, rod part forward extruding, barrel part upsetting, barrel part reverse extruding, spheroidizing and annealing, phosphorus saponifying and barrel part finishing and forming. The inner ball cage sliding sleeve manufactured by adopting the process provided by the invention has the advantages of uniform structure, high density, strength and hardness, small size error, no follow-up machining, high processing efficiency, short production period, material conservation and high practical value.

Description

technical field [0001] The invention belongs to the field of near-net forming of metal materials, and in particular relates to an integral forging near-net forming process of an inner spherical cage sliding sleeve. Background technique [0002] The constant velocity universal joint is a mechanism that connects two shafts whose axes do not coincide and makes the two shafts transmit motion at the same angular velocity. It is an important part in the car transmission system. Its function is to transfer the power of the engine from the transmission transmission) to the driving wheel of the car, to meet the requirements of the outer end corner of the car transmission shaft, and to transmit the power of the engine to the wheels stably and reliably, to compensate for the beating of the suspension at the inner end of the car, and to drive the car at high speed; The joint is mainly composed of an inner ball cage, an outer ball cage, and a half shaft. As a key part of the inner ball ...

Claims

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Application Information

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IPC IPC(8): B21J5/02
Inventor 陈雪锋高俊胡跃飞聂相宜
Owner JIANGSU CHUANGYI PRECISION FORGING
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