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Hub forging method

A wheel hub forging and wheel hub technology, applied in the field of forging, can solve the problems of low raw material utilization rate, low hub production efficiency, and insufficient structural strength, etc., and achieve the effects of improving production efficiency, improving utilization rate, and high structural strength

Inactive Publication Date: 2018-05-22
JIANGSU POMLEAD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the utilization rate of raw materials in the forging of automobile wheel hubs is not high, the production cost is high, the structural strength is not enough, it is easy to break, and the production efficiency of the wheel hubs is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The present invention proposes a forging method of a wheel hub, which includes the following steps: S10: Extruding: extruding a steel plate blank with a predetermined width and thickness through an extruder with an extrusion pressure of 1200T, so that It can make the ductility of the steel plate reach the best state; S20: preheating: heat the steel plate blank to 700°C and keep it warm for 0.5 hours, which can facilitate the cutting of the hydraulic cutter; S30: cutting: use the hydraulic cutter to preheat S40: heating: heat the square blank to 1000°C, keep it warm for 1 hour, and heat the blank to this temperature, which can make the plasticity of the blank reach the best S50: Forging: Place the square-shaped blank in the mold for forging, the forging temperature is 1300°C, to form a blank with a disc-shaped structure, and heat the blank to 1300°C It can weld the defects on the surface of the blank to make the chemical composition of the metal more uniform; S60: punchi...

Embodiment 2

[0021] The present invention proposes a forging method of a wheel hub. The forging method of the wheel hub includes the following steps: S10: Extruding: extruding a steel plate blank with a preset width and thickness through an extruder with an extrusion pressure of 1600T, so that It can make the ductility of the steel plate reach the best state; S20: preheating: heat the steel plate blank to 900°C and keep it warm for 1 hour, which can facilitate the cutting of the hydraulic cutter; S30: cutting: use the hydraulic cutter to preheat The steel plate blank is cut into a pre-set square blank; S40: Heating: heat the square blank to 1200°C and keep it warm for 2.5 hours. Heating the blank to this temperature can make the plasticity of the blank reach the best S50: Forging: Put the square-shaped blank in the mold for forging, the forging temperature is 1500°C, to form a blank with a disc-shaped structure, and heat the blank to 1500°C It can weld the defects on the surface of the bla...

Embodiment 3

[0023] The present invention proposes a method for forging a wheel hub. The forging method for the wheel hub includes the following steps: S10: Extruding: extruding a steel plate blank with a preset width and thickness through an extrusion machine with an extrusion pressure of 1400T, so that It can make the ductility of the steel plate reach the best state; S20: preheating: heat the steel plate blank to 800°C and keep it warm for 0.7 hours, which can facilitate the cutting of the hydraulic cutter; S30: cutting: use the hydraulic cutter to preheat The steel plate blank is cut into a pre-set square blank; S40: Heating: heat the square blank to 1100°C, keep it warm for 2 hours, and heat the blank to this temperature, which can make the plasticity of the blank reach the best S50: Forging: Place the square-shaped blank in the mold for forging, the forging temperature is 1400°C, to form a blank with a disc-shaped structure, and heat the blank to 1400°C It can weld the defects on the...

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PUM

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Abstract

The invention discloses a hub forging method. The method comprises the steps that a steel plate blank with the preset width and thickness is extruded through an extruder; the steel plate blank is heated to 700-900 DEG C and subjected to heat preservation for 0.5-1 h; a hydraulic cutter is adopted for cutting the preheated steel plate blank to be a preset square blank; the square blank is heated to1000-1200 DEG C and subjected to heat preservation for 1-2.5 h; the square blank is placed in a die to be forged at the temperature of 1300-1500 DEG C to form a workblank of a disc structure; the workblank of the disc structure is punched and expanded; and the punched workblank is placed into a spinning machine for spinning forming, and machining is carried out to obtain a hub finished product. By means of the forming method, the steel material utilization rate is improved, the hub production cost is reduced, the forming precision is improved, structural strength is high, and production efficiency is greatly improved.

Description

technical field [0001] The invention relates to the field of forging, in particular to a forging method of a wheel hub. Background technique [0002] As one of the important parts in the driving system of the car, the wheel hub is also a kind of security device with high requirements. It not only bears the weight of the car, but also reflects the appearance of the car. In the prior art, the utilization rate of raw materials in the forging of automobile wheel hubs is not high, the production cost is high, the structural strength is insufficient, and fractures are prone to occur, and the production efficiency of the wheel hubs is low. Contents of the invention [0003] Aiming at the problems existing in the above-mentioned prior art, the present invention provides a forging method of a wheel hub. The forging method improves the utilization rate of steel, reduces the production cost of the wheel hub, improves forging precision, has high structural strength, and greatly improv...

Claims

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Application Information

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IPC IPC(8): B23P15/00
CPCB23P15/00B23P2700/50
Inventor 万金华彭桂云
Owner JIANGSU POMLEAD CO LTD