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Aluminum-magnesium alloy hub forming process and equipment

A technology of aluminum-magnesium alloy and forming equipment, applied in metal processing equipment, forming tools, manufacturing tools, etc., can solve the problems of low yield of flaring and flanging, achieve saving of mold investment, fast mold opening and demoulding, and simplified process The effect of the process

Active Publication Date: 2017-12-29
李卫平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide an aluminum-magnesium alloy wheel hub forming process and equipment with fast mold opening and demoulding, simple structure, easy mold manufacturing, and high yield rate, which solves the problems of multi-step, multi-mould, repeated machining, The problem of low yield of flaring and flanging

Method used

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  • Aluminum-magnesium alloy hub forming process and equipment
  • Aluminum-magnesium alloy hub forming process and equipment
  • Aluminum-magnesium alloy hub forming process and equipment

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Example 1: Aluminum-magnesium alloy wheel hub forming process, including the following steps: (1) Pretreating the aluminum-magnesium alloy billet, the pretreatment includes material removal, metallographic inspection and heating, and the heating temperature is 330-440°C; (2) Preheat the mold and punch core, the heating temperature is 330-440°C, put the pretreated blank into the forming mold cavity; the auxiliary hydraulic cylinder pushes the moving plate to move down along the direction of the guide column, and the moving plate The lower die is locked by the sleeve, and the punch core is extruded under the hydraulic pressure of the main hydraulic cylinder to squeeze the billet; (3) the first hydraulic cylinder pushes the moving plate to move downward, and the flanging die is in the position of the moving plate Under push, the billet extruded in step (2) is extruded and flanged; (4) the ejector mechanism is activated to make the preformed wheel hub blank out of the formin...

Embodiment 2

[0024] Embodiment 2: Aluminum-magnesium alloy wheel hub forming process, including the following steps: (1) Pretreatment of aluminum-magnesium alloy billet, pretreatment includes material removal, metallographic inspection and heating, and the heating temperature is 330-440°C; (2) Preheat the mold and punch core, the heating temperature is 330-440°C, put the pretreated blank into the forming mold cavity; the auxiliary hydraulic cylinder pushes the moving plate to move down along the direction of the guide column, and the moving plate The lower die is locked by the sleeve, and the punch core is squeezed into the billet under the hydraulic pressure of the main hydraulic cylinder; (3) Move the moving plate upwards, and then move the core-pulling slider out, and the auxiliary hydraulic cylinder pushes The moving plate moves downward, and the flanging die is pushed by the moving plate to squeeze and flang the blank extruded in step (2); (4) Start the ejector mechanism to make the pr...

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Abstract

The invention relates to an extrusion forming technology of aluminum alloy and magnesium alloy, in particular to a forming process and device for aluminum-magnesium alloy hubs. The forming process includes the steps of 1, carrying out pre-treatment including blank taking, metallographic inspecting and heating on aluminum-magnesium alloy blanks; 2, placing the pre-treated blanks into a forming die cavity, pushing moving plates to move downwards in the directions of guide columns through a main hydraulic cylinder, locking a female die through sleeves under the pushing effect of the moving plates and extruding the blanks through a punch die core under the effect of hydraulic pressure; 3, pushing the moving plates to move downwards through first hydraulic cylinders and extruding and turning up the blanks subjected to extrusion formation in the step 2 through a turning-up die under the pushing effect of the moving plates; and 4, starting an ejection mechanism and making the preformed hub blanks be separated from the forming die cavity. Die tools are simple in structure, the structure is simple, die opening and die releasing speed is high, the dies are firm and reliable, and a forming die is convenient to replace. In addition, the forming size is accurate, the working allowance is small, the hubs are suitable for mass production, and the flaring and turning-up yield is high.

Description

technical field [0001] The invention relates to aluminum and magnesium alloy extrusion forming technology, in particular to an aluminum-magnesium alloy wheel hub forming process and equipment. Background technique [0002] With the rapid development of the global automobile industry, automobile lightweight has been put on the agenda. In order to reduce the weight of the car itself, improve fuel-saving efficiency, reduce exhaust pollution, ensure the safety of the car, and make it more excellent in use. Lightweight structural materials (such as aluminum, magnesium alloys, etc.) show great advantages in automobiles, especially magnesium alloys, which are not only light in weight, high in specific strength, but also good in damping performance, and are good light-absorbing materials for manufacturing such as automobile wheels. vibration material. [0003] Magnesium alloys have been used abroad to manufacture automobile wheels. The techniques include low-pressure casting, gra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D35/00B21D37/08B21D53/26
CPCB21D35/003B21D37/08B21D53/265
Inventor 郝鑫颖
Owner 李卫平
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