Squeezing-revolving shaping method of magnesium alloy wheel and device thereof

A magnesium alloy and wheel technology, which is applied in the field of magnesium alloy wheel extrusion and spin forming method and its device, can solve the problems such as the inability to realize magnesium alloy wheel spin forming, and achieve the effects of improving plasticity, reducing friction, and simplifying the process

Inactive Publication Date: 2009-07-15
ZHONGBEI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing spinning machine tools and devices are difficult to apply to magnesi

Method used

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  • Squeezing-revolving shaping method of magnesium alloy wheel and device thereof
  • Squeezing-revolving shaping method of magnesium alloy wheel and device thereof
  • Squeezing-revolving shaping method of magnesium alloy wheel and device thereof

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Embodiment Construction

[0022] The specific implementation will be described in detail below in conjunction with the accompanying drawings (this embodiment is a further description of the present invention, rather than any limitation to the present invention).

[0023] figure 1 and figure 2 As shown, the magnesium alloy wheel isothermal extrusion device of the present invention. A magnesium alloy wheel extruding and spinning device, comprising a frame 1 and a mandrel 2, characterized in that: the frame 1 is a box-shaped frame, and there are a rotary wheel device 3 and a mandrel in the box-shaped frame Rotating device 4, plane pressurizing device 5 and box cover 6; described mandrel rotating device 4 is contained in the bottom of box-shaped frame, and mandrel is contained in the top of mandrel rotating device 4; Described rotary wheel device 3 is installed On the box wall of the box-shaped frame, it is arranged and fed along the radial direction of the prefabricated blanks; and the plane pressing d...

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Abstract

The invention relates to a method and a device for spinning and forming a magnesium alloy wheel, adopting a cylinder-shaped prefabricated roughcast. The method is characterized in that the prefabricated roughcast is arranged on a core die, a flat surface pressure device is used for flaring the prefabricated roughcast by axially moving the prefabricated roughcast, then the prefabricated roughcast and the core die rotate together and the prefabricated roughcast is spun through the radical feeding movement of a rotating spinning roller having the same outline shape as the wheel along the prefabricated roughcast, so that the prefabricated roughcast is subjected to continuous partial plastic deformation along the radial direction, and finally a needed outline of the magnesium alloy wheel is formed. Furthermore, the device comprises a stand and a core die, wherein the stand is in a box shape and is a consistent temperature oil tank, and the box-shaped stand is internally provided with a spinning roller device, a core die rotating device, the flat surface pressure device and a tank cover. In addition, the invention solves the problems of the forming and the demoulding of a similar part of a wheel which is small at both ends and big in the middle, and has the advantages of consistent temperature extrusion, higher dimension precision of products, enhanced production efficiency, and the like.

Description

1. Technical field [0001] The invention relates to the field of plastic processing technology and equipment, in particular, it is mainly used for a magnesium alloy wheel extrusion and spin forming method and a device thereof. 2. Background technology [0002] Magnesium alloy has a series of advantages such as low density, high strength, good damping performance, etc. It shows great advantages in automobiles. Magnesium alloy wheels are a typical example of new-generation automobile parts replacing new materials. At present, for magnesium alloy wheels, there are mainly two processing methods: casting and forging: [0003] 1. Cast magnesium alloy wheels: mainly manufactured by low-pressure casting, pressure casting, squeeze casting and other methods. There have been research reports at home and abroad, but cast magnesium alloy wheels have relatively low strength and toughness, and it is difficult to meet the requirements of high-performance wheels. Practical engineering applic...

Claims

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Application Information

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IPC IPC(8): B21C23/02B21C25/00
Inventor 张治民王强马春生张宝红
Owner ZHONGBEI UNIV
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