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Metal extruding, casting and forging forming method and products of method

A metal extrusion, casting and forging technology, applied in metal processing equipment, mechanical equipment, transportation and packaging, etc., can solve the problem of small plastic deformation, and achieve the effect of good workpiece performance and low pouring temperature

Active Publication Date: 2014-08-20
支前明
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a metal extrusion casting and forging forming method to overcome the shortage that the plastic deformation of the continuous casting and forging workpiece is less than the critical deformation of forging; another object of the present invention is to provide metal or metal matrix composite products

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  • Metal extruding, casting and forging forming method and products of method

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with a preferred embodiment and accompanying drawings.

[0029] This embodiment provides a metal extrusion casting and forging forming method and its products, which is an aluminum alloy wheel with a designation of ZL101A (American designation A356.2, Japanese designation AC4CH), which includes the following steps:

[0030] Step 1, equipment, mold, aluminum liquid, etc. are prepared; the equipment can be special extrusion casting and forging equipment or a refitted liquid die forging extrusion machine, die-casting machine, etc.; the mold includes a lower mold (61), a side mold (62), Upper mold (63), plunger (20), plunger sleeve (21) etc., also can not have side mold; Allow one mold to be many pieces; Mold is installed on the base plate (9), needs to clean, spray paint, preheat to 150-300℃, the mold cooling device can be used in continuous production; the pouring temperature of molten aluminum after ref...

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Abstract

The invention discloses a metal extruding, casting and forging forming method and products of the method, and particularly relates to the extruding, casting and forging forming method of light alloy or light alloy composite materials in the same die, and the products of the method. The extrusion casting technology and the continuous casting and continuous forging technology are improved, and the method mainly solves the problem that the plastic deformation of the continuous-casting and continuous-forging critical deformation. According to the technical scheme, an unfilled cavity is reserved at the casting stage, the volume of the cavity needs to be larger than the size corresponding to the workpiece forging critical deformation, and then at the forging stage, through plunger extrusion, the cavity is fully filled in the plastic deformation process or grain refinement filling process. The method is a novel metal hot working forming method, casting, forging and semi-solid state processing are integrated, and the method is suitable for manufacturing high-performance force bearing parts and airtight parts like aluminum wheels and connecting rods.

Description

technical field [0001] The invention relates to a forming method of metal or metal-based composite material and its products, especially a forming method and its products in which light alloy or light alloy composite material is cast and forged in the same set of moulds. Background technique [0002] Both squeeze casting and die forging belong to the existing metal hot working forming methods. Squeeze casting is to fill the mold cavity with liquid metal material under the action of gravity or mechanical force, and then make the molten metal crystallize and solidify under higher pressure. The disadvantage is that although the extrusion specific pressure is higher than other casting methods, it still cannot cause obvious plastic deformation of the workpiece. [0003] Die forging is to heat the solid metal billet, and then put it into the forging die. After the forging press is pressurized, the solid metal billet is plastically deformed to fill the forging die cavity. Die for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D18/02B21J5/02B21K1/40B21K1/76
Inventor 支前明
Owner 支前明
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