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Gas auxiliary semi-solid substance shaper

A gas-assisted, semi-solid technology, used in the field of gas-assisted forming devices, can solve the problems of low dimensional accuracy and surface quality, and achieve the effects of improving surface and internal quality, stable and reliable processing dimensions, and reducing sink marks.

Inactive Publication Date: 2005-02-23
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Die-casting, extrusion, die forging and other conventional processes can be used for processing and forming, but the dimensional accuracy and surface quality are often low when processing hollow parts

Method used

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  • Gas auxiliary semi-solid substance shaper
  • Gas auxiliary semi-solid substance shaper

Examples

Experimental program
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Embodiment Construction

[0009] The present invention includes a heating cylinder 9, a hopper 7 installed on the upper part of the heating cylinder 9, a heating coil 19 wound on the heating cylinder 9, an extruding feeding piston 20 inside the heating cylinder 9, and a rotating shaft connected to the extruding feeding piston. device, feeding piston rod 4, slidable support 26, mould, and it also includes a gas generation controller 16, and one end of the described feeding piston rod 4 is fixed on the described slidable support 26 through the end face bearing 2 and the bearing seat 1 , the other end is fixedly connected with the extruding feeding piston 20; the driver 27 drives the extruding piston 20 through the slidable bracket 26 and the feeding piston rod 4; the heating cylinder 9 passes through the nozzle 10 1. The sprue bushing 11 is connected with the fixed module 12 of the mold; the gas generation controller 16 is connected with the movable module 14 of the mold through the gas injection nozzle 1...

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PUM

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Abstract

A gas aided shaper of semi-solid substance is composed of charging hopper, squeeze feeder, die, and gas generator. Said squeeze feeder consists of cylindrical heater, feeding piston in the cylindrical heater, feeding piston rod, slidable supporter fixed with said feeding piston rod, transmission unit installed to said feeding piston rod, and driver installed to said slidable supporter. Said gas generator is communicated to the moving die. Said heater is communicated with the static die.

Description

Technical field: [0001] The invention relates to a gas-assisted forming device, in particular to a gas-assisted semi-solid material forming device. Background technique: [0002] Semi-solid metal processing is the metal in the solidification process, strong stirring or by controlling the solidification conditions, inhibit the formation of dendrites or break the generated dendrites, and form equiaxed, fine primary phases that are evenly distributed in the liquid phase. Suspended solid slurry, this slurry has good fluidity under the action of external force, that is, the solid phase ratio reaches 60%. Conventional processes such as die-casting, extrusion, and die forging can be used for processing and forming, but the dimensional accuracy and surface quality are often low when processing hollow parts. Invention content: [0003] The purpose of the present invention is to provide a gas-assisted semi-solid material forming device capable of improving the dimensional accuracy ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D17/00B22D17/10
Inventor 吴博达梁继才李义付沛福杨志刚程光明
Owner JILIN UNIV
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