Manufacturing method for hot-shaped die
A manufacturing method and thermal shaping technology, applied in the field of mold manufacturing, can solve problems such as unstable quality, poor toughness, and insufficient process precision
Active Publication Date: 2014-04-09
DONGGUAN WENYU IND
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Abstract
The invention discloses a manufacturing method for a hot-shaped die. The method includes the steps that a die to be shaped is placed on a lower die, and the die to be shaped is pressed downwards through an upper die; preheating is performed on the die to be shaped; after the die to be shaped is preheated to be at a preset temperature, the upper die and the lower die extrude the die to be shaped; quenching and tempering are performed on the die after hot extrusion treatment; polishing is performed on the surface of the die after the hot treatment; acid pickling is performed on the polished die, and then the hot-shaped die is obtained. By the adoption of the method, under the state of high temperature, internal stress of the die is reduced, and the die is pressed flat, so that the deformed die does not rebound after being pressed flat, and the die has good toughness.
Application Domain
Shaping tools
Technology Topic
QuenchingInternal stress +4
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