Method for manufacturing normal pressure reinforced wax mould head

A manufacturing method and technology of wax patterns, applied in the direction of casting molding equipment, etc., can solve the problems of wax pattern strength reduction, loss, low wax pattern density, etc., and achieve the effects of improved product qualification rate, strong adsorption, and solid interior

Active Publication Date: 2011-07-20
SHANDONG TAISHAN STEEL GROUP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Instead, the discrete die head mold components are used to form a mold, and the method of pouring wax liquid under normal pressure is used to make it. Low pressure leads to low density of the wax pattern, so the wax pattern is prone to shrinkage and shrinkage of the upper surface, and the strength of the wax pattern is significantly reduced, so that in the subsequent casting production process, it often occurs because the strength of the wax pattern is not enough. The breakage of the wax mold not only reduces the yield and increases the casting cost, but also seriously delays the construction period and causes greater losses

Method used

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  • Method for manufacturing normal pressure reinforced wax mould head
  • Method for manufacturing normal pressure reinforced wax mould head
  • Method for manufacturing normal pressure reinforced wax mould head

Examples

Experimental program
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Effect test

Embodiment 1

[0015] Prepare a "one"-shaped wax model with a length of 600 mm, a thickness and a width of 8 mm. its shape like image 3 .

[0016] Its production steps are as follows:

[0017] 1. First make discrete mold components: two aluminum alloy strips with a length of 600mm and a beam with a length of 80mm at one end are cast through sand casting, as discrete mold components 1 and 2, such as figure 1 shown. Place the two discrete mold assemblies 1 and 2 on the metal flat plate 3, and form a "one"-shaped cavity 4 between the two discrete mold assemblies 1 and 2 to form a "one"-shaped wax mold wax pattern mold. Simultaneously, also select the high-pressure die head 5 of the bucket-shaped high-pressure band gate wax cup similar to the shape of the "one"-shaped cavity 4, and the width of the high-pressure die head 5 of the bucket-shaped high-pressure band gate wax cup is 40mm, which is equivalent to 1 / 2 of the length of the "one"-shaped cavity 4; the width of the wax mold head 5 of ...

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Abstract

The invention discloses a method for manufacturing a normal pressure reinforced wax mould head, which is characterized by comprising the steps of: 1, firstly manufacturing a discrete mould assembly; 2, pouring wax liquid at normal pressure and doping wax crumbs; and 3, cooling, taking away the discrete mould assembly to obtain the normal pressure reinforced wax mould head. Compared with the method for manufacturing the mould by adopting the discrete mould head assembly through splicing at normal pressure, the wave crumbs formed at high pressure are doped in the manufacture process, and have high density and strong adsorbability, the shrinkage depression degree of the wax liquid containing the wax crumbs is far less than that of the wax liquid without containing the wax crumbs, the strength of the wax mould is improved, and the wax crumbs ensure that the cooling speed of the mould head is increased and the production period is shortened.

Description

technical field [0001] The invention relates to an improvement of a method for manufacturing a precision casting wax mold head, in particular to a method for manufacturing a wax liquid reinforced wax mold head under normal pressure by using wax liquid, mixing wax scraps, and pouring under normal pressure. It is mainly suitable for casting processes with a small number of samples or castings. Background technique [0002] With the development of society, the use of precision castings is becoming more and more extensive. Except for aviation and weapons, it is used in almost all industrial sectors, especially electronics, petroleum, chemical industry, transportation, light industry, textiles, pharmaceuticals, and medical equipment. , pump and valve components. The castings produced by the investment precision casting method have high dimensional accuracy, low surface roughness, high flexibility and strong adaptability, especially for parts with complex casting shapes. mold, s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C7/02
Inventor 陈培敦赵星曹旭东李昌琦亓秀荣
Owner SHANDONG TAISHAN STEEL GROUP
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