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Wax mold manufacturing method of melting mold precision-casting bridge shell

A manufacturing method and the technology of the axle housing, applied in the direction of casting and molding equipment, etc., can solve the problems of affecting the production progress, wasting labor and production time, etc., and achieve the effects of improving production efficiency, improving product quality and reducing production costs

Inactive Publication Date: 2015-03-25
LIUZHOU JINTE NEW WEAR RESISTANT MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the actual production process, there are often surface defects such as underfill, cold shut and bubbling on the surface of the wax mold, which not only wastes labor and production time, but also affects the production schedule

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The wax mold manufacturing method of investment casting bridge shell includes the following process steps:

[0031] Step 1. Prepare wax material:

[0032] (1) The weight ratio of each raw material component of the wax material is: 10% paraffin wax, 15% stearic acid, and 75% recovered wax;

[0033] (2) According to the ratio of raw materials in step (1), weigh the raw materials separately, first put the stearic acid in the wax-melting tank, and heat it to a liquefied state, and the heating temperature is 80-85°C. , Then put the paraffin wax and recovered wax in the wax bath, stir evenly to obtain wax liquid;

[0034] (3) Put the wax liquid in the stirring wax tank first, start the mixer, add wax flakes while stirring, the amount of wax liquid: the amount of wax flakes = 1:1, until the wax material in a paste form is obtained, stop stirring; Wax flakes are obtained by a horizontal wax flake machine, and the thickness of the wax flakes is ≤10mm;

[0035] (4) Put the stirred wax ma...

Embodiment 2

[0047] The wax mold manufacturing method of investment casting bridge housing includes the following process steps:

[0048] Step 1. Prepare wax material:

[0049] (1) The weight ratio of each raw material component of the wax material is: 15% paraffin wax, 10% stearic acid, and 75% recovered wax;

[0050] (2) According to the ratio of raw materials in step (1), weigh the raw materials separately, put the stearic acid in the wax bath, and heat it to a liquefied state, and the heating temperature is 80-85°C. After the stearic acid is completely melted , Then put the paraffin wax and recovered wax in the wax bath, stir evenly to obtain wax liquid;

[0051] (3) First put the wax liquid in the stirring wax tank, start the mixer, add wax flakes while stirring, the amount of wax liquid: the amount of wax flakes = 1:2, until a paste-like wax material is obtained, stop stirring; Wax flakes are obtained by a horizontal wax flake machine, and the thickness of the wax flakes is ≤10mm;

[0052] (...

Embodiment 3

[0064] The wax mold manufacturing method of investment casting bridge housing includes the following process steps:

[0065] Step 1. Prepare wax material:

[0066] (1) The weight ratio of each raw material component of the wax material is: 10% paraffin wax, 10% stearic acid, and 80% recovered wax;

[0067] (2) According to the ratio of raw materials in step (1), weigh the raw materials separately, first put the stearic acid in the wax-melting tank, and heat it to a liquefied state, and the heating temperature is 80-85°C. After the stearic acid is completely melted , Then put the paraffin wax and recovered wax in the wax bath and stir evenly to obtain wax liquid;

[0068] (3) Put the wax liquid in the stirring wax tank first, start the mixer, add wax flakes while stirring, the amount of wax liquid: the amount of wax flakes = 1:1.5, until the wax material is paste-like, stop stirring; Wax flakes are obtained by a horizontal wax flake machine, the thickness of the wax flakes is ≤10mm;

...

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Abstract

The invention discloses a wax mold manufacturing method of a melting mold precision-casting bridge shell. The wax mold manufacturing method comprises the following process steps: preparing a wax material, manufacturing a wax mold, finishing the wax mold and checking. According to the wax mold manufacturing method of the melting mold precision-casting bridge shell, the process defects of under-injection, cold separation, bubbling and the like in the wax mold manufacturing method of the melting mold precision-casting bridge shell can be overcome; and the product quality of a casting can be improved, the production efficiency is improved and the production cost is reduced.

Description

Technical field [0001] The invention relates to a wax mold manufacturing method of an investment casting bridge shell, belonging to the field of precision casting. Background technique [0002] The axle housing is the basic part for installing the final drive, differential, half shaft, hub and suspension. The main function is to support and protect the final drive, differential and half shaft. At the same time, the axle housing is one of the main components of the driving system, and the axle housing should have sufficient strength and rigidity. [0003] Investment casting is a casting method in which a wax mold is made of wax material, and several layers of refractory coating are coated on the wax mold to make a molding shell. After the wax mold is melted, it can be fired and cast at high temperature. Castings made by investment casting are not only high-precision but also smooth and clean, so they are widely used in the production of steam turbines, turbine blades or impellers, ...

Claims

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Application Information

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IPC IPC(8): B22C7/02
CPCB22C7/02
Inventor 何拥军何嘉圣何嘉贤蒋漓洪杨学赖卫华
Owner LIUZHOU JINTE NEW WEAR RESISTANT MATERIAL CO LTD
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