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Manufacturing method of mold for car axles

A production method and mold technology, which is applied in the direction of manufacturing tools, casting molding equipment, casting molds, etc., can solve problems such as clamping difficulties, difficult processing and manufacturing, and large volume, so as to improve the production cycle and reduce the production difficulty.

Inactive Publication Date: 2017-04-26
JIANGSU YUYAN MOLDING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the molds used are sleeve-shaped cylindrical molds. The working surface of the mold is composed of multiple leads and complex curved surfaces, which is difficult to process and manufacture.
[0003] Due to the large size of such molds, the optional processing lathes are relatively limited, and the clamping is difficult, unsafe, and the processing diameter is also limited; the formation of complex curved surfaces is achieved by changing the hanging wheels, frequent use of front and back lathes, and changing tools
This method of processing is not easy to operate, the labor intensity of the workers is high, and the quality is not easy to guarantee. It takes two weeks to complete a set of molds (upper mold or lower mold) from clamping to unloading.
extremely inefficient

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Obtain the resin prototype used to make the casting resin mold: use the design size of the casting and 3D modeling software (such as Pro / E) to obtain the 3D CAD model of the casting resin mold, and obtain the model used to make the casting resin mold by the rapid prototyping mechanism Resin prototype.

[0015] Obtain casting resin molds for water glass self-setting sand molding: utilize the obtained resin prototype to quickly obtain the mold cavity for manufacturing resin casting molds by turning over the normal temperature vulcanized silicone rubber mold; in order to meet the wear resistance requirements of the mould, The surface of the cavity is first coated with a mixture of epoxy resin, curing agent, toughening agent and wear-resistant powder. The ratio of the above mixture is: 100 parts of epoxy resin; 33 parts of curing agent; toughening agent 10 parts; wear-resistant powder 200 parts. The curing agent in the above-mentioned raw materials is a modified polyamine,...

Embodiment 2

[0020] Obtain the resin prototype used to make the casting resin mold: use the design size of the casting and 3D modeling software (such as Pro / E) to obtain the 3D CAD model of the casting resin mold, and obtain the model used to make the casting resin mold by the rapid prototyping mechanism Resin prototype.

[0021] Obtain casting resin molds for water glass self-setting sand molding: utilize the obtained resin prototype to quickly obtain the mold cavity for manufacturing resin casting molds by turning over the normal temperature vulcanized silicone rubber mold; in order to meet the wear resistance requirements of the mould, The surface of the cavity is first coated with a mixture of epoxy resin, curing agent, toughening agent and wear-resistant powder. The ratio of the above mixture is: 100 parts of epoxy resin; 33 parts of curing agent; toughening agent 10 parts; wear-resistant powder 200 parts. The curing agent in the above-mentioned raw materials is a modified polyamine,...

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PUM

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Abstract

The invention discloses a manufacturing method of a mold for car axles. The method comprises following steps: drawing a three-dimensional CAD model based on a casting technology map of axle castings and making a resin prototype through rapid prototyping equipment; rolling over the manufactured resin prototype by a normal-temperature silicon sulfide rubber mold to rapidly obtain a mold cavity for manufacturing of the resin casting mold; providing a flat aluminum alloy plate workpiece as an aluminum alloy matrix, melting the flat aluminum alloy plate workpiece and enabling the melted alloy liquid to flow through the mold cavity; cooling the alloy liquid in the flat cavity to obtain the aluminum alloy matrix; and drilling a taper hole in the aluminum alloy matrix. The manufacturing method of the mold for car axles has following beneficial effects: the manufacture period of the mold for the car axles is effectively prolonged; and manufacturing difficulty is reduced.

Description

technical field [0001] The invention relates to an automobile mould, in particular to a manufacturing method of an automobile axle mould. Background technique [0002] Rolling mills and cross wedge rolling mills are widely used in the forging industry to roll and roll various stepped shaft parts to meet the large demand of automobile and other industries. Most of the molds used are sleeve-shaped cylindrical molds, and the working surface of the mold is composed of multiple leads and complex curved surfaces, which is difficult to process and manufacture. [0003] Due to the large size of such molds, the optional processing lathes are relatively limited, and the clamping is difficult, unsafe, and the processing diameter is also limited; the formation of complex curved surfaces is achieved by changing the hanging wheels, frequent use of front and back lathes, and changing tools . This method of processing is not easy to operate, the labor intensity of the workers is high, and...

Claims

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Application Information

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IPC IPC(8): B23P15/24B22C9/22
CPCB23P15/24B22C9/22
Inventor 孙从贵康冬平杭霖生
Owner JIANGSU YUYAN MOLDING CO LTD
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