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Preparation technology of engine support die casting

An engine bracket and preparation process technology, which is applied in the field of engine bracket preparation, can solve the problems of complex structure, no development and production, and high internal quality requirements, and achieves the effects of improving the service life and improving the qualification rate.

Inactive Publication Date: 2016-11-09
上海嘉朗实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The die-casting of the main structural part, the engine bracket, has a complex product structure and very high internal quality requirements. The existing domestic die-casting technology has not yet reached the technical requirements of this type of product, and no other manufacturers have carried out related development and production.

Method used

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  • Preparation technology of engine support die casting

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Embodiment 1

[0027] see figure 1 , the invention discloses a preparation process of an engine bracket die-casting, the preparation process comprising:

[0028] Step S1, the mold closing step, controls the closure of the entire pouring system (DCC500 die-casting machine);

[0029] Step S2, the step of casting the molten metal, pouring the molten metal into the injection chamber (the temperature of the molten aluminum is 640±20°C);

[0030] Step S3, the injection step, the metal liquid is injected into the cavity through the flow channel of the injection chamber (the injection speed is 2 blocks 7.5 / (12±1) circles and the pressurization speed is 5 / (12±1) circles);

[0031] Step S4, solidification step, after the molten metal completely fills the mold cavity, the injection head maintains a certain pressure until the molten metal is completely solidified (the thickness of the cake is 20±5mm);

[0032] Step S5, the step of opening the mold and taking out the parts. After the molten metal is so...

Embodiment 2

[0034] A process for preparing an engine bracket die-casting, the process comprising:

[0035] Step S1, the mold closing step, controls the closure of the entire pouring system;

[0036] Step S2, the step of casting the molten metal, pouring the molten metal into the injection chamber;

[0037] Step S3, the injection step, injecting the molten metal into the mold cavity through the flow channel of the injection chamber;

[0038] Step S4, solidification step, after the molten metal completely fills the mold cavity, the injection head maintains a certain pressure until the molten metal is completely solidified;

[0039] Step S5 , the step of opening the mold and taking out the parts. After the molten metal solidifies, the mold is controlled to open, and the injection head is reset to take out the casting.

[0040] In summary, the engine bracket die-casting preparation process proposed by the present invention can improve the yield of die-castings and increase the life of the d...

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Abstract

The invention discloses a preparation technology of an engine support die casting. The preparation technology comprises the following steps: S1, assembling a die, namely controlling the whole casting and discharging system to be closed; S2, casting molten metal, namely pouring the molten metal into an injection chamber; S3, carrying out injection, namely injecting the molten metal into a cavity through an injection chamber flow channel; S4, solidifying, namely after the cavity is completely filled with the molten metal, keeping an injection head to be at a certain pressure until the molten metal is completely solidified; and S5, opening the die and taking the engine support die casting, namely after the molten metal is solidified, controlling the die to be opened, resetting the injection head, and taking out the engine support die casting. The preparation technology disclosed by the invention has the advantages that qualified rate of the prepared die castings can be improved, and lives of the die castings are prolonged.

Description

technical field [0001] The invention belongs to the technical field of engine bracket preparation, and relates to a process for preparing a die-casting part, in particular to a process for preparing a die-casting part for an engine bracket. Background technique [0002] Export die castings have always been known for their strict requirements and high precision. Due to the complex product structure and high internal quality requirements for the die-casting parts of the engine bracket, the main structural part, the existing domestic die-casting technology has not yet reached the technical requirements for this type of product, and no other manufacturers have carried out related development and production. [0003] Due to the very high internal quality requirements due to the uneven wall thickness of the product, European and American products are usually produced by vacuum die-casting or the tonnage of the die-casting machine is increased, resulting in high production costs an...

Claims

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Application Information

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IPC IPC(8): B22D17/00
CPCB22D17/00
Inventor 赵良
Owner 上海嘉朗实业有限公司
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