Pressure casting die parting surface spotting method

A die-casting mold and parting surface technology, which is applied in the directions of casting molds, mold components, and casting molding equipment, can solve the problem of low precision of parting surface grinding and matching.

Inactive Publication Date: 2017-06-13
CITIC DICASTAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention relates to a method for improving the research and matching of the parting surface of a high-pressure casting mold, and is espe

Method used

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Embodiment 1

[0011] First of all, the molding module (lining mold, slider) of the die-casting mold is preliminarily researched and configured, and the contact area is required to exceed 70% of the parting surface area under the action of natural state or small clamping force. Including the following steps:

[0012] 1) Evenly color the parting surface of the mold;

[0013] 2) Research and match only the parting surface of dynamic and static lining molds;

[0014] 3) Use a clamping machine to cooperate with the moving and fixed molds;

[0015] 4) Mold opening;

[0016] 5) Grind and polish the hard spots on the parting surface of the movable and fixed molds (most areas are not colored, and some areas are colored);

[0017] 6) Repeat the above steps to continue research and distribution;

[0018] 7) Until the colored contact area of ​​the parting surface reaches more than 70%.

[0019] Then, the molding module (liner mold, slider) is assembled into the mold frame, and the overall mold is finely ground. I...

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Abstract

The invention provides a pressure casting die parting surface spotting method. The method is characterized by comprising the steps as follows: a molding lining mold and a slider of a pressure casting die are spotted preliminarily, and the contact area is required to exceed 70% of the area of parting surfaces in the natural state or under the smaller die clamping force; then, the molding lining die and the slider are assembled in a die frame for overall fine spotting of the die. The matching accuracy of the parting surfaces of the pressure casting die can be improved and the grinding efficiency is improved with the adoption of the method. Copper sheets in the same dimensions are uniformly distributed on the parting surfaces in the die spotting process, and the parallelism of the parting surfaces of moving and static dies is guaranteed. Finally, the contact area reaches 95% of the area of the parting surfaces or above after die matching, and the good spotting effect is realized.

Description

Technical field [0001] The invention relates to a method for fine researching and matching of high-pressure casting molds, and is particularly suitable for solving the problem of low precision of researching and matching parting surfaces of large molds. Background technique [0002] During the die-casting production process, metal flakes, also known as flashes, appear on the parting surface or the edge of the movable part of the die-casting. The existence of this defect will directly affect the surface quality of die castings, and even lead to unqualified casting dimensions. The main reasons for this defect are as follows: First, the mold fit is not tight, and the parting surface is not flush; second, the clamping force of the die-casting machine is insufficient or the adjustment is incorrect; third, the mold strength is not enough, and deformation occurs during the production process. ; Fourth, the mold parting surface is not cleaned up during production, and the mold clamping ...

Claims

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Application Information

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IPC IPC(8): B22D17/22B22C9/12
CPCB22D17/22B22C9/12
Inventor 刘兴富万雅春戴川韦春营张凤君郭平
Owner CITIC DICASTAL
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