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Pressure casting process for bearing block

A casting process and bearing seat technology, applied in the field of bearing seat pressure casting technology, can solve the problems of difficult to achieve mechanization and automation, increase processing equipment and man-hours, low precision and hardness, etc., to improve metal utilization, reduce processing equipment and Working hours, good product quality

Inactive Publication Date: 2012-07-04
南通新景华企业管理服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, die-casting alloys are no longer limited to non-ferrous metals such as zinc, aluminum, magnesium and copper, and are gradually expanded to be used for die-casting cast iron and steel castings. The traditional die-casting method of bearing seats has the following disadvantages: poor product quality, precision, hardness Low, increased a large number of processing equipment and man-hours, low production efficiency, difficult to achieve mechanization and automation

Method used

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Embodiment Construction

[0018] In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with examples, which are only used to explain the present invention and do not constitute a limitation to the protection scope of the present invention.

[0019] A specific embodiment of the pressure casting process of the bearing seat of the present invention includes the following steps:

[0020] A. Install the mold;

[0021] B. Preheat the mold, the preheating temperature is 180-220°C;

[0022] C. Clean the mold;

[0023] D. Spray paint on the mold;

[0024] E. Place the mold on the mold clamping device for mold clamping;

[0025] F. Select the injection specific pressure and filling speed, the fast pressure range is 250-, the slow pressure range is 0-250mm, inject liquid metal into the cavity and fill the cavity;

[0026] The selection of injection specific pressure should be determined according to the structural characteristics of...

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PUM

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Abstract

The invention discloses a pressure casting process for a bearing block, which includes the steps: mounting a die; preheating the die; cleaning the die; spraying coatings on the die; placing the die on a die assembly device for die assembly; selecting injection pressure and filling speed; injecting liquid metal into a cavity and leading the cavity to be filled with the liquid metal; continuing injection under the action of an injection plunger until the liquid metal filled to a flow gate of the cavity is completely solidified; taking out a casting by opening the cavity after maintaining pressure; and cleaning the casting. The pressure casting process has the advantages that fine product quality is ensured, precision, strength and hardness are high, machining amount is small, large quantities of machining equipment and machining time are reduced, metal utilization rate is increased, both assembly time and the metal are saved, production efficiency is high, and mechanization and automation are easy to realize.

Description

Technical field: [0001] The invention relates to a pressure casting process of a bearing seat. Background technique: [0002] Die casting of bearing seat is one of the most advanced metal forming methods. It is an effective way to achieve less chips and no chips. It is widely used and developed rapidly. At present, die-casting alloys are no longer limited to non-ferrous metals such as zinc, aluminum, magnesium and copper, and are gradually expanded to be used for die-casting cast iron and steel castings. The traditional die-casting method of bearing seats has the following disadvantages: poor product quality, precision, hardness Low, increased a large number of processing equipment and man-hours, low production efficiency, difficult to achieve mechanization and automation. Invention content: [0003] The purpose of the present invention is to overcome the above deficiencies and provide a pressure casting process for bearing housings that ensures good product quality, high...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D17/00
Inventor 黄霞黄凌朱
Owner 南通新景华企业管理服务有限公司
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