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Casting technology for high-strength bearing connector

A technology of bearing connectors and casting technology, which is applied in the direction of manufacturing tools, casting molding equipment, casting molds, etc., can solve the problems that the precision of castings cannot be effectively guaranteed, many casting processes, and high scrap rate, so as to avoid quality defects and reduce production cost, productivity improvement effect

Inactive Publication Date: 2016-06-15
宁波吉威熔模铸造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The casting process of the bearing connector is very complicated. However, in the current casting process of the crankshaft, the hardness of the finished casting is not enough. Not only are there many casting processes, which affects the production capacity, but the accuracy of the casting cannot be effectively guaranteed, and the scrap rate is high.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] 1. A casting process for a high-strength bearing connector, characterized in that: the method comprises the following steps:

[0018] (1) Resin sand is used as raw material, and the percentage content of its composition is as follows: resin 2%; curing agent 0.8%; the rest is molding sand;

[0019] (2) Use described resin sand to make sand mold, form resin sand mold after matching mold box, and the axis line of described resin sand mold is perpendicular to the horizontal plane when making, and the axis line of described resin sand mold after completion Parallel to the horizontal plane, the resin sand mold forms a sprue of ￠80mm and an ingate of ￠40mm and is poured in a single piece, and the sprue and the ingate are connected through a longitudinal track;

[0020] (3) For the production of pouring liquid, the percentage content of the chemical composition of the raw materials is as follows: C: 5.4-%; Si: 5.0%; Mn: 1.5%; P: 0.17%; S: 0.12%; Mg: 0.05%; Re: 0.02%; Cu: 1.4%,...

Embodiment 2

[0025] A casting process for a high-strength bearing connector, the method comprising the following steps:

[0026] (1) Resin sand is used as raw material, and the percentage content of its composition is as follows: resin 2%; curing agent 0.8%; the rest is molding sand;

[0027] (2) Use described resin sand to make sand mold, form resin sand mold after matching mold box, and the axis line of described resin sand mold is perpendicular to the horizontal plane when making, and the axis line of described resin sand mold after completion Parallel to the horizontal plane, the resin sand mold forms a sprue of ￠80mm and an ingate of ￠40mm and is poured in a single piece, and the sprue and the ingate are connected through a longitudinal track;

[0028] (3) For the production of pouring liquid, the percentage content of the chemical composition of the raw materials is as follows: C: 5.6%; Si: 5.2%; Mn: 1.6%; P: 0.17%; S: 0.12%; Mg: 0.1%; Re: 0.025 %; Cu: 1.4-1.6%, the rest is Fe;

[...

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PUM

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Abstract

The invention discloses a casting process of a high-strength bearing connector, which comprises the following steps: (1) using resin sand as a raw material, (2) using the resin sand to make a sand mold, and forming a resin sand mold after matching a mold box; (3) ) making pouring liquid, (4) heating the above-mentioned raw materials to the smelting temperature in an electric furnace, (5) pouring the casting liquid into the resin sand mold through a centrifugal process, and forming a bearing connector casting after solidification; (6) The casting of the bearing connector in step (5) is processed and formed by machine tool finishing. The casting process of the high-strength bearing connector of the present invention is simple and of high quality.

Description

technical field [0001] The invention belongs to the field of manufacturing technology of a shaft coupling, and in particular relates to a casting technology of a high-strength bearing connector. Background technique [0002] The casting process of the bearing connector is very complicated. However, in the current casting process of the crankshaft, the hardness of the finished casting is not enough. Not only are there many casting processes, which affects the production capacity, but the accuracy of the casting cannot be effectively guaranteed, and the scrap rate is high. . Contents of the invention [0003] (1) Technical problems to be solved [0004] The technical problem to be solved by the present invention is to propose a casting process of a high-strength bearing connector, which is simple in process and high in precision. [0005] (2) Technical solution [0006] In order to solve the above technical problems, the technical solution adopted in the present invention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C9/22B22C9/02B22C1/22C22C37/10
CPCB22C9/22B22C1/22B22C9/02C22C37/10
Inventor 罗绍康
Owner 宁波吉威熔模铸造有限公司
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