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A method for pouring gears

A gear and gear-to-gear technology, applied in the direction of belts/chains/gears, rotors, engine components, etc., can solve problems such as gear casting, and achieve the effect of not easy to crack

Inactive Publication Date: 2017-01-11
TIANSHUI SPARK MACHINE TOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a method for casting gears, which aims to solve the problems of casting gears in the prior art

Method used

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Embodiment Construction

[0013] The present invention provides a method for pouring gears. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0014] A method for pouring a gear, wherein the method is to pour the gear twice or more times, and after one pour is completed, the temperature of the pouring liquid or the composition of the pouring liquid is changed before the next pouring, the gear wall and the tooth portion The properties required after molding are different, so the gear wall and the tooth part are poured separately. Because ordinary molten iron is poured, after the final molding, it lacks toughness, and the gear wall needs to have toughness. In the present invention, it is preferable to change the casting after one casti...

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Abstract

The invention discloses a method for pouring a gear. According to the method, the gear can be poured for two or more times, the temperature or ingredients of pouring liquid is or are changed to perform next pouring when the last pouring the finished, different parts of the gear are poured under different conditions, therefore, the tooth portion of the gear has certain toughness to prevent from cracks, and tooth walls do not deform or crack.

Description

technical field [0001] The invention relates to the field of gear casting, in particular to a gear casting method. Background technique [0002] In the prior art, the casting product is one-time molding, and the internal structure and surface performance parameters of the casting product are exactly the same. In the gear, the inside of the tooth part is required to have a certain toughness to prevent cracks, and the outside of the tooth part is hard and wear-resistant. At the same time, the tooth wall There must be a certain degree of toughness, because the gear wall and the teeth are required to have different characteristics after forming, and ordinary one-time forming will make the two have the same properties and reduce the quality of the product. [0003] Therefore, the prior art still needs to be improved and developed. Contents of the invention [0004] In view of the shortcomings of the prior art above, the purpose of the present invention is to provide a method f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D19/00B22D19/16
Inventor 刘智峰彭治平
Owner TIANSHUI SPARK MACHINE TOOL