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Powder metallurgy casting forming process

A casting molding and powder metallurgy technology, applied in the field of metal materials, can solve the problems of affecting the subsequent use of nuts, low safety factor, uneven grinding of nuts, etc., and achieve the effect of improving grinding quality and efficiency, facilitating subsequent use, and improving grinding efficiency.

Inactive Publication Date: 2021-05-28
南京中鑫汇融科技有限公司
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Problems solved by technology

[0004] However, the following problems exist in the existing nut surface grinding, a. When the traditional nut surface is polished, manual hand-held grinding equipment is required to grind the nut surface, but manual hand-held grinding is very laborious, and the safety factor is low. The grinding efficiency is low, and the iron filings generated during grinding have a great impact on the health of the staff; b. When the existing nut grinding equipment grinds the nuts, it cannot perform a comprehensive grinding operation on the nuts, and the grinding of the nuts Uneven, affecting the subsequent use of the nut

Method used

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  • Powder metallurgy casting forming process
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  • Powder metallurgy casting forming process

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Embodiment Construction

[0034]The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be embodied in various ways of claims defined and covered.

[0035]Such asFigure 1 to 8As shown, a powder metallurgical casting process mainly includes the following steps:

[0036]Step 1, the powder is mixed, the metal powder is mixed, resulting in a mixed metal powder;

[0037]Step 2, cold press molding, the metal powder obtained by the mixed completion of the mixed metal powder obtained in the step one by the powder metallurgy molding process to obtain a nut blade;

[0038]Step three, sintering treatment, the nut bladder obtained in step II for sintering operation, resulting in a nut bladder of sintering.

[0039]Step 4, steam treatment, the steam treatment of the sintering completed in step three, to obtain a nut blanks that are completed by steam treatment;

[0040]Step 5, polishing the treatment, placing the nut blanks that the steam process...

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Abstract

The invention relates to a powder metallurgy casting forming process. The powder metallurgy casting forming process mainly comprises the following steps of powder mixing, cold press forming, sintering treatment, steam treatment, polishing treatment and other procedures, and used nut polishing treatment equipment comprises a bottom plate, a polishing device, a propelling device, a rotating device and a clamping device. The powder metallurgy casting forming process can solve the following problems existing during existing nut surface polishing: a, during traditional nut surface polishing, manual handheld polishing equipment is needed to polish the nut surface, but manual handheld polishing is very labor-consuming, the safety coefficient is low, the manual nut polishing efficiency is low, and scrap iron generated during polishing has great influence on the body health of workers; and b, when the existing nut polishing equipment is used for polishing a nut, the nut cannot be subjected to comprehensive polishing operation, the polishing on the nut is not uniform, and the subsequent use of the nut is influenced.

Description

Technical field[0001]The present invention relates to the field of metal materials, and in particular, a powder metallurgy casting process.Background technique[0002]Powder metallurgy is a metal powder or a metal powder as a raw material, which has been formed and sintered, producing metal materials, composites, and various types of industrial technologies, using powder metallurgical casting technology, manufacturing nuts is currently more common production. .[0003]The nut is a nut, screwed with the bolt or screw together with a fastening force, the nut after the powder metallurgy is molded, it is necessary to polish the surface of the nut, so that the shape is more beautiful, not because of the nut The surface is uneven and injured, which is easy to use in the nut.[0004]However, the following challenges are present when the existing nut surface is polished, and the conventional nut surface is polished, and the manual hand is needed to grind the nut surface, but the manual hand is ve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/24B24B1/00
CPCB22F3/24B22F2003/247B24B1/00
Inventor 刘洋张祥海
Owner 南京中鑫汇融科技有限公司
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