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Manufacturing process of adjusting nut

A technology for adjusting nuts and manufacturing processes, applied to nuts, threaded fasteners, metal processing equipment, etc., can solve the problems of difficult processing, waste of materials, and lack of corresponding guarantee of quality, so as to achieve tight material structure, Ensure product quality and the effect of reducing the amount of consumables

Inactive Publication Date: 2010-01-06
NINGBO ANCHOR FASTENERS INDAL
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  • Summary
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AI Technical Summary

Problems solved by technology

[0002] The adjusting nut is an important part of the automobile engine. With the popularization of automobiles in people's daily life, the demand for automobiles is also increasing. At present, the domestic production of this product mostly adopts the processing methods of cutting materials and car repairing. The comprehensive performance of its process equipment and products cannot meet the requirements of domestic and foreign markets. Its production not only wastes materials, but also has complicated procedures, difficult processing and low efficiency Low, the quality is not guaranteed

Method used

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  • Manufacturing process of adjusting nut

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Embodiment Construction

[0020] see figure 1 , a manufacturing process for adjusting nuts, the steel billet raw material is made into a round material, and then the round material is subjected to phosphate surface treatment, and then the rough round material is subjected to spheroidizing annealing, phosphate film treatment, fine Pumping and sizing treatment, and finally the forming process of the adjusting nut in the cold heading forming machine, which specifically includes the following steps:

[0021] (1) Automatically cut the disc round material after precise drawing and sizing into a single adjusting nut blank in the cold heading machine;

[0022] (2), utilize the clamping of mechanical fixture to send described adjusting nut blank to the 1 die mouth of cold extrusion die, the punching tool of 1 mold pushes the adjusting nut blank into the die, because the die There is a ejector rod on the top plug at the rear end, and the inner wall at the bottom of the die is chamfered. Under the extrusion of t...

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Abstract

The invention discloses a manufacturing process of an adjusting nut. The steel billet raw materials are manufactured into wire rod materials, surface treatment is performed on the wire rod materials by using phosphate, spheroidizing annealing, phosphating and fine-drawing and sizing treatment are respectively performed on the wire rod materials after roughing, and finally, the molding working procedure of the adjusting nut is carried out in a cold-heading molding machine; the molding working procedure of the adjusting nut comprises the following steps: material fracturing; material shaping and upsetting, upsetting an inner chamfer at the upper end; material turning, shaping and upsetting a positioning hole at the upper end and an inner chamfer at the lower end; material translating, upsetting a counterbore at the front end and a positioning hole at the rear end; material turning, upsetting a counterbore at the other end; material translating, upsetting a plane in the middle by using the PKO male die technology; discharging the residual scrap iron at a middle hole out and manufacturing a through hole product; and performing tapping to an inner hole of a blank of the adjusting nut. The invention is molded at one time by adopting a cold heading machine, thereby improving the production efficiency and the product quality of the adjusting nut, saving the raw material and reducing the manufacturing cost.

Description

technical field [0001] The invention relates to the field of manufacturing technology of an adjusting nut. Background technique [0002] The adjusting nut is an important part of the automobile engine. With the popularization of automobiles in people's daily life, the demand for automobiles is also increasing. At present, the domestic production of this product mostly adopts the processing methods of cutting materials and car repairing. The comprehensive performance of its process equipment and products cannot meet the requirements of domestic and foreign markets. Its production not only wastes materials, but also has complicated procedures, difficult processing and low efficiency Low, and the quality is not guaranteed accordingly. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a manufacturing process of the adjusting nut, which adopts a cold heading machine for one-time forming, and there is almost no loss of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B21K1/68B21J5/10
Inventor 林正佳张金清
Owner NINGBO ANCHOR FASTENERS INDAL
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