Cold heading sleeve processing process

A processing technology and cold heading technology, which is applied in the field of cold heading sleeve processing technology, can solve the problems of unstable size of blank assembly, large blank allowance for red punching, irregular shape, etc., and achieve stable size and less processing allowance. , the effect of saving processing costs

Active Publication Date: 2014-06-11
NINGBO COFAR HOSE & FITTINGS
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Problems solved by technology

[0002] The traditional means of crafting is outsourcing The rough round, blanked by a punching machine, weighing about 621.9g, is processed into a rough after annealing and shaping, and is used Solid bar, the weight of the forming blank is 621.9g, the margin of the red blank is large, the output is too slow, the shape is irregular, the deformation is large, and the size of the blank assembly is unstable

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  • Cold heading sleeve processing process

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Embodiment Construction

[0018] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0019] like figure 1 Shown, a kind of cold heading sleeve processing technique of the present invention, concrete steps are as follows:

[0020] (1) Screen and inspect the blank material. According to the specific requirements of the product, carry out the corresponding incoming inspection on the blank, and select the appropriate size blank material. The blank is a round bar with a diameter of 39mm and a weight of 390g. ;

[0021] (2) Select a multi-station cold heading machine for direct cold heading forming, and process it into the required product size through four times of cold heading;

[0022] (3) The chamfering of the outer circular flat...

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Abstract

The invention discloses a cold heading sleeve processing process, which comprises the following concrete steps: (1) screening and inspecting blank materials, carrying out corresponding incoming inspection on the blanks according to the specification of a product, and selecting the blank materials with right size, wherein the blanks are round bar materials with the diameter of 39mm and the weight of 390g; (2) selecting and using a multistage cold former for direct cold heading form, and processing to obtain required product size through four times of cold heading; (3) turning excircle chamfering R1 of the blanks, and inspecting if the product is qualified or not after chamfering; (4) rough machining an inside groove reserved by the blanks, finishing machining the inside groove, and carrying out product inspection on the blanks after finishing machining the inside groove; (5) electroplating the blanks; and (6) packaging and storing the finished products after electroplating. For each product, the blank usage amount is saved by 231.9g, so that the cost is reduced by 37.29 percent, the processing difficulty is reduced, the consumption is reduced, the processing cost is saved, and meanwhile, the production efficiency is improved.

Description

technical field [0001] The invention relates to a cold heading sleeve processing technology. Background technique [0002] The traditional craft means is outsourcing The rough round, blanked by a punching machine, weighing about 621.9g, is processed into a rough after annealing and shaping, and is used For solid bar material, the weight of the forming blank is 621.9g. The margin of the red blank is large, the output is too slow, the shape is irregular, the deformation is large, and the size of the blank assembly is unstable. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a cold heading sleeve processing technology with less machining allowance, tool saving, uniform appearance, stable size, reduced processing difficulty, reduced consumption, reduced processing cost and improved production efficiency. [0004] The present invention is achieved through the following technical solutions: a cold heading sleeve pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 方家伟
Owner NINGBO COFAR HOSE & FITTINGS
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