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Processing method of ball seal

A processing method and ball sealing technology, applied in metal processing equipment and other directions, can solve the problems of material waste and complex process, and achieve the effect of simplifying the process, omitting cutting steps and saving raw materials

Inactive Publication Date: 2010-05-05
SHANGHAI CHANGQIANG POWER
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Problems solved by technology

[0002] At present, large-scale ball seals in the world generally adopt the free forging method, that is, the forging rod is first forged into a round tube shape, and then rough machining methods such as cutting are used on the round tube-shaped forging material to make a ball seal semi-finished product that is approximately bowl-shaped. , and then finish machining, using this preparation method to process 3.1 tons of ball seal products generally requires the use of 7 tons of raw materials, not only the process is complicated, but also the waste of materials

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Embodiment Construction

[0009] The present invention will be further described below in conjunction with the accompanying drawings.

[0010] Heating: According to the material of the forged rod, heat the forged rod to the forgeable temperature according to the conventional process, generally 1050 ° C ~ 1200 ° C;

[0011] Die forging: Place the forging rod in the bowl-shaped forging die, align the cylindrical punch attached to the upper part of the forging equipment with the middle position of the bowl-shaped forging die, and then the forging hammer of the forging equipment applies pressure to the punch to form a middle band Bowl-shaped ball seal semi-finished product with punching hole 1;

[0012] Finishing: Finishing according to the needs, such as beveling, chamfering, edging, etc., to form such as figure 1 The ball seal 1 shown is a finished product.

[0013] According to this processing method, if 3.1 tons of finished ball seals are to be prepared, only 3.9 tons of raw materials are needed, whi...

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Abstract

The invention relates to the technical field of ball seal and in particular to a processing method of a ball seal; the method is characterized in that: drop forging is adopted, a forging bar is heated to the forging temperature according to the material, and then the forging bar is arranged in a bowl shaped forging die, a cylindrical plunger chip attached at the upper part of forging equipment is aligned to the middle part of the bowl shaped forging die, a forging hammer of the forging equipment presses the upper part of the plunger chip to carry out die forging, so as to forge a bowl shaped ball seal semi-finished product with a middle punching hole one time; the bowl shaped ball seal semi-finished product is processed into the ball seal finished product in a finishing way. Compared with the prior art, the method adopts whole forging, one-time molding is ensured, and complex cutting steps are omitted, thereby not only simplifying the process and saving labor and time, but also saving raw material; only 3.9ton raw material can prepare 3.1ton finished ball seal.

Description

[technical field] [0001] The invention relates to the technical field of ball seals, in particular to a processing method for ball seals. [Background technique] [0002] At present, large-scale ball seals in the world generally adopt the free forging method, that is, the forging rod is first forged into a round tube shape, and then rough machining methods such as cutting are used on the round tube-shaped forging material to make a ball seal semi-finished product that is approximately bowl-shaped. , and then refined. Using this preparation method to process 3.1 tons of ball seal products generally requires the use of 7 tons of raw materials, which is not only complicated in process, but also causes waste of materials. [Content of the invention] [0003] In order to overcome the disadvantages of the prior art, the present invention cooperates with a special forging die and adopts a forging process to forge a bowl-shaped semi-finished product of the ball seal at one time, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B21J5/02
Inventor 周菊明
Owner SHANGHAI CHANGQIANG POWER
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