A kind of forging process of planet carrier flange forging

A flange forging and planet carrier technology, which is applied in the field of planet carrier flange forging forging technology, can solve the problems of high forming difficulty, increased equipment work load, tissue fiber fracture, etc., so as to improve the material utilization rate and reduce the process pressure. , the effect of dense internal and external tissue

Active Publication Date: 2016-08-10
WUXI HONGDA HEAVY IND
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Problems solved by technology

Forgings have a large machining allowance, internal tissue fiber breakage, and change the fiber streamline of the planetary frame flange forging metal. The material utilization rate is very low, resulting in increased machining workload, increased equipment workload, and great waste of materials.
On the one hand, the process cost of post-forging heat treatment is increased; on the other hand, the mechanical properties of the forging are reduced, and the process pressure of performance heat treatment increases. Since the planetary carrier flange forging is a high-necked flange, the forging of the planetary carrier flange forging, its The manufacturing process is complex and the forming is difficult

Method used

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  • A kind of forging process of planet carrier flange forging

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Embodiment Construction

[0018] The following describes the forging process of the planetary carrier flange forging in conjunction with the specific planetary carrier flange:

[0019] See figure 1 As shown, a forging process for a flange forging of a planet carrier comprises the following steps:

[0020] 1. Calculate the size and cutting of forging material:

[0021] (1) Riser pressing and chamfering are carried out on the forgings at 1230-850°C, pressing square 530mm and pouring square 550mm, removing the tail, cutting square 550mm×1110mm;

[0022] (2) Upsetting the forging to Φ800mm at 1230-800°C, using the upper flat plate and the lower turntable, and pulling out 4 times according to the ultra-wide anvil drawing procedure, pressing square and inverted square;

[0023] 2. Upsetting and rounding the outer ring of the forging material: Upsetting and rounding the forgings at 1230-750°C until the diameter is Φ620mm and smooth;

[0024] 3. Punch the blind hole of the forging with the lower punch: put ...

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Abstract

The invention discloses a planet carrier flange forge piece forging process which obtains a all-fiber stream line of planet carrier flange force piece metal, and therefore reduces forge piece machining allowance, improves the material utilization rate, reduces process cost of heat treatment after forging, enables inner tissue and outer tissue of a forge piece to be compact, enhances mechanical property, and reduces heat treatment process pressure. The planet carrier flange forge piece forging process is characterized in that the process includes the following steps of (1), calculating the sizes of forging materials and blanking; (2), upsetting and rounding the outer circles of the forging materials; (3), placing the forging materials in a leak plate which is similar to a planet carrier flange in shape, upsetting and planishing in a rotating mode; (4), punching blind holes in the forging materials through a lower punch; (5), upsetting and flattening the forging materials and punching holes through an upper punch; and (6), conning the forging materials obtained from the step (5) and forming the planet carrier flange.

Description

technical field [0001] The invention relates to the technical field of forging technology of mechanical parts, in particular to a forging technology of planet carrier flange forgings. Background technique [0002] As the key system in the self-elevating platform, the lifting system, and the flange forgings in the planetary carrier are also the key parts of the lifting system. It has always been highly valued in the design and manufacture of the lifting system. Quality and use effect, the implementation of research on offshore oil drilling equipment technology is of great significance for my country to enter the manufacturing power of offshore oil drilling equipment as soon as possible. The traditional overall free forging process is combined with mechanical processing technology for production. The machining allowance of the forging is large, the internal tissue fiber is broken, and the fiber streamline of the planetary frame flange forging metal is changed. The material util...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00
Inventor 王忠安张忠明徐鼎可
Owner WUXI HONGDA HEAVY IND
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