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Manufacturing method of special-shaped ring forge piece of booster kettle flange

A manufacturing method and technology of special-shaped rings, applied in the direction of manufacturing tools, forging/pressing/hammering machinery, metal rolling, etc., can solve the problems of corresponding to a set of moulds, no market competitiveness, and increasing the size of the kettle, so as to achieve the guarantee The effect of metal flow state, shortening manufacturing cost, and improving yield

Pending Publication Date: 2022-04-08
AVIC EXCELLENCE FORGING WUXI
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  • Claims
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AI Technical Summary

Problems solved by technology

[0003] There are certain disadvantages in the existing manufacturing method of the special-shaped ring forging of the flange of the pressurized kettle. First, because the height of the kettle cover and the kettle body is generally not more than 400mm, and the specifications of the kettle are increased, the tooling cost cannot One specification corresponds to one set of molds, which is not conducive to people's use. In addition, because the industry is low-price competition, if rolling with a rectangular cross-section, the production cost is high and there is no market competitiveness, which brings certain difficulties to people's use process. Adverse effects, for this reason, we propose a method for manufacturing special-shaped ring forgings of pressurized kettle flanges

Method used

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  • Manufacturing method of special-shaped ring forge piece of booster kettle flange
  • Manufacturing method of special-shaped ring forge piece of booster kettle flange
  • Manufacturing method of special-shaped ring forge piece of booster kettle flange

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Embodiment

[0031] Such as Figure 1-5 Shown, a kind of manufacturing method of booster kettle flange special-shaped ring forging, comprises the following operation steps:

[0032] S1: Prepare the materials and tools needed to prepare the special-shaped ring forgings of the pressurized kettle flange, including forging blanks, automatic blanking devices, punching devices, pre-rolling devices, rolling devices, heat treatment devices and processing devices;

[0033] S2: Lead the forging billet into the inner position of the automatic blanking device, and feed the material through the automatic blanking device. After feeding, first perform the billet making operation, and then perform punching processing after the billet making is completed, and then pre-rolling processing;

[0034] S3: Carry out forming processing on the lid of the kettle, first pre-roll the billet, then replace the special-shaped one-piece main roll, and then roll into shape, the rolling amount does not exceed 1000mm;

[0...

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Abstract

The invention discloses a method for manufacturing a special-shaped ring forge piece of a pressurizing kettle flange, which comprises the following operation steps of: forming a kettle cover, pre-rolling a blank, replacing a special-shaped integrated main roller, rolling and forming, forming a kettle body, pre-rolling until an inner hole of the blank is larger than the maximum diameter of an integrated core roller, replacing the special-shaped integrated core roller, and forming the special-shaped ring forge piece of the pressurizing kettle flange. And then rolling and forming. According to the manufacturing method for the special-shaped ring forge piece of the pressurizing kettle flange, the core roller and the main roller are designed, a near-net forming mode is adopted, a kettle body and a kettle cover are rolled through a horizontal ring rolling machine, special-shaped rolling forming is adopted according to the product structure, a forming die is reasonably designed, and a performance heat treatment system is optimized; according to the special-shaped rolling production mode, the utilization rate of raw materials is increased, the production cycle is shortened, the manufacturing cost is reduced, the metal flow direction state of the product is guaranteed to the maximum extent, the comprehensive mechanical property of the product is further improved, and the market competitiveness of enterprises is further improved.

Description

technical field [0001] The invention relates to the field of booster stills, in particular to a method for manufacturing a special-shaped ring forging of a booster still flange. Background technique [0002] The manufacturing method of flange special-shaped ring forgings in booster kettle is a method for preparing special-shaped ring forgings. Booster kettle is a kind of equipment for pressurizing concrete blocks by steam. It belongs to medium and large pressure vessels and is widely used in petroleum, In chemical industry, pipe pile and other industries, due to the vigorous development of the real estate industry, there is a great demand for energy-saving and environmental protection products such as pipe piles and aerated bricks. Therefore, the demand for booster kettles has increased sharply in recent years. , kettle cover, etc., because the pressurized kettle has a toothed quick-opening device with a spherical crown head, the kettle cover and the kettle body need to be q...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21H1/06B21J5/00B21J5/02B21J13/02
Inventor 郭亮陶钧伟王永锋
Owner AVIC EXCELLENCE FORGING WUXI
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