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Forming process of stainless steel hemispherical end socket

A molding process, stainless steel technology, applied in the field of stainless steel hemispherical head molding technology, can solve the problems of large degree of product material degradation, inability to form at one time, long time for mold installation, etc., to reduce the risk of use environment, reduce bulging and cracking Situation, improving the effect of head material structure

Inactive Publication Date: 2018-06-01
YIXING HOKKAI HEAD PLATE
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] At present, the hemispherical heads used for pressure vessels and food containers have the following defects: 1. According to the head specifications, a large press is required for stamping, and even if the press capacity is sufficient, the material of the product will deteriorate after direct stamping; 2. Large It takes a long time to install the mold on the press. If the number of stamped products is small, the work efficiency will be greatly reduced and the production cost will be increased; 3. Due to the large deformation of the spherical head, the pressure of small stamping is not enough, and it cannot be formed at one time, and it is easy to cause the head Bulging and Cracking

Method used

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Embodiment Construction

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below.

[0021] A molding process of a stainless steel hemispherical head provided by the invention comprises the following steps:

[0022] 1) Cutting circle: Cutting by plasma cutting machine according to the specified cutting;

[0023] 2) Stamping: Stamping is carried out by a 2000-ton stamping machine equipped with a PHH1100R1100-8AB1100 mold;

[0024] 3) Welding equipment: welding equipment for solid solution;

[0025] 4) Solid solution: heat treatment according to the solid solution temperature of stainless steel;

[0026] 5) Unloading tooling: remove solid solution tooling;

[0027] 6) Pre-groove: Put the head on the groove rotating platform, and use a MAX250 plasma torch to remove the groove when unloading and assembling the carbon planer gap;

[0028] 7) Pre-pickling: remove the oxide produced on the surface of the head during heat treatment;

[0029...

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PUM

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Abstract

The invention discloses a forming process of a stainless steel hemispherical end socket. The forming process comprises the following steps of (1) rounding, (2) stamping, (3) tool welding, (4) solid dissolving, (5) tool unloading, (6) pre-beveling, (7) pre-acid pickling, (8) secondary stamping formation, (9) beveling, (10) acid pickling, (11) checking and (12) storage. The forming process improvesthe inherent quality of products, improves the material texture of the end socket and reduces the internal stress of the products.

Description

technical field [0001] The invention relates to the application field of pressure vessels and food containers, in particular to a forming process of a stainless steel hemispherical head. Background technique [0002] At present, the hemispherical heads used for pressure vessels and food containers have the following defects: 1. According to the head specifications, a large press is required for stamping, and even if the press capacity is sufficient, the material of the product will deteriorate after direct stamping; 2. Large It takes a long time to install the mold on the press. If the number of stamped products is small, the work efficiency will be greatly reduced and the production cost will be increased; 3. Due to the large deformation of the spherical head, the pressure of small stamping is not enough, and it cannot be formed at one time, and it is easy to cause the head Bulging and cracking. Contents of the invention [0003] In order to solve the problems existing i...

Claims

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Application Information

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IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 胡正强陈建东张斌锋
Owner YIXING HOKKAI HEAD PLATE
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