A method for forging with a 1800-ton diameter forging machine

A radial forging machine and manipulator technology, applied in the direction of forging/pressing/hammering machinery, manufacturing tools, forging/pressing/hammer devices, etc., can solve the problems of affecting the shape and quality of forging materials, increasing costs, and increasing waste of resources. Achieve the effects of eliminating bending, reducing hot saw cutting loss, and increasing economic benefits

Active Publication Date: 2016-08-24
SHANXI TAIGANG STAINLESS STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Affect the appearance quality of forged materials
In order to ensure that the shape requirements of the user are met, the waste of resources caused by cutting off the curved part is virtually increased, resulting in an increase in cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The raw material for forging in this embodiment is 45 steel with a specification of 490×490 mm and a length of 3310 mm, which is forged into a bar with a diameter of Ф350 mm and a tolerance of -2 to +8. It adopts automatic four-pass plus manual forging for a total of five passes.

[0023] This embodiment is the following sequential steps:

[0024] 1 Clamp the forging blank on the GFM1800-ton diameter forging machine M1 machine operator, start the first pass of forging (chamfering), start the forging hammer head, the reduction is 90mm, and forge the original forging blank to a diagonal of 596mm octagonal blanks.

[0025] The process is that the M1 machine operator located on the side of the forging hammer moves towards the direction of the forging hammer of the radial forging machine, and advances at a speed of 5 meters per minute. The blank contacts the forging hammer and starts forging. ). The M1 machine operator continues to move the billet through the other side o...

Embodiment 2

[0038] In this embodiment, the forging section is 400×400mm 2 forged billet, forged to a section of 200×200mm 2 billet, the tolerance is 0~+10. It adopts automatic three-pass forging and manual two-pass forging for a total of five passes.

[0039] This embodiment is the following sequential steps:

[0040] 1. Clamp one end of the forging billet to the M1 manipulator of the GFM1800-ton diameter forging machine. For the first forging pass, start the forging hammer head with a reduction of 60 mm to forge the original forging billet into a cross-section of 340×340mm 2 The first forging billet.

[0041] The process is that the M1 manipulator and the M2 manipulator rotate 45 degrees at the same time (it is not due to human or equipment reasons, after 45 degrees of rotation, it will not rotate again until the billet forging is completed), so that the plane of the billet is parallel to the forging hammer head. The M1 manipulator moves towards the direction of the forging hammer he...

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PUM

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Abstract

The invention relates to a forging method of a 1800-t radial forging machine. A round blank forging method includes the steps of first-time forging to Nth-time forging; when the Nth-time forging is carried out, a round blank obtained through the N-1th-time forging is still clamped on an M1 operating machine, automatic forging is switched into manual control, the round blank obtained through the N-1th-time forging is fed in the direction of an M2 operating machine in an air mode, different-side clamping is manually started, the size of a forging hammer and the specification of a finished product are manually input, manual control is carried out, the M1 operating machine moves backwards, the round blank is pushed by the M1 operating machine in the direction of the M2 operating machine to the clamping position of the M2 operating position, then automatic forging is selected, the round blank is clamped by the M2 operating machine for secondary drawing, and the next-time forging is implemented. The difference between a square blank forging method and the round blank forging method is that when the N-1th-time forging and the Nth-time forging are carried out, one-time drawing is carried out through manual control. Forged-head bending at the two ends of the forged blank forged with the forging method is avoided.

Description

technical field [0001] The invention relates to a forging method of a 1800-ton diameter forging machine, specifically a method for forging a round billet and a forging square billet of a GFM 1800-ton diameter forging machine. Background technique [0002] The applicant's GFM 1800t radial forging machine is currently the largest radial forging machine in the world, with an annual production capacity of 100,000 tons of forging materials, including: square steel, flat steel, round steel, stepped shafts, and forged pipes. The product variety involves carbon steel, bonded steel, die steel, CrNi stainless steel, petroleum steel and other varieties. The product specification is ∮560~∮80, the raw material weight is 10 tons, and the longest forging material can be produced with a length of 22 meters. . With the marketing model, the change from a seller's market to a buyer's market. Users have higher and higher requirements for products in terms of cost of use. Not only the interna...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21J5/00B21J13/10
Inventor 史明亮杨岚斌李生辉乔晓梅
Owner SHANXI TAIGANG STAINLESS STEEL CO LTD
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