Installing and soldering technique of inlet, outlet slip ring of large-scale sliding crawler mill barrel

A process method and slip ring technology, applied in the direction of manufacturing tools, welding equipment, welding accessories, etc., can solve the problems of high technical requirements, high production cost, steel plate thickness, etc., and achieve the effect of strong operability and low production cost.

Active Publication Date: 2008-01-23
CITIC HEAVY INDUSTRIES CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

However, the technical requirements of the inlet and outlet slip rings are high, and the shape and position tolerance of the welding guarantee is strict after assembly welding. The steel plate is thick and the welding groove is large, and the welding deformation is not easy to control, and all welds require ultrasonic flaw detection. It is very difficult, especially because the welding deformation is not easy to control during the production process, and it often fails to meet the design requirements, and the correction of the deformation is labor-intensive and time-consuming, and the production cost is high

Method used

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  • Installing and soldering technique of inlet, outlet slip ring of large-scale sliding crawler mill barrel

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Embodiment Construction

[0034] As shown in Figure 1, the assembly and welding process of the inlet and outlet slip rings of the large-scale sliding shoe grinding cylinder, the specific manufacturing and assembly process is as follows:

[0035] 1. Use numerical control method to cut the motor vehicle to blank the blank of the web. The web (2) is spliced ​​by two pieces. When blanking, leave a machining allowance of 15mm for the outer circle, cut and grind the groove, and bring out the leading and arc extinguishing plates .

[0036] 2. The two spliced ​​webs (2) are welded by submerged arc automatic welding. During welding, the root is cleaned from the reverse side. During the welding process, it needs to be turned over many times to control the welding deformation and correct after welding. The flatness should not be greater than 3mm. Press Drawings require ultrasonic inspection of welds.

[0037] 3. Mark the reference line on the welded web (2) for reference during assembly, so that the joints with ...

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Abstract

The invention discloses a welding technics method of large size slipper mill barrel entrance and exit sliding ring, which adopts a strict web plate (2) and a sliding ring board shell ring (1) to manufacture welding technics, throttle, exit sliding ring welding quality and welding distortion to control, thus ensuring the geometry size accuracy and product quality of slipper mill barrel entrance and exit, and ensures the formation tolerance of the web plate (2) and the sliding ring board shell ring (1) and achieves the design requirement, which has strong operating performance and low production cost.

Description

Technical field: [0001] The invention relates to the technical field of large-scale sliding shoe mill cylinder equipment manufacturing, in particular to a welding process method for the inlet and outlet slip rings of the large-scale sliding shoe mill cylinder. Background technique: [0002] At present, the maximum diameter of the sliding shoe grinding cylinder produced in my country is 5.4M, and the length of the cylinder is between 13M and 17M. The core and key part, that is, the difficulty of production, is the assembly and welding of the inlet and outlet slip rings. However, the technical requirements of the inlet and outlet slip rings are high, and the shape and position tolerance of the welding guarantee is strict after assembly welding. The thickness of the steel plate and the welding groove are large, and the welding deformation is not easy to control. It is very difficult, especially because the welding deformation is not easy to control during the production process...

Claims

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Application Information

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IPC IPC(8): B23K9/18B23K9/235B23K9/095B23K9/32B23K31/00
Inventor 白金生段世新
Owner CITIC HEAVY INDUSTRIES CO LTD
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