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Manufacturing method of composite board base for rolling composite board

A technology of composite slab and production method, applied in the field of composite plate rolling, can solve the problems that products cannot meet the needs of various customers, large investment, complicated operation, etc., achieve good promotion and use value, avoid large investment, and simplify operation. The effect of craftsmanship

Inactive Publication Date: 2017-09-19
HBIS COMPANY LIMITED HANDAN BRANCH COMPANY
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The current welding process under vacuum conditions has the characteristics of large investment and relatively complicated operation, which cannot meet the requirements of the current rapid development of production, and the products cannot meet the needs of various customers.

Method used

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  • Manufacturing method of composite board base for rolling composite board

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Embodiment Construction

[0026] The process method of the present invention is: stack several slabs 1 up and down, weld and seal the gaps around the slabs 1, leave a vacuumed steel pipe 2 between the welds, and pass the gap between the slabs 1 between the evacuated steel pipes 2 Carry out vacuum treatment, and finally seal and weld the evacuated steel pipe 2 to make the gap between the slabs 1 form a vacuum state, then heat through a heating furnace, and finally roll the composite slabs together to form them.

[0027] The present invention adopts following steps to carry out:

[0028] a. Blank preparation. The two slabs 1 are cut into geometric dimensions with the same length and width, and then the joint surfaces are polished and cleaned, and the welding grooves around the joint surfaces are polished with a grinder.

[0029] b. Billet welding. The two slabs 1 are stacked up and down together for welding. The welding process adopts argon arc welding for priming. Diameter vacuumed steel pipe 2.

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Abstract

The invention relates to a manufacturing method of a composite board base for rolling a composite board, belongs to the technical field of composite board rolling methods, and is used for manufacturing the composite board base of the rolled composite board. According to the technical scheme, the manufacturing method comprises the steps that a plurality of board bases are overlapped up and down, gaps in the periphery of the board bases are sealed in a welding mode, vacuumizing steel tubes are reserved between welding beads, and vacuumizing treatment is conducted on gaps between the board bases through the vacuumizing steel tubes; and finally, the vacuumizing steel tubes are sealed and welded to enable the gaps between the board bases to form a vacuum state, then heating is conducted through a heating furnace, and finally, the composite board base is rolled together and formed by a rolling mill. According to the manufacturing method of the composite board base for rolling the composite board, the imagine that the vacuum state is achieved between the board bases under a non-high vacuum condition is achieved, breakthrough and progress are achieved in an existing process technology, and the equipment investment for manufacturing the composite board base is greatly reduced; and further, the operation technology is simplified, technical assurance is provided for expansion of the production scale and promotion of the product output, conditions are created for meeting demands of rapid development of current production, and excellent popularizing and using values in the industry are achieved.

Description

technical field [0001] The invention relates to a method for manufacturing a composite slab for rolling a composite plate, in particular to a composite slab suitable for composite rolling of a medium-thick plate, and belongs to the technical field of composite plate rolling methods. Background technique [0002] Composite plate rolling technology is a plate production technology developed at the end of the last century, and it has been widely used at present. The composite plate rolling technology is to stack and combine billets of different materials together, heat them to a certain temperature, and then roll them to the required specifications and sizes by a medium and thick plate rolling mill, so that the billets of different materials will be tightly combined , to become a composite sheet. The base material of the composite plate can use various ordinary carbon steel and special steel such as Q235B, Q345R, and the cladding material can use various grades of special stee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 许斌张晓力张宏昌步凯郑首忠张尚平李明
Owner HBIS COMPANY LIMITED HANDAN BRANCH COMPANY
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