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Explosive Welding Method of Ring Composite Structure

A technology of explosive welding and composite structure, applied in welding equipment, non-electric welding equipment, metal processing equipment, etc., can solve the problems of waste of metal materials and processing processes, achieve the effect of improving the quality of explosive welding, reducing waste, and overcoming limitations

Active Publication Date: 2022-03-29
HUBEI JINLAN SPECIAL METAL MATERIAL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the size and structure, it causes double waste of metal materials and processing

Method used

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  • Explosive Welding Method of Ring Composite Structure
  • Explosive Welding Method of Ring Composite Structure
  • Explosive Welding Method of Ring Composite Structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0034] A kind of annular composite structure explosive welding process method proposed by the present invention, the specific implementation operation steps are as follows:

[0035] S1: substrate treatment

[0036] Choose Q345R (40*Φ790 / Φ640) as the substrate, and use a grinding wheel for grinding and polishing, so that the joint surface is completely exposed to metallic luster, the surface is smooth and smooth, and the roughness is less than 6.3μm;

[0037] S2: Composite material processing

[0038] Choose TA2 (3*Φ830 / Φ600) as the composite material, use a thousand impeller or grinding wheel to polish the joint surface as a whole, remove the oxide layer on the joint surface, completely reveal the metallic luster, the unevenness of the composite board surface <3mm / m, the roughness < 3.2μm;

[0039] S3: pairing

[0040] Pair the composite material with the base material to operate the explosion operation point; place the base material horizontally on the fort (foundation), p...

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Abstract

The invention discloses an explosive welding method for a ring-shaped composite structure. The ring-shaped composite structure includes a ring-shaped base material and a ring-shaped compound material located above the base material, and a plurality of ring-shaped and uniformly distributed supports are arranged between the base material and the compound material. body, the end of the composite material away from the base material is provided with an annular charge frame along both sides of the inner and outer edges, which is used to fill explosives for explosive welding. The support rod of the frame, and a detonator for detonating explosives is inserted into the charge frame, and the detonator is connected with two semicircular and symmetrically distributed detonating cords. The invention adopts the ring-shaped line detonation process method, and the ring-shaped composite material is obtained by one-time explosion molding, and the method is simple in operation, high in processing efficiency, low in material cost and manufacturing processing cost, and greatly improves material utilization rate and economic benefits.

Description

technical field [0001] The invention relates to the technical field of explosive welding, in particular to an explosive welding method for an annular composite structure. Background technique [0002] Annular composite joints are generally used for welding transitions of dissimilar metals. The link itself cannot directly use two metals that are melted and welded. It is mainly used for transition links between metal parts, equipment, pipes and lines, and pipes and pipes. At present, the annular composite joint is mainly made of a large-area overall explosion into a composite plate, and then the method of cutting and machining is used to make the annular composite joint. However, due to the size and structural form, it causes double waste of metal materials and processing. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes an explosive welding method for annular composite structures, which...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K20/08B23K20/24B23K20/26
CPCB23K20/08B23K20/24B23K20/26
Inventor 杨超周佐玉周庭方中华王帅
Owner HUBEI JINLAN SPECIAL METAL MATERIAL
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