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Fushun Special Steel applied for a large frame bolt hole repair method patent, simple technology to

   2024-02-22 10
Tips:On February 21, 2024, according to the announcement of the State Intellectual Property Office, Fushun Special Steel Co., Ltd. applied for a project entitled A large rack bolt hole repair method, publi

On February 21, 2024, according to the announcement of the State Intellectual Property Office, Fushun Special Steel Co., Ltd. applied for a project entitled "A large rack bolt hole repair method", public number CN117564606A, the application date is December 2023.


The patent abstract shows that the invention discloses a method for repairing bolt holes of a large frame, aiming to solve the problem of repairing bolt holes of a large frame by using simple technology. The technical scheme of the invention: repairing the bolt hole by inlaying method, processing a bolt hole in advance, and choosing the same material as the frame as far as possible; When the rack bolt hole is damaged, use a portable drilling machine head to process the damaged bolt hole into a large hole. The diameter of the large hole is an interference fit with the bolt hole, insert the bolt hole into the large hole, and weld the bolt hole to the rack by welding. The invention has the advantages of simple and practical device and small investment; The method of insert welding is used to repair the bolt hole, which is convenient for field operation, meets the production demand and has good economic benefit.


 
 
 
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