A multifunctional alloy file that is easy to carry and store
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 淮安游刃精工制造有限公司
- Publication Date
- 2022-07-12
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Abstract
Description
technical field
[0001] The invention relates to the technical field of files, in particular to a multifunctional alloy file that is easy to carry and store. Background technique
[0002] There are many fine teeth and strips on the surface of the file, which are hand tools used for filing workpieces. It is used for micro-processing of metal, wood, leather and other surfaces. The application of the file is very early, the oldest file that has been found is the bronze file of Egypt around 1500 BC. Modern files are generally made of carbon steel by rolling, forging, annealing, grinding, chopping and quenching. The file is made of t12 steel, which has a hardness of 62 to 64 after surface quenching. Although the existing files can be used, with the rapid development of modern industry and various industries, their functions are far from meeting the needs of users. The user's requirements for the functions of files have been diversified, so it is urgent to develop multi-function...