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Method of producing cutting tool steel board with three layer complex blades

A manufacturing method and layer-composite technology, applied in the direction of manufacturing tools, metal rolling, metal rolling, etc., can solve the problems of difficult control of process conditions, high production cost of composite products, and difficult control of product quality, and easy to achieve quality. The effect of control, easy control of process conditions and low production cost

Active Publication Date: 2007-09-12
辽宁新华阳伟业装备制造有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

This three-layer composite blade cutting tool steel plate needs to be prepared by an explosive method, and the three-layer composite blade is prepared by argon arc welding. The quality is unstable, and the production cost of composite products is high. In addition, the process of explosive composite is dangerous and has a great impact on the environment. The weld seam of argon arc welding is cast, and the structure of the knife body is uneven, which also affects the quality.

Method used

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Embodiment Construction

[0013] According to the cutting tool steel plate of the three-layer composite blade manufactured by the present invention, the body of the knife body is a single-layer steel plate of blade steel, the blade is a three-layer composite plate, the middle layer steel plate of the three-layer composite plate is a blade steel plate, and the two side layer steel plates It is a blade steel plate. Blade steel is a steel with high strength, high hardness, good toughness, and good anti-rust performance. Steel with good rust performance and excellent comprehensive mechanical properties, especially steel with hardness HRC≥55 after quenching, such as high-quality carbon structural steel with a carbon content greater than 0.6%, carbon tool steel, alloy tool steel, spring steel, bearings Steel, etc., are also useful for unique, secretive special blade steel. Blade steel can be selected ordinary carbon steel for use, and for anti-rust and attractive in appearance, blade steel also can be selec...

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Abstract

The process of making three-layered composite steel plate for cutting tool includes the following steps: taking one thin rod of cutter edge steel and one thick rod of cutter body steel, coaxially compounding these two rods through drilling hole and embedding, heating the compounded rod and forging and welding radially in a forging machine in the deformation of 50 %, heating the forged and welded plate and rolling axially in a rolling mill for welding in the thickness deformation rate not lower than 80 %, heat treatment, rolling and fixing, and splitting the plate along the axis to obtain 2 three-layered composite steel plates for cutting tool. The present invention has high compounding strength, stable product quality, low product cost.

Description

technical field [0001] The invention relates to a composite cutting tool steel plate for making a cutting tool, in particular to a method for manufacturing a cutting tool steel plate for making a three-layer composite blade of a cutting tool. Background technique [0002] A cutting tool is a tool used to cut or chop something. The blade has a knife body, the knife body has a connected blade body and a blade, and the knife body can be connected with a knife handle. The blade is used to realize the cutting or chopping function of the cutting tool, and the blade body is used to fix the blade and determine the shape of the blade body. According to the function of the blade and the blade, the steel of the blade should have higher strength, higher hardness, better toughness, and excellent anti-rust performance, so that the blade of the blade is sharp, non-collapsing, and rust-free. Part of the steel can be made of ordinary carbon steel. In order to prevent rust and look beautifu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P17/00B21D39/04B21J5/00B21B1/38B21B37/16C21D1/00C21D11/00
Inventor 高景阳连敬祥王丽敏
Owner 辽宁新华阳伟业装备制造有限公司
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