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Method of producing three layer clad sheet steel used for cutting-tool

A manufacturing method and layer cladding technology, applied in the direction of manufacturing tools, metal rolling, metal rolling, etc., can solve the problems of large environmental impact, process danger, explosion cladding, etc., and achieve easy control of process conditions and stable product quality. , the effect of high composite strength

Active Publication Date: 2009-02-18
LIAONING CLYDE METAL COMPOSITE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods manufacture three-layer composite panels, the process conditions are not easy to control, resulting in the quality of the product is not easy to guarantee, so the product quality is unstable, the production cost of the composite product is higher, in addition, explosive composite, the process is dangerous, and the impact on the environment is relatively large. Big

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0015] The manufacturing method of the three-layer composite steel plate for cutting tools has the following steps:

[0016] 1. Take a T8 steel blade steel plate with a length of 200 mm, a width of 300 mm, and a thickness of 10 mm, and two pieces of 1Cr13 steel blade steel plates with a length of 210 mm, a width of 310 mm, and a thickness of 12 mm;

[0017] 2. Carry out rust removal, degreasing, impurity removal and other surface treatments on the surfaces of the above three steel plates with pickling method, sand blasting method or machine tool processing method to obtain surface treated steel plates;

[0018] 3. Align and overlap the four sides of the surface-treated steel plates, so that the blade steel plates are in the middle, and the blade steel plates are on both sides. Put the three overlapping plates on the press, and use the pressure that can make the steel plates elastically deform. Flatten, and then weld the edges around the flattened three-layer steel plate togeth...

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PUM

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Abstract

The process of making three-layer composite steel plate for cutting tool includes the following steps: superposing two layers of cutter body steel plate and one layer of cutter edge steel plate in between, pressing in a pressing machine to flat, welding the edges, heating to the eutectic temperature and forging and welding in a forging machine in the thickness deformation of 28-32 %, heating to 1100-1200 deg.c and rolling in a rolling mill for welding in the deformation rate of 70-90 % and obtaining three-layer composite steel plate, heat treatment, surface cleaning, and rolling and fixing in the thickness deformation rate not greater than 5 % to obtain the three-layer composite steel plate product. The present invention has high compounding strength, stable product quality, low product cost.

Description

technical field [0001] The invention relates to a three-layer composite steel plate for making cutting tools, in particular to a manufacturing method for making three-layer composite steel plates for cutting tools. 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 beautiful, the steel of the blade pa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P17/00B21D39/02B21J5/00B21B1/38B21B37/16C21D1/00C21D11/00
Inventor 高景阳连敬祥王丽敏
Owner LIAONING CLYDE METAL COMPOSITE