Manufacturing method for multi-metal saw blade

A manufacturing method and multi-metal technology, applied in the manufacture of cutting tools of sawing machines, metal sawing equipment, manufacturing tools, etc., can solve the problems of reducing the service life of saw blades, prone to continuous chipping, and the scrapping of the entire band saw, etc., to achieve Increased service life, long service life, and the effect of preventing scrapping

Active Publication Date: 2014-02-26
SHANGYU HONGEN PRECISION MACHINERY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the tooth material of cemented carbide is brittle, and the impact is slightly larger, and it is prone to continuous chipping. If the broken tooth material is not discharged in time in the saw kerf, it will have an impact on the next tooth tip, whi

Method used

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  • Manufacturing method for multi-metal saw blade
  • Manufacturing method for multi-metal saw blade
  • Manufacturing method for multi-metal saw blade

Examples

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Embodiment 1

[0033] A method of manufacturing a multi-metal saw blade, such as Figure 1 to Figure 4 shown, including the following steps,

[0034] Step 1: The tooth material 2 is M51 material and cemented carbide material, and the M51 material is subjected to heat treatment, and the cemented carbide material is subjected to high-temperature sintering treatment; the specific operation is as follows:

[0035] Before heat treatment, the M51 material is cut into a cylinder with a diameter of 2.0-3.0mm and a thickness of 1.6-2.0mm, and then the oil stain on the surface is cleaned by ultrasonic waves, and then heat treatment is performed; the heat treatment is to put the M51 material after cleaning the oil stain into the temperature Quenching is carried out in a vacuum furnace at 1185-1200°C. After 15 minutes, it can also be any value between 10 minutes or 30 minutes or 10-30 minutes. It is immersed in liquid nitrogen at a temperature of -230--190°C for cryogenic treatment. , The cryogenic tre...

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Abstract

The invention relates to a manufacturing method for saw blades and discloses a manufacturing method for a multi-metal saw blade which is made by welding multiple metal tooth materials to the same saw blade prior to grinding. The manufacturing method includes the steps a), subjecting the tooth materials to heat treatment or high-temperature sintering; b), subjecting the saw blade to heat treatment; c), welding the tooth materials treated in the step a) to the saw blade; d), grinding the tooth materials on the saw blade to be tooth-shaped. The saw teeth made of an M51 material and a hard alloy material respectively are welded to the saw blade in an intersected manner; the saw blade is high in precision, sharper, better in wear resistance, long in service life, less prone to continuous teeth collapse, small in use amount of the hard alloy tooth material, less in tooth material loss and economical in resource; the saw blade made of a D6A material or an X32 material is good in anti-fatigue performance and the X32 material is good in rigidity and less prone to distortion.

Description

technical field [0001] The invention relates to a manufacturing method of a saw blade, in particular to a manufacturing method of a multi-metal saw blade. Background technique [0002] The bimetallic saw blades for ordinary metal cutting include saw bands and saw teeth on the saw bands. The saw bands are made of spring steel, and the saw teeth are generally made of high-speed tool steel. The process is generally adopted after welding high-speed tool steel on the saw band , Cut tooth-shaped saw teeth on high-speed tool steel, and then make them through a heat treatment process. This heat treatment refers to quenching to enhance the hardness and wear resistance of the saw teeth. The temperature during quenching is as high as 1200°C, but the quenching temperature of high-speed tool steel is much higher than that of spring steel, and the saw band and saw teeth are quenched together, so too high a quenching temperature will affect the metal structure of the saw band, making it C...

Claims

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Application Information

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IPC IPC(8): B23D65/00
Inventor 倪宏恩
Owner SHANGYU HONGEN PRECISION MACHINERY
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