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Environment-friendly preparation method of medium-small-diameter diamond circular saw blade matrix

A diamond and circular saw blade technology is applied in the field of environmentally friendly preparation of medium and small diameter diamond circular saw blade substrates, which can solve the problems of high power consumption, increased environmental protection burden, and increased production costs, avoiding pollution and energy consumption, and omitting grinding. process, the effect of eliminating oil fume pollution

Active Publication Date: 2021-01-05
TANGSHAN METALLURGICAL SAW BLADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the grinding process of the saw blade will generate a lot of waste water and consume a lot of electric energy, which will increase the environmental protection burden; at the same time, the depreciation of the grinding machine, the use of consumables, and the consumption of labor will increase the production cost.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025]The size of the saw blade substrate to be prepared in this embodiment is φ500mm, and the production method is carried out as follows:

[0026]1) Raw material selection: Choose 75Cr1 steel plate with a width equal to 600mm. After hot rolling, cold rolling, the nominal thickness of the steel plate after rolling is the same as the nominal thickness of the saw blade base product, and the thickness tolerance of the steel plate after rolling is in the thickness of the saw blade base product. Within the range of the difference, the thickness difference of the same plate after rolling is 0.02mm.

[0027]The thickness of the oxide scale on the steel plate surface is 0.005mm, which requires strict control of the oxide scale thickness to ensure the smooth and fine surface quality of the steel plate.

[0028]2) Blank blanking: Use a CNC laser cutting machine to cut a round blank with teeth on the steel plate. The diameter of the round blank is φ504mm, and the inner hole is cut at the center of the...

Embodiment 2

[0035]The size of the saw blade substrate to be produced in this embodiment is φ800mm, and the production method is carried out as follows:

[0036]1) Raw material selection: Choose a 50CrV steel plate with a width equal to 900mm. The nominal thickness of the steel plate after hot rolling is the same as the nominal thickness of the saw blade base product. The thickness tolerance of the steel plate after rolling is within the range of the thickness tolerance value of the saw blade base product. The thickness difference of the same plate after rolling is 0.03mm.

[0037]The thickness of the oxide scale on the surface of the steel plate is 0.02mm, which requires strict control of the oxide scale thickness to ensure the smooth and fine surface quality of the steel plate.

[0038]2) Blank blanking: use a CNC laser cutting machine to cut a round blank with teeth on the steel plate. The diameter of the round blank is 804mm, and the inner hole is cut at the center of the round blank. The inner hole ...

Embodiment 3

[0045]The size of the saw blade substrate to be prepared in this embodiment is φ1200mm, and the production method is carried out as follows:

[0046]1) Raw material selection: select 8CrV steel plate material with a width equal to 1500mm, the nominal thickness of the steel plate after hot rolling is the same as the nominal thickness of the saw blade base product, and the thickness tolerance of the steel plate after rolling is within the range of the thickness tolerance value of the saw blade base product. The thickness difference of the same plate after rolling is 0.045mm.

[0047]The thickness of the oxide scale on the surface of the steel plate is 0.025mm, which requires strict control of the oxide scale thickness to ensure smooth and fine surface quality of the steel plate.

[0048]2) Blank blanking: A CNC laser cutting machine is used to cut a round blank with teeth on the steel plate. The diameter of the round blank is φ1204mm, and the inner hole is cut out at the center of the round bl...

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Abstract

The invention discloses an environment-friendly preparation method of a medium-small-diameter diamond circular saw blade matrix. The environment-friendly preparation method comprises the following steps that 1) raw material selection is conducted, and specifically, a steel plate material subjected to high-precision rolling is selected; 2) blank blanking is conducted, specifically, a round blank with teeth at the edge is cut on a steel plate, and an inner hole is cut in the center of the round blank; 3) heat treatment is conducted, specifically, the saw blade matrix blank is quenched through dry type pressure quenching equipment, and tempering is conducted through a pressure type batch-type furnace after quenching is completed; 4) leveling and stress control are conducted, specifically, flatness correction is conducted on the saw blade matrix through manual hammering and a multi-roller leveler, rolling is conducted on the saw blade matrix through a roller press after leveling is completed, and stress adjustment is completed; 5) finish turning of inner and outer circles is conducted, and specifically, the inner and outer diameters of the saw blade matrix are machined to the final size; and 6) fine leveling and total inspection are conducted. According to the environment-friendly preparation method, a grinding process is not needed, pollution and energy consumption generated by saw blade grinding are reduced, dry type pressure quenching is adopted, the environment-friendly condition is improved, and the finally obtained saw blade matrix is high in planeness level and resistantto surface corrosion.

Description

Technical field[0001]The invention relates to a saw blade production method, in particular to an environmentally friendly preparation method of a medium and small diameter diamond circular saw blade substrate.Background technique[0002]Diamond circular saw blade substrate is an important product for making diamond circular saw blades. It has been widely used in the processing of hard and brittle products such as stone, concrete, ceramics, graphite, etc., and has become the main cutting tool in mining, construction and decoration industries. The number of applications is huge, and the product specifications are numerous.[0003]After more than 30 years of development, our country has become the world's largest diamond circular saw blade production and R&D center. Not only does it have a complete product range, but its product quality and technological innovation capabilities also rank first in the world. At present, diamond circular saw blades and their substrates have become an importa...

Claims

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Application Information

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IPC IPC(8): B23P15/28B23D65/00
CPCB23P15/28B23D65/00
Inventor 郭继富韩会杰张艳龙孟娟樊玉茹孟凡伟王忱
Owner TANGSHAN METALLURGICAL SAW BLADE
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