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Method for preparing large-size diamond circular saw web product

A diamond and circular saw blade technology, applied in the production process of diamond products, can solve the problems of inability to meet the conditions of cutting depth, high product price, limited specifications, etc., to improve service life, improve heat dissipation performance, and reduce tooth loss. rate effect

Active Publication Date: 2016-11-23
河北小蜜蜂工具集团有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, in the existing technology, the welding type saw blade has complete specifications and can meet the requirements of different cutting occasions, but the product price is relatively high; while the pressed type product is relatively cheap, but the specification is limited (the current specification of domestic enterprises is up to φ400mm ), which cannot meet the conditions of use in occasions with high requirements for cutting depth

Method used

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  • Method for preparing large-size diamond circular saw web product
  • Method for preparing large-size diamond circular saw web product
  • Method for preparing large-size diamond circular saw web product

Examples

Experimental program
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Effect test

Embodiment 1

[0036] The material of the substrate is 65Mn steel, the thickness of the substrate is 2.6mm, the number of teeth is 36 teeth, and 6 inverted trapezoidal small teeth are evenly distributed on each tooth. The outer diameter of the designed product is φ500mm, and the thickness of the designed cutter head is 3.4mm. Equipped with diamond concentration 25% matrix powder, wherein the diamond is abrasive grade diamond with a particle size of 40-80; the metal powder is composed of the following proportions by weight: pure copper powder 50%, tin powder 8%; nickel powder 6% %; the balance is iron; at the same time, design the matching cold-pressed steel mold, combine the special carcass powder to calculate the required material weight, weigh it with a balance, and evenly cast it on each tooth, and combine the cold-pressed steel mold The various parts of each part are closely matched, and the powder and the matrix are connected together under the pressure of a large-tonnage press, and the ...

Embodiment 2

[0039] The substrate material is 65Mn steel, the thickness of the substrate is 2.8mm, the number of teeth is 36, and 8 inverted trapezoidal small teeth are evenly distributed on each tooth. The outer diameter of the designed product is φ500mm, and the thickness of the designed cutter head is 3.4mm; equipped with diamond concentration 30% matrix powder, wherein the diamond is abrasive grade diamond with a particle size of 30-70; the metal powder is composed of the following proportions by weight: pure copper powder 45%, tin powder 9%; nickel powder 5% %; the balance is iron; it is made with the same equipment as the above-mentioned steel mold, press and sintering furnace, and the pressing pressure is controlled at 450MPa; the sintering uses special cast iron spacers and stainless steel side clearance pads to ensure stable product quality and consistent performance , the hot pressing pressure is 20MPa, and the heating temperature is 880°C; the sintered product is professionally l...

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Abstract

The invention discloses a method for preparing a large-size diamond circular saw web product, and belongs to the technical field of production processes of diamond products. The method comprises the following steps that a, a steel saw web matrix is prepared; b, matrix powder mainly prepared from diamonds is prepared according to the characteristics of a product cutting object; c, the steel saw web matrix in the step a and the matrix powder in the step b are placed in a cold pressing mold to be pressed into a cold pressing product; d, the cold pressing product obtained in the step c is pressurized and heated to form a sintered product; and e, the sintered product obtained in the step d is subjected to aftertreatment, and a finished product is prepared. According to the method, the bonding strength of a tool bit and the matrix can be enhanced, the product tooth losing rate can be reduced, and the service life of the product can be prolonged; and meanwhile, a structure of combining rectangular holes with round holes is adopted in matrix chip removal cooling holes, chip removal and cooling of the product are facilitated, and therefore the heat radiation performance of the product is improved.

Description

technical field [0001] The invention belongs to the technical field of production technology of diamond products, and relates to a preparation method of a large-size diamond saw blade. Background technique [0002] At present, domestic manufacturers generally use welded or pressed saw blades to cut hard and brittle non-metallic materials. However, in the existing technology, the welding type saw blade has complete specifications and can meet the requirements of different cutting occasions, but the product price is relatively high; while the pressed type product is relatively cheap, but the specification is limited (the current specification of domestic enterprises is up to φ400mm ), which cannot meet the conditions of use in occasions with high requirements for cutting depth. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a method for preparing large-size diamond saw blades. The product specification involved i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28D1/12B28D5/02
Inventor 曹雄志杨永波代金莉魏娅婷张乐
Owner 河北小蜜蜂工具集团有限公司
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