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Brazed diamond flexible abrasive disc and manufacturing method thereof

A manufacturing method and diamond technology, applied in the manufacture of tools, abrasives, metal processing equipment, etc., can solve the problems of not achieving the soft effect of resin soft abrasive sheets, complex manufacturing process, easy crushing of the abrasive layer, etc. Improve the service life and not easy to fall off

Active Publication Date: 2011-09-07
XIAMEN ZL DIAMOND TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of this utility model are: 1. In the production of the grinding disc of this utility model, the grinding layer and the rubber layer, the rubber layer and the nut must be molded, and the manufacturing process is complicated, and it is easy to crush the grinding layer; 2. The grinding disc is still It is very hard and cannot achieve the soft effect of resin soft grinding discs. The scope of application is narrow, and it is difficult to grind workpieces with complex shapes such as edges, corners, and arcs.

Method used

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  • Brazed diamond flexible abrasive disc and manufacturing method thereof
  • Brazed diamond flexible abrasive disc and manufacturing method thereof
  • Brazed diamond flexible abrasive disc and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] see figure 1 and 2 , Brazed diamond soft grinding disc is equipped with diamond grinding layer and connecting parts. The diamond grinding layer is provided with a substrate 11 (soft thin steel sheet) and many diamond particles 12, each diamond particle 12 is fixed on the upper surface of the substrate 11 by brazing, and gaps are left between adjacent diamond particles 12 to facilitate slag removal. The diamond particles 12 expose 2 / 3 of the height of the brazing material, so that the sharpness of the diamond particles 12 during grinding can be maintained. The connector is provided with an elastic layer 21 (the elastic layer 21 is a rubber sheet, which can also be a resin fiber sheet or a foam plastic sheet) and a velcro layer 22, the elastic layer 21 is bonded to the velcro layer 22, and the elastic layer 21 is connected to the substrate 11 The lower surface is bonded. Mark 31 is the central hole of the brazing diamond soft grinding disc. The thickness of the thin s...

Embodiment 2

[0036] Similar to Example 1, the difference is that the substrate (soft thin steel sheet) adopts a mesh-shaped soft thin steel sheet.

[0037] The preparation method of embodiment 2 comprises the following steps:

[0038] 1) After the surface treatment of the mesh-shaped thin steel sheet, first coat the high-temperature-resistant inorganic adhesive on one side of the mesh-shaped soft thin steel sheet, and after drying, apply brazing on the other side of the mesh-shaped soft thin steel sheet Arrange the diamond particles (coated according to the designed appearance pattern model), and send the rough diamond grinding layer into the vacuum furnace to heat up to 900°C (the temperature of different brazing materials is different), keep it warm for 5-15min, and stop Heating, cooling to below 150°C, and making a whole piece of brazed diamond grinding layer. The mesh-shaped thin steel sheet has a thickness of 0.15 mm to 0.60 mm.

[0039] 2) Remove the inorganic adhesive that is coat...

Embodiment 3

[0041] Similar to Embodiment 1, the difference is that the connecting piece is only provided with a Velcro layer.

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Abstract

The invention discloses a brazed diamond flexible abrasive disc and a manufacturing method thereof, and relates to a diamond abrasive disc. The invention provides the brazed diamond flexible abrasive disc which is mainly used for coarse grinding processing of hard and brittle materials such as stone, glass, ceramic, concrete and the like, has good sharpness during grinding, is easy to grind special-shaped faces such as planes, edges, angles, arcs and the like, has good high temperature resistance and long service life and does not produce discoloration after long-time dry grinding, and the manufacturing method thereof. The flexible abrasive disc is provided with a diamond grinding layer and a connector; and the diamond grinding layer is provided with a matrix and diamond granules, the matrix is a flexible thin steel sheet, the diamond granules are brazed on the upper surface of the matrix, and the connector is connected with the lower surface of the matrix. The method comprises the steps of manufacturing the diamond grinding layer and manufacturing a finished product of the diamond flexible abrasive disc.

Description

technical field [0001] The invention relates to a diamond grinding disc, in particular to a brazed diamond soft grinding disc and a manufacturing method thereof. Background technique [0002] Diamond grinding discs are grinding and polishing tools widely used in industrial production and construction industries in today's society. The main application fields are grinding and polishing of hard and brittle materials such as stone, glass, ceramics, and concrete. Diamond grinding discs are generally divided into two categories: diamond metal grinding discs and diamond resin grinding discs. Diamond metal grinding discs are mainly used for rough grinding of materials. At present, the diamond metal grinding discs on the market are generally divided into two types. One is a grinding disc made of sintered diamond grinding blocks welded on a thick metal substrate. The grinding disc is rigid, not soft, and cannot grind workpieces with poor flatness, and it is difficult to grind workpi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D3/00
Inventor 吕永安
Owner XIAMEN ZL DIAMOND TECH CO LTD
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