Brazing diamond fret saw with grinding materials being arranged in order in spiral shape and manufacturing process thereof

A diamond wire saw and manufacturing process technology, applied in the field of abrasives and abrasives manufacturing, can solve the problems of easy shedding of abrasives, short life of the wire saw, easy blockage and slippage of the wire saw, etc., and achieve high holding strength, long cutting life, and high cutting efficiency Effect

Inactive Publication Date: 2010-05-12
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main problem of the diamond wire saw: the abrasive is only mechanically embedded in the coating binder, the abrasive is easy to fall off, and the life of the wire saw is short; the abrasive is arranged in disorder, and the wire saw is easy to block and slip

Method used

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  • Brazing diamond fret saw with grinding materials being arranged in order in spiral shape and manufacturing process thereof
  • Brazing diamond fret saw with grinding materials being arranged in order in spiral shape and manufacturing process thereof
  • Brazing diamond fret saw with grinding materials being arranged in order in spiral shape and manufacturing process thereof

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Embodiment Construction

[0021] The brazed diamond wire saw of the present invention includes a steel wire as a base, a brazing metal bond as an intermediate connecting layer, and a diamond abrasive directly fixed by the brazing metal bond as an outer layer. Wire saws are used for cutting materials, and the substrate should be able to withstand tensile stress, alternating bending stress and high temperature grinding. Therefore, the matrix material should have high tensile strength, high bending fatigue strength and high high-temperature mechanical properties. When brazing abrasives, the matrix itself should not show obvious degradation in performance when subjected to high temperature. Typical metal matrix materials Including iron, molybdenum, tungsten, and alloys containing any of them, steel will significantly reduce its tensile strength when subjected to high temperature brazing. It is a viable material when the diameter is thicker. High-carbon steel is relatively less affected. The wire can be rest...

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Abstract

The invention relates to brazing diamond fret saw with grinding materials being arranged in order in a spiral shape and a manufacturing process thereof, belonging to the field of manufacturing of grinding materials and grinding apparatus. The brazing diamond fret saw is composed of a steel wire substrate, brazing bonding agent and diamond grinding materials which are arranged in a spiral shape. The key steps of the process are as follows: coating pressure sensitive adhesive on the surface of the steel wire substrate; evenly winding a fine metal silk thread or nonmetal silk thread on the steel wire coated with pressure sensitive adhesive in a certain thread pitch; arranging the diamond grinding materials; dismantling the metal silk thread or the nonmetal silk thread; arranging a layer of powdery brazing filler metal; heating to the melting of the brazing filler metal in vacuum or protective atmosphere; and fixing the cooled diamond grinding materials firmly on the surface of the steel wire through brazing bonding agent to form the brazing diamond fret saw with the grinding materials being arranged in order in a spiral shape. The fret saw has the advantages of long cutting service life and high cutting efficiency.

Description

Technical field [0001] The invention relates to a brazed diamond wire saw in which abrasives are arranged in a spiral shape orderly and a manufacturing process thereof, and belongs to the field of abrasives manufacturing. Background technique [0002] At present, the patent number is "200910137822.3" and the patent named "A method for preparing a metal bond diamond wire saw" discloses a diamond wire saw and its manufacturing process that are closest to the present invention. It is used to fix a layer of diamond abrasive on the surface of the steel wire by electrodepositing nickel. The wire saw can be used to precisely shape and cut hard and brittle materials such as silicon wafers, stone, ceramics, and optical glass. It can also be applied to aluminum alloys and other non-ferrous metals and their alloys. Cutting processing. Its advantages: (1) Narrow cutting seam, high yield rate; (2) Smooth cutting process, cutting silicon crystal, ceramics and other brittle materials without c...

Claims

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Application Information

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IPC IPC(8): B28D1/02B28D5/04
Inventor 肖冰王波李松
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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