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Novel scroll saw

A wire saw, a new type of technology, applied in the direction of grinding machines, metal processing equipment, grinding/polishing equipment, etc., can solve the problems of low cutting quality and short service life of wire saws, and achieve the effect of improving cutting quality and prolonging service life

Inactive Publication Date: 2009-08-12
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the short service life and low cutting quality of the existing wire saw for cutting, the present invention provides a new type of wire saw that can effectively prolong the service life of the wire saw and improve the cutting quality.

Method used

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  • Novel scroll saw
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] refer to Figure 2 to Figure 5 , a new type of wire saw, including a wire saw body 1, a layer of soft material layer 2 is coated on the surface of the wire saw body, and there are holes on the surface of the soft material layer 2 for abrasive grains to be embedded therein and temporarily The notch 3 for fixing the abrasive grains, the maximum depth and the maximum width of the notch 3 are 1 / 2-4 / 5 of the average diameter of the abrasive grains 4 used.

[0026] The notches 3 are helical on the surface of the soft material layer, and the notches have the same depth and width. The soft material is one of the following: ①, polyester acrylate resin; ②, epoxy acrylate resin; ③, organosilicon polycondensation resin; ④, phenolic epoxy resin; ⑤, multifunctional epoxy resin ; ⑥, cycloaliphatic epoxy resin.

[0027] The depth and width of the notch can be selected as 1 / 2, 2 / 3, 7 / 12, 3 / 4 or 4 / 5 of the average particle size of the abrasive grains used. Of course, 1 / 2 to 4 / 5 can als...

Embodiment 2

[0030] refer to Figure 5 and Figure 6 In this embodiment, the notches 3 on the surface of the soft material layer are triangular grooves distributed with equal intervals in the axial direction and radial direction.

[0031] Wherein, a plurality of triangular grooves are distributed in a radial circle, and adjacent triangular grooves are arranged in a dislocation manner; this structure can well adapt to the reciprocating motion of the wire saw.

[0032] The depth of the triangular groove varies from shallow to deep, and the width varies from narrow to wide; wherein the maximum depth and maximum width of the triangular groove can be selected as 1 / 2, 5 / 12, 2 / 2 of the average diameter of the abrasive grains 4 used. 3, 3 / 4 or 4 / 5, etc. Of course, any intermediate value between 1 / 2 and 4 / 5 can also be selected.

[0033] Other structures and working processes of this embodiment are the same as those of Embodiment 1.

Embodiment 3

[0035] refer to Figure 7 and Figure 8 , the notches 3 in this embodiment are irregular triangular grooves distributed in the axial direction with equal intervals on the surface of the soft material layer.

[0036] The irregular triangular groove can be an acute triangle or an obtuse triangle, and the notch can also be arc-shaped or other polygonal.

[0037] Other structures and working processes of this embodiment are the same as those of Embodiment 2.

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PUM

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Abstract

The invention provides a novel wire saw which comprises a wire saw body. A soft material layer is coated on the surface of the wire saw body. The surface of the soft material layer is provided with a notch which is provided for wear particles to be embedded in and for temporarily fixing the wear particles. The largest depth and the largest width of the notch are one half to four fifth of the average particle size of the wear particles. The novel wire saw which can effectively prolong the service life of the wire saw and prolong the cutting quality can be provided by the invention.

Description

technical field [0001] The invention relates to the field of wire saws for cutting. Background technique [0002] When using a free abrasive wire saw, the wire saw (steel wire) is wound on the take-up reel and the pay-off reel, and the wire reel is wound in multiple layers to form a net-shaped processing part. Provide proper tension to the jigsaw through the tensioner pulley. When cutting, the material to be processed is fed downward, and a high-viscosity slurry containing abrasive grains is supplied to the processing area between the workpiece and the wire saw. The wire saw moves in a certain direction, and at the same time, it is pressed against the workpiece. The rapid movement of the wire saw also continuously brings the slurry into the cutting seam of the workpiece, thereby cutting the workpiece material and realizing the material removal process, such as figure 1 Show. Since the cutting process is material removal by three-body abrasive wear, the wire saw (steel wir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B27/06
Inventor 彭伟姚春燕
Owner ZHEJIANG UNIV OF TECH