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Dual metal saw blade

A bimetallic and saw blade technology, applied in the field of improving the cutting structure of metal cutting tools, to achieve the effects of fast heat dissipation, enlarged outer diameter, and low cost

Inactive Publication Date: 2014-01-01
沈高明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is a bimetallic saw blade with simple structure and process, stronger and longer service life

Method used

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Embodiment Construction

[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0015] As shown in the figure, a bimetallic saw blade includes a first saw blade 1 that is arranged concentrically and rotates in the forward direction and a second saw blade that rotates in the reverse direction, wherein the first saw blade 1 is The saw blade of the long-toothed cutter head is distributed on the outside, and the second saw blade is the saw blade of the short-toothed cutter head, which is distributed on the inside. The key point of its invention is: the first saw blade 1 or the second saw blade On the opposite side, there is a 0.05-0.15 mm protruding friction bump 2 near the root of the saw blade head to prevent iron filings from entering the space between the two saw blades and causing deformation; the friction bump 2 is set on the inside of the first saw blade 1 Side: the friction bump 2 has a width in the range of 0.4-0.6 m...

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Abstract

The invention discloses a dual metal saw blade, which comprises a first saw blade and a second saw blade, wherein the first saw blade and the second saw blade are arranged coaxially; the first saw blade rotates towards a positive direction; the second saw blade rotates towards a negative position. The dual metal saw blade is characterized in that friction salient points of 0.05-0.15 millimeter for preventing scrap iron from entering the space between the two saw blades and causing deformation project close to the tool bit roots of the saw blades at least on opposite side faces of the first saw blade or the second saw blade. The dual metal saw blade has the advantages of simple structure and process, higher firmness and long service life.

Description

technical field [0001] The invention relates to an improved cutting structure of a metal cutting tool, in particular to the structural adjustment of a bimetallic saw blade. Background technique [0002] Bimetallic circular saw is a kind of electric tool for professional cutting of iron plate, steel pipe, plywood, wood, etc. Bimetallic saw cuts iron plate steel pipe like scissors, and has the advantages of high cutting efficiency and easy operation. The outer diameter of bimetallic saw blades has been limited to less than 115mm for a long time. The main reason is that the larger the outer diameter is, the double saw blades will deform and diverge outward during operation, and two grooves will appear in the sawn timber and cannot be on the same line. It has always been a technical problem that technicians need to solve to solve the cutting depth limitation and bifurcation problems of bimetallic saw blades in the cutting process, thereby improving cutting efficiency and life. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D61/02
Inventor 沈高明
Owner 沈高明
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