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A flat blade cutting method for hard plates

A cutting method and flat blade technology, which can be used in metal processing and other directions, and can solve the problem of scrapping white edge materials

Active Publication Date: 2021-07-06
CHANGZHOU SINAJET SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the disadvantage that the existing hard plate cold cutting is easy to produce white edges and lead to material scrapping, the present invention provides a flat edge cutting method of hard plate and a cutting knife set

Method used

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  • A flat blade cutting method for hard plates
  • A flat blade cutting method for hard plates
  • A flat blade cutting method for hard plates

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Embodiment Construction

[0037] Such as Figures 1 to 7 It is a schematic diagram of the structure of the present invention, a method for cutting a hard plate with a flat edge, including a cutting knife set, and the cutting knife set includes a flat edge positive knife 1, a flat edge reverse knife 2, and a flat edge cutter 3. The specific cutting method is as follows:

[0038] Step S1: Use the flat edge positive knife 1 to cut an edge at the corner, where the flat edge of the flat edge positive knife 1 is aligned with the required piece, and the convex edge of the flat edge positive knife 1 is aligned with the unnecessary cut piece piece, the vertical rake face of the flat front knife 1 aligns with the cutting corner and starts cutting;

[0039] Step S2: Use the flat-edged counter-knife 2 to cut the other side at the corner, where the flat edge of the flat-edged counter-knife 2 is aligned with the desired piece, and the convex edge of the flat-edged counter-knife 2 is aligned with the unnecessary piec...

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Abstract

The invention relates to the technical field of plate cutting, in particular to a method for cutting a hard plate with a flat edge, which uses a flat edge knife to cut an edge at a corner, wherein the flat edge of the flat edge knife is aligned with a required cut piece, The convex edge is aligned with the unnecessary pieces, and the vertical rake face is aligned with the cutting corner to start cutting; use the flat edge to cut the other side at the corner, wherein the flat edge is aligned with the required pieces , the convex edge is aligned with the unnecessary pieces, and the vertical rake face is aligned with the cutting corner to start cutting; repeat the above steps until all the corners are cut, and use the flat blade cutter to cut the middle straight section Until all the straight sections are cut, wherein, the flat edge of the flat edge cutter is aligned with the required pieces, and the convex edge is aligned with the unnecessary pieces. This cutting method will not squeeze the required pieces, avoid changes in the internal structure and properties of the material, and avoid white edges. The straight edge knife and the flat edge reverse knife realize the cutting at the corners and avoid overcutting.

Description

technical field [0001] The invention relates to the technical field of plate cutting, in particular to a flat-blade cutting method for hard plates. Background technique [0002] In some industries, we need to cut contours in hard sheets. The cutting of hard plates usually adopts the method of cold cutting. In the current cold cutting method of the tool, the cutting edge of the tool is facing two directions, that is, both sides are edged, and both sides of the tool will be raised. There will be a certain amount of extrusion in both directions of the material. In some special industries (such as the cutting of glass fiber reinforced phenolic board), this extrusion will cause the edge of the cut material to be rough, or the cut material will have white edges under the extrusion of the blade. Specifically, during extrusion, the extrusion force on the protruding side of the blade will be too large, resulting in changes in the internal structure and properties of the material, r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B26D1/06B26D7/26
CPCB26D1/0006B26D1/06B26D7/2628B26D2001/006
Inventor 郑涛王福康徐芬谢涛马朝勇
Owner CHANGZHOU SINAJET SCI & TECH
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