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Laser quenching hardening treatment method for cutter and die cutting edge

A technology of hardening treatment and laser quenching, applied in the field of machining, can solve the problems of easy melting of sharp corners, unusable tools and molds, short heating time, etc., to achieve the effect of short heating time, small deformation and easy operation

Inactive Publication Date: 2005-02-16
FAW GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Laser treatment, short heating time, small deformation, local cutting edge can be processed according to needs, and satisfactory hardness can be obtained, but if the focused laser spot is directly irradiated to the cutting edge of the tool and mold, the sharp corner of the cutting edge is very easy to melt, like figure 1 As shown, it will cause the tool and mold to be unusable

Method used

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  • Laser quenching hardening treatment method for cutter and die cutting edge
  • Laser quenching hardening treatment method for cutter and die cutting edge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1: the processing process of the sheet metal garden piece cutter is: a, first put the sheet material garden sheet cutter on the laser processing machine workbench, and according to the requirements of use, a certain knife face of the cutting edge to be processed is horizontally upward Put it on the plane of the machine tool table; b. In the range of 10mm away from the cutting edge and parallel to the cutting edge, evenly coat the laser heat treatment light-absorbing coating; c. Adjust the laser beam focus of the Φ5mm spot to On the knife face of the plate garden slice cutter, the beam axis is perpendicular to the plate garden slice cutter face; and the vertical distance between the beam center and the cutting edge is 2.6mm. d, the laser beam is scanned and heated on the plane of the plate cutter along the direction parallel to the cutting edge. As shown in Figure 3, the laser treated hardened structure, the hardened layer depth at the cutting edge is greater ...

Embodiment 2

[0014] Embodiment 2: the processing process of the sheet metal garden piece cutter is: a, at first put the sheet material garden sheet cutter on the laser processing machine workbench, and according to the requirements of use, a certain knife face of the cutting edge to be processed is horizontally upward Place it on the plane of the machine tool table; b. Evenly coat the laser heat treatment light-absorbing coating within the range of 15mm away from the cutting edge and parallel to the cutting edge; c. Adjust the laser beam focus of the Φ5mm spot to On the knife face of the plate garden slice cutter, the beam axis is perpendicular to the plate garden slice cutter face; and the vertical distance between the beam center and the cutting edge is 3.7mm. d, the laser beam is scanned and heated on the plane of the plate cutter along the direction parallel to the cutting edge. As shown in Figure 3, the laser treated hardened structure, the hardened layer depth at the cutting edge is ...

Embodiment 3

[0015] Embodiment 3: The sheet material blanking die is processed through the following steps: a. Put the sheet material blanking die on the laser processing machine workbench, and according to the requirements of use, a certain surface of the sheet material blanking die edge is horizontally upward Put it on the plane of the machine tool table; b. On the surface of the sheet blanking die, within the range of 12mm away from the cutting edge and parallel to the cutting edge, evenly coat the laser heat treatment light-absorbing coating; c. Adjust the laser beam focus of the Φ5.5mm spot On the cutting edge surface of the sheet material blanking die, the beam axis is perpendicular to the cutting edge surface of the sheet material blanking die. The vertical distance between the center of the beam and the cutting edge is 3.0mm; d. The laser beam is scanned and heated on the plane of the plate blanking mold along the direction parallel to the cutting edge. The laser power: 1500W, the l...

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Abstract

The invention relates to method of cutter and mould cutting edge laser quenching treatment of hardness, belonging to mechanical workout. Concrete steps as follow: a. put one front of cutting edge being dealt up on the surface of machine tool desk; b. wipe laser heat treatment light absorbed paint equally between the dealing surface with a distance of 10-15mm and parallel with the cutting edge; c. change laser beam focus dealing surface, put light beam center with a distance of cutting edge 2.6-3.7mm; d. laser beam scan and heat on the dealing surface in the direction of paralleling cutting edge. Short heatup time, little distortion, simple process, convenient practice, easy operation.

Description

Technical field: [0001] The invention relates to a laser quenching and hardening treatment method for a cutting tool and a mold edge, belonging to the field of mechanical processing. Background technique: [0002] The cutting edges of various tools and molds used in machining often need local surface hardening treatment. There are many methods for surface hardening of the knife (mold) tool edge, but most of the methods need to heat the knife (mold) tool as a whole or locally in a large area, and the heating time is long, and the knife (mold) tool is prone to deformation. Laser quenching treatment is a more advanced local surface hardening method at present, and it is also suitable for local surface hardening of cutting edges of tools and molds. Laser treatment, short heating time, small deformation, local cutting edge can be processed according to needs, and satisfactory hardness can be obtained, but if the focused laser spot is directly irradiated to the cutting edge of th...

Claims

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Application Information

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IPC IPC(8): C21D9/22
Inventor 姚远郑培和魏伟喻浩淳陈明孔德举秦芳
Owner FAW GROUP
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