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Cutter abrasion repairing method

A repair method and tool wear technology are applied in the directions of heating inorganic powder coating, improving process efficiency, improving energy efficiency, etc., to achieve the effects of high repair accuracy, saving resources and reducing production costs.

Inactive Publication Date: 2015-07-08
SHAOXING UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The repair and reuse of worn tools rarely involves

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] A method for repairing tool wear is shown, including the following steps: firstly, pretreatment is performed on the worn tool. When pretreating the worn tool, first clean and remove the oil stain and chip powder on the surface of the worn tool, and then polish the damaged part of the worn tool, the crater on the front and rear knife faces, and the boundary wear to eliminate the oxide skin on the surface until the metal is released. luster.

[0013] Then the pretreated worn tool is clamped and positioned, and then the image acquisition system collects data on the positioned worn tool and sends the collected data to the computer to form a three-dimensional model of the worn tool. The image acquisition system includes a CCD camera, and the CCD camera collects data on the worn area of ​​the positioned worn tool, and reads the collected data into the memory of the tool repair software system through an image acquisition card. Use 3D software such as ProE or Solidworks for 3...

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Abstract

The invention discloses a cutter abrasion repairing method. The cutter abrasion repairing method comprises the steps of firstly preprocessing an abraded cutter, clamping and positioning the preprocessed abraded cutter, enabling an image acquisition system to conduct data acquisition on the positioned abraded cutter and transmit acquired data to a computer so as to form an abraded cutter three-dimensional model, reading the cutter three-dimensional model into a computer before the cutter is abraded, calculating the cutter three-dimensional model required to be compensated through Boolean operation, filling a repair material in the cutter three-dimensional model required to be compensated, using laser direct-sintering technology to sinter and repair the abraded position, and finally cleaning and grinding the repaired cutter so as to complete cutter repair. The cutter abrasion repairing method can be applied to repair of high-cost and high-repair-value cutters including integral cutters, blades, drill tools, large milling cutters and the like, facilitate resource saving and reduction of production cost and achieve green manufacture.

Description

technical field [0001] The invention relates to a method for repairing tool wear. Background technique [0002] During the metal cutting process, the surface load at the tool-workpiece interface and the energy and friction generated by the high-speed sliding of chips along the rake face of the tool will generate a large amount of cutting heat during cutting, resulting in severe wear and failure of the tool. Tool wear forms include ① flank wear; ② scoring wear; ③ crater wear; ④ cutting edge blunting; ⑤ cutting edge chipping; After the tool is worn, the machining accuracy of the workpiece is reduced, the surface roughness is increased, and the cutting force is increased, the cutting temperature is increased, and even vibration is generated, and normal cutting cannot continue. Therefore, tool wear directly affects machining efficiency, quality and cost. The treatment method after tool wear is generally to use oil stone for sharpening, and the service life of the tool after sh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/105C23C24/08
CPCY02P10/25
Inventor 吴继华张新华何绍木
Owner SHAOXING UNIVERSITY
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