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Multiple-cutting-edge finish machining tool

A tool and tool holder technology, applied in the field of multi-blade finishing tools, can solve the problems of processing efficiency limitation, burrs, and low workpiece quality, and achieve the effect of preventing chipping, reducing waste and ensuring quality.

Pending Publication Date: 2018-12-11
CONPROFE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the contour shape of these blades is relatively simple, and only has the shape of the cutter head with a simple geometric contour. When this type of polycrystalline diamond tool is processed, because it has fewer blades, the cutting amount of each blade is large, and the cutting amount is bound to be large. It causes greater wear and tear, which eventually makes the life of this type of tool shorter. Often when ten to twenty workpieces are polished, the tool needs to be replaced, resulting in waste of materials. The surface roughness of the workpiece after processing is relatively large, and even burrs are generated, resulting in the problem of low quality of the workpiece
At the same time, fewer cutting edges will inevitably limit the processing efficiency
In addition, the cutter head with simple geometric contour cannot process the workpiece with complex structure

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Embodiment 1 provides a multi-blade finishing tool for finishing workpieces.

[0041] Please refer to Figure 1-4 , the polycrystalline diamond layer 220 of the multi-edge finishing tool has twelve cutting edges 221 .

[0042] In this embodiment, the cemented carbide layer 210 and the cemented carbide used in the handle 100 can ensure that the entire tool has sufficient strength to ensure long-term and stable use of the tool.

[0043] Cemented carbide has a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance and corrosion resistance, especially its high hardness and wear resistance, which basically remain unchanged even at a temperature of 500°C , It still has a high hardness at 1000 °C. Cemented carbide refers to a sintered composite material composed of at least one metal carbide. Tungsten carbide, cobalt carbide, niobium carbide, titanium carbide, and tantalum carbide are common components of tungsten...

Embodiment 2

[0094] The second embodiment provides a multi-blade finishing tool for finishing the workpiece.

[0095] Please refer to Figure 5-7 , the polycrystalline diamond layer 220 of the multi-edge finishing tool has eighteen cutting edges 221 .

[0096] Compared with the first embodiment, the present embodiment has more cutting edges 221 . At this time, the multi-blade finishing tool in the second embodiment has a better effect than the multi-blade finishing tool in the first embodiment.

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Abstract

The invention discloses a multiple-cutting-edge finish machining tool. The multiple-cutting-edge finish machining tool comprises a shank and a tool bit fixedly connected to the head of the shank; thetool bit comprises a hard alloy layer made from a hard alloy, and a polycrystalline diamond layer fixedly connected to the hard alloy layer; the polycrystalline diamond layer is provided with a plurality of oblique cutting edges; each cutting edge comprises a first inclined section and a second inclined section, wherein the first inclined section extends obliquely along the outer wall of the toolbit, the second inclined section is connected to the first inclined section and retracts to the first inclined section, and a boss is formed at the joint between the second inclined section and the first inclined section; the shank is made from the hard alloy. The multiple-cutting-edge finish machining tool has the advantages that for each cutting edge, the boss formed at the joint between the corresponding second inclined section and the corresponding first inclined section can effectively remove burrs in the cutting process by the cutting edges to prevent a workpiece from breakage, and accordingly, the quality of the workpiece is ensured.

Description

technical field [0001] The invention relates to the technical field of machining, in particular to a multi-edged finishing tool. Background technique [0002] Diamond tools have the characteristics of extremely high hardness and wear resistance, high thermal conductivity, low thermal expansion coefficient, low friction coefficient, and low affinity with non-ferrous metals, which enable them to obtain high processing accuracy and processing efficiency in high-speed cutting. Based on this The use of diamond tools is becoming more and more widespread. [0003] The processing characteristics of diamond tools are determined by the crystal structure of diamond. In diamond crystals, each carbon atom forms a covalent bond with four adjacent carbon atoms, and has a regular tetrahedral structure in space. The carbon atoms of this structure The binding force between them is extremely high, and it shows extremely high hardness on the macroscopic scale. [0004] At present, diamond too...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C5/10
CPCB23C5/1081B23C2226/315B23C2210/0485B23C2210/04
Inventor 颜炳姜李伟秋林一松
Owner CONPROFE TECH GRP CO LTD