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A carbide micro-groove turning tool for cutting high-strength alloy steel 40crmnmo

A technology of cemented carbide and alloy steel, which is applied in the direction of tools for lathes, turning equipment, accessories of tool holders, etc. , Improve the durability, improve the effect of tool durability

Active Publication Date: 2018-10-09
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the cooling methods used in the industry are to use coolant to cool down during processing. This cooling method can only reduce the temperature on the surface of the turning tool, and the large-scale use of cutting fluid will inevitably lead to an increase in manufacturing costs and environmental pollution.
From the above, it can be seen that there is no research result in the industry on the design of the near-field structure of the cutting edge of the rake face of the turning tool with the direct purpose of reducing the cutting temperature of the tool.

Method used

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  • A carbide micro-groove turning tool for cutting high-strength alloy steel 40crmnmo
  • A carbide micro-groove turning tool for cutting high-strength alloy steel 40crmnmo
  • A carbide micro-groove turning tool for cutting high-strength alloy steel 40crmnmo

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Experimental program
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Effect test

Embodiment 1

[0029] Example 1. A kind of cemented carbide micro-groove turning tool for cutting high-strength alloy steel 40CrMnMo, its composition is as follows figure 1 As shown, including the rake face 1, the edge of the rake face 1 has a main cutting edge 2, and the cutting edge of the rake face 1 is provided with a microgroove 5 near the region 4; the microgroove 5 is flat and elongated Asymmetrical and unequal-depth "one"-shaped micro-groove structure (such as figure 2 shown).

[0030] Aforesaid microgroove 5 (as Figure 3-5 As shown) the cross-section on the plane perpendicular to the flank face is asymmetrically curved, the bottom surface 7 of the microgroove 5 is a curved surface, and the maximum depth H of the microgroove 5 is 0.1-0.2mm, preferably 0.15mm.

[0031] The length L of aforementioned microgroove 5 is 4~8mm, optimally is 7.4mm; The width W of microgroove 5 1 0.5 ~ 1.2mm, the total groove width W 2 1 ~ 1.8mm (such as figure 2 shown), W 1The preferred value is 0....

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Abstract

The invention discloses a hard alloy microgroove turning tool for cutting high-strength alloy steel 40CrMnMo. The hard alloy microgroove turning tool comprises a front tool surface (1); a main cutting edge (2) is formed on the edge of the front tool surface (1); a microgroove (5) is formed in a cutting edge near area (4) of the front tool surface (1); the microgroove (5) is of a transverse l-shaped structure. The hard alloy microgroove turning tool has the characteristics of reducing a cutting temperature and improving the durability of the tool.

Description

technical field [0001] The invention relates to a cutting tool used in the field of cutting processing, in particular to a hard alloy micro-groove turning tool for cutting high-strength alloy steel 40CrMnMo. Background technique [0002] Cutting is the main means of material removal in the machinery manufacturing industry, and the quality of cutting tools directly affects the efficiency and quality of cutting. In the cutting process, the cutting edge is the main part of removing material, the cutting edge and the rake face area near the cutting edge (the near area of ​​the cutting edge, the small area on the rake face of the tool close to the cutting edge, such as figure 2 The area circled by the middle ellipse) has the harshest working environment, and its structure is directly related to the durability of the tool, so a reasonable design of the near-field structure of the cutting edge is particularly important to improve the cutting performance of the tool. At present, th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B27/14
CPCB23B27/145
Inventor 何林蒋宏婉占刚邹中妃吴锦行杨薪玉
Owner GUIZHOU UNIV