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A microstructure cemented carbide turning insert for cutting 304 stainless steel

A technology of 304 stainless steel and hard alloy, which is applied in the direction of lathe tools, turning equipment, tool holder accessories, etc., can solve the problem of reducing cutting temperature, achieve increased contact area, obvious cooling effect, and improve durability Effect

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

From the above, it can be seen that there is no structural design on how to reduce the cutting temperature on the near-field of the cutting edge in the industry.

Method used

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  • A microstructure cemented carbide turning insert for cutting 304 stainless steel
  • A microstructure cemented carbide turning insert for cutting 304 stainless steel
  • A microstructure cemented carbide turning insert for cutting 304 stainless steel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Example 1. A kind of microstructure cemented carbide turning blade for cutting 304 stainless steel, its composition is as follows figure 1 and 2 As shown, including the rake face 1, the edge of the rake face 1 is provided with 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 asymmetrical and integral Baseball bat-shaped microstructures of unequal width and depth (such as figure 2 shown).

[0032] Aforesaid microgroove 5 (as image 3 As shown), the section of the microgroove 5 is asymmetrically curved, the bottom surface 7 of the microgroove 5 is flat or curved, and the maximum depth H of the microgroove 5 is 0.1-0.3mm.

[0033] The length L of aforementioned microgroove 5 is 1~3.5mm; The maximum width W of microgroove 5 (as figure 2 shown) is 0.5~2.5mm.

[0034] The distance T (such as figure 2 Shown) is 0.08 ~ 0.5mm, the optimum is 0.1mm.

[0035] The connection form between...

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Abstract

The invention discloses a micro-structure hard alloy lathe tool blade for cutting 304 stainless steel. The micro-structure hard alloy lathe tool blade comprises a front tool face (1). A main cutting edge (2) is arranged on the edge of the front tool face (1), and a micro-groove (5) is formed in a cutting edge near field (4) of the front tool face (1); the micro-groove (5) is in a baseball bat shape. The micro-structure hard alloy lathe tool blade has the advantages of reducing cutting temperature and improving the durability of a tool.

Description

technical field [0001] The invention relates to a cutting tool used in the field of cutting processing, in particular to a microstructure hard alloy turning blade for cutting 304 stainless steel. 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 refers to the small area on the rake face of the tool close to the cutting edge, such as figure 2 The area surrounded by the middle dotted line) has the worst working environment, and its structure is directly related to the durability of the tool, the efficiency and quality of machining, so the reasonable design of the cutting edge and the near-field structure of the cutting edge is particularly importan...

Claims

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Application Information

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