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High-efficiency chip-breaking wear-reducing double-sided diamond turning tool blade under high-pressure cooling

A blade and chip breaking technology, which is applied in the field of high-efficiency chip breaking and wear-reducing double-sided diamond turning blades, can solve the problems of high cutting temperature, tool wear, and large cutting force, so as to reduce cutting temperature, prolong service life, and reduce cutting resistance Effect

Pending Publication Date: 2021-03-12
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a high-efficiency chip-breaking and wear-reducing double-sided cutting tool under high-pressure cooling for the problems of high cutting temperature, large cutting force, difficult chip breaking, and serious tool wear in the process of cutting high-temperature alloy materials in the existing turning blades. Diamond turning blade

Method used

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  • High-efficiency chip-breaking wear-reducing double-sided diamond turning tool blade under high-pressure cooling
  • High-efficiency chip-breaking wear-reducing double-sided diamond turning tool blade under high-pressure cooling
  • High-efficiency chip-breaking wear-reducing double-sided diamond turning tool blade under high-pressure cooling

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specific Embodiment approach 1

[0020] Specific implementation mode one: combine Figure 1-Figure 6 Describe this embodiment. The high-efficiency chip-breaking and wear-reducing double-sided diamond-shaped turning insert described in this embodiment has an 80° diamond-shaped cutter body, and the horizontal section is center-symmetrical. The double-sided usable design is adopted. The pressing threaded hole (8) at the position fixes the insert on the tool holder, and there is a straight cutting edge (6) on the edge of the rake face (5) of the insert, and the intersection of every two straight cutting edges (6) is a circular arc Tool tip (7), circular groove micro-texture (2) is distributed at each circular-arc tool tip (7), and a triangular chip-breaking boss ( 3), each triangular-shaped chip-breaking boss (3) is provided with a circular chip-breaking groove (4), and a combined disc-shaped boss is provided near the pressing threaded hole (8) in the middle area of ​​the blade. There are 8 trapezoidal protrusio...

specific Embodiment approach 2

[0021] Specific implementation mode two: combination figure 1 with Figure 4 To illustrate this embodiment, the blade described in this embodiment is placed near the circular arc tool tip (7) into a circular groove micro-texture (2) distributed in a linear array with a radius of 25 μm and a depth of 35 μm, effectively reducing the The friction coefficient of the tool-chip interface during the cutting process improves the stress distribution and heat dissipation conditions of the tool, inhibits the chips from sticking on the rake face (5), slows down the wear of the arc tool tip (7), and improves the tool durability; The circular groove micro-texture (2) distributed linearly, its direction is perpendicular to the chip flow direction, so that the tool has the effect of reducing wear and anti-wear; when cutting under conventional and high-pressure cooling conditions, the circular groove micro-texture The texture (2) can store a small amount of coolant or lubricant to lubricate t...

specific Embodiment approach 3

[0022] Specific implementation mode three: combination figure 1 with Image 6 Describe this embodiment, the quasi-triangular chip breaking boss (3) in this embodiment can reduce the cutting force, improve the strength of the arc tip (7), and enhance the chipping resistance of the arc tip (7); Under the action of the anti-chip angle of the triangular chip-breaking boss (3), the curling radius of the chip becomes smaller, which increases the curling strain generated inside the chip, thereby intensifying the internal plastic deformation of the chip, which is conducive to the rapid breaking of the chip and makes the cutting process smooth and stable proceed.

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Abstract

The invention discloses a high-efficiency chip-breaking wear-reducing double-sided diamond turning tool blade under high-pressure cooling, and belongs to the technical field of cutting tools. The double-sided diamond turning tool blade aims to solve the problems that an existing blade is high in cutting temperature, large in cutting force, difficult in chip breaking, serious in tool wear, low in cutting efficiency and the like in the cutting machining process. The double-sided diamond turning tool blade comprises a double-sided available diamond blade with an included angle of 80 degrees, wherein linear cutting edges are arranged at the edges of a front blade face of the blade; circular protrusions are arranged on the front blade face along the directions of the linear cutting edges, a circular arc-shaped tool nose is arranged at the intersection of every two cutting edges, and a circular groove microstructure is distributed at each circular arc-shaped tool nose; triangular-like chip breaking bosses are arranged at the positions close to the circular groove microstructures, and a circular chip breaking groove is formed in each triangular-like chip breaking boss; and combined microstructures are arranged on a rear blade face of the blade, eight trapezoidal protrusions are distributed in the middle area of the blade, and a flow guide groove is formed between every two adjacent trapezoidal protrusions. The high-efficiency chip-breaking wear-reducing double-sided diamond turning tool blade under high-pressure cooling is used for semi-finish machining and finish machining of a high-temperature alloy material under a high-pressure cooling condition.

Description

technical field [0001] The invention belongs to the technical field of cutting tools, and in particular relates to a high-efficiency chip-breaking and wear-reducing double-sided diamond-shaped turning blade under high-pressure cooling. Background technique [0002] Superalloys are the most critical structural materials to promote the development of aero-engines. They have good comprehensive properties such as high temperature resistance, corrosion resistance, wear resistance, and fatigue resistance. With the rapid development of the aviation manufacturing industry, the application of superalloys is becoming more and more extensive. ; For example, hot-end components such as turbine disks, guide vanes, and combustion chambers in aero-engines; however, superalloys are typical difficult-to-machine materials with poor machinability and low thermal conductivity. The phenomenon of work hardening, and there are phenomena such as large cutting force, high cutting temperature, and dif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B27/00
CPCB23B27/00B23B2200/0428B23B2200/321B23B2200/325
Inventor 吴明阳张亚利张剑宇张广鑫程耀楠
Owner HARBIN UNIV OF SCI & TECH
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