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Indexable turning blade for high temperature alloy semifinishing under high-pressure cooling

A high-temperature alloy, semi-finishing technology, used in metal processing equipment, tools for lathes, cutting inserts, etc., can solve the problems of difficult to guarantee machining accuracy, poor machinability of materials, wear and tear of turning inserts, etc. quality, reducing cutting temperature, reducing the effect of tool wear

Inactive Publication Date: 2017-09-29
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 solve the problem that most turning blades are in the cutting process of high-temperature alloys. Due to the poor machinability of materials, there are large cutting forces, high cutting temperatures, difficult chip breakage, difficult chip removal, serious wear and damage of turning blades, and serious machining problems. To solve problems such as difficulty in guaranteeing precision, an indexable turning insert for semi-finishing superalloys under high-pressure cooling is provided

Method used

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  • Indexable turning blade for high temperature alloy semifinishing under high-pressure cooling
  • Indexable turning blade for high temperature alloy semifinishing under high-pressure cooling
  • Indexable turning blade for high temperature alloy semifinishing under high-pressure cooling

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specific Embodiment approach 1

[0022] Specific implementation mode one: as Figure 1-Figure 7 As shown, this embodiment discloses an indexable turning insert for semi-finishing superalloys under high-pressure cooling, including a turning insert body, the outer contour of the horizontal section of the turning insert main body is hexagonal, and the hexagonal The geometric center of the car blade main body 5 is provided with a fastening screw hole 6, and the outer periphery of the hexagonal car blade main body 5 top surface is provided with a rake face 3, and the six corners of the hexagonal car blade main body 5 are formed by three 80 ° angle and three 160 ° angles are arranged alternately to form successively, three 80 ° angle places of hexagonal turning blade main body 5 are all provided with circular arc knife tip 1, and the six outer edges of hexagonal turning blade main body 5 top surfaces A negative chamfer cutting edge 8 is provided, and a protrusion 2 is provided near each of the circular arc tool tip...

specific Embodiment approach 2

[0025] Specific implementation mode two: as figure 1 , image 3 As shown, this embodiment is a further description of the first embodiment, and the shape of the protrusions 2 near each circular-arc knife tip 1 is tower-shaped.

[0026] Both the tower-shaped protrusion and the broken-line stepped chip breaker 4 need to ensure the proportional size and strength of the structure, and play a certain role in chip breaking and chip guiding, which can meet the chip space requirements of the chip slot 7 and play a role in chip removal. function, and store a certain amount of coolant at the same time, which can reduce the temperature of the turning blade during the cutting process.

specific Embodiment approach 3

[0027] Specific implementation mode three: as figure 1 , image 3 , Figure 5 , Figure 7 As shown, this embodiment is a further description of Embodiment 1. The combination of the rake face 3 and the negative chamfer cutting edge 8 forms a double rake angle design, and the rake angle of the turning insert is 10° , the angle of the negative chamfer is -15°, the width of the negative chamfer is 0.1mm, and the relief angle of the turning blade is 0°. It is also possible to form a suitable relief angle by combining with the high-pressure cooling turning tool holder, so that the turning Blades are more practical.

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Abstract

The invention relates to an indexable turning blade for high temperature alloy semifinishing under high-pressure cooling, and belongs to the technical field of turning tools. The turning blade comprises a turning blade body, the shape of the outline of the horizontal cross section of the turning blade body is hexagon, a fastening screw hole is formed in the geometrical center of the hexagonal turning blade body, a front cutter face is arranged on the outer periphery of the top face of the hexagonal turning blade body, and the six vertex angles of the hexagonal turning blade body are composed of three 80-degree angles and three 160-degree angles which are sequentially and alternatively arranged; arc cutter tips are arranged at the three 80-degree angles of the hexagonal turning blade body, negative chamfered edge cutting edges are arranged at the six outer edges of the top face of the hexagonal turning blade body, and protrusions are arranged nearby each arc cutter tip; and fold line step-shaped chip breaker grooves are arranged on the top face of the hexagonal turning blade body and the corresponding positions of the 160-degree angles on the front cutter face, chip grooves are composed of the fold line step-shaped chip breaker grooves and the front cutter face, and the bottom face of the hexagonal turning blade body is a blade installing supporting face. The indexable turning blade is used for high temperature alloy semifinishing under high-pressure cooling.

Description

technical field [0001] The invention relates to a turning blade for high-temperature alloy processing, which belongs to the technical field of turning tools. Background technique [0002] Superalloys are widely used in the fields of aviation, aerospace, navigation and nuclear power industry due to their excellent mechanical properties such as high fatigue strength and high yield strength under high temperature conditions, but superalloys are a typical Difficult-to-machine materials, poor machinability, severe work hardening, high cutting force, high cutting temperature, and difficult chip breakage have a great impact on the high-quality and high-efficiency processing of superalloys. At present, cemented carbide tools are mainly used to process high-temperature alloys. During the cutting process, the tools are severely worn and damaged, and their service life is short. It is difficult to guarantee the processing quality and efficiency of parts. One of the effective ways to s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B27/00B23B27/22
CPCB23B27/005B23B27/22B23B2200/0404B23B2200/087B23B2200/245B23B2200/325
Inventor 吴明阳于永新程耀楠田兆晖郝鹏飞
Owner HARBIN UNIV OF SCI & TECH
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