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A kind of titanium alloy processing high-strength square milling insert

A milling blade, high-strength technology, applied in the direction of metal processing equipment, milling cutter, milling machine equipment, etc., can solve the problems of low processing efficiency, tool wear, and low processing surface quality, so as to achieve low processing cost, ease wear, improve The effect of surface quality

Inactive Publication Date: 2018-10-26
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to propose a high-strength square milling insert for titanium alloy processing to solve the problems of low surface quality, serious tool wear and low processing efficiency when the existing milling insert is processing titanium alloy.

Method used

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  • A kind of titanium alloy processing high-strength square milling insert
  • A kind of titanium alloy processing high-strength square milling insert
  • A kind of titanium alloy processing high-strength square milling insert

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specific Embodiment approach 1

[0023] Specific implementation mode one: as Figure 1~Figure 5 As shown, a titanium alloy processing high-strength square milling insert, the milling insert is made of hard alloy material, the top surface area of ​​the milling insert is greater than the area of ​​the bottom surface 13, and the horizontal cross-sectional shape of the milling insert is a square (The side length of the milling blade is 10.2mm, and the thickness is 3.6mm). The geometric center of the milling blade is provided with a threaded mounting hole 4 for fixed connection with the cutter bar along the thickness direction; the milling blade is provided with two Tool tip 5, the two tool tips 5 are arranged symmetrically with respect to the geometric center of the milling insert (both tool tips 5 have a radius of 0.5mm); one side of each tool tip 5 is provided with a main cutting edge 1 , the other side of each tool nose 5 is provided with a wiper edge 2, the two main cutting edges 1 are arranged symmetrically ...

specific Embodiment approach 2

[0026] Specific implementation mode two: as Figure 1~Figure 3 and Figure 5 As shown, the high-strength square milling insert for processing titanium alloy described in Embodiment 1, each set of tapered protrusions includes five tapered protrusions 6, and the five tapered protrusions 6 Arranged at equal intervals along the length direction of the main cutting edge 1.

specific Embodiment approach 3

[0027] Specific embodiment three: a kind of high-strength square milling insert for processing titanium alloy described in specific embodiment one, the rake angle of the milling insert is 8°, the rear angle is 10°, the blade inclination angle is 5°, the main The deflection angle is 90°. The milling insert can achieve a large amount of cutting, and at the same time, it can reduce the effect of excessive axial pressure on the processed surface. It is suitable for cutting titanium alloy, and the milling insert has a complete structure and low processing cost.

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Abstract

The invention discloses a high-strength square milling insert for titanium alloy processing, which belongs to the technical field of cutting tools. The invention solves the problems of low processing surface quality, serious tool wear and low processing efficiency when the existing milling inserts process titanium alloys. The horizontal section shape of the milling insert is square, and the geometric center of the milling insert is provided with a threaded mounting hole for fixed connection with the tool holder along the thickness direction; The side is provided with a main cutting edge and a wiper edge, and the two main cutting edges and two wiper edges are symmetrically arranged relative to the geometric center of the milling insert, and there are two sets of conical protrusions on the rake face of the milling insert , two sets of conical protrusions are adjacent to the two main cutting edges. The flank surface of the milling insert including the main cutting edge is composed of the main cutting edge flank surface and the insert base flank from top to bottom. The insert base The flank is an inclined plane with the lower part inclined towards the inner side of the milling insert. The invention is used for milling titanium alloy workpieces.

Description

technical field [0001] The invention relates to a milling insert, belonging to the technical field of cutting tools. Background technique [0002] Since the 20th century, the scale of aerospace engineering has been increasing, and the complexity of engineering technology has become higher and higher. In the process of accelerating the rapid development of aerospace, the technological innovation of engines has always been the core of aerospace development, mainly in high temperature and high pressure. , Working in a high-speed environment, and in order to meet the safety performance requirements of the relevant parts, according to industry standards, the accuracy and performance of the relevant important parts must be guaranteed at the same time. At the same time, due to the low density, high thermal strength and durable strength of titanium alloy, low sensitivity to crack propagation under the action of vibration load and impact load, and good corrosion resistance, it is pre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23C5/22
CPCB23C2210/247B23C2210/08B23C5/2213
Inventor 程耀楠聂婉莹贾炜坤王超杨金龙
Owner HARBIN UNIV OF SCI & TECH
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