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Ball head milling cutter provided with bionic microtextures and having air cooling function

A ball-end milling cutter and micro-texture technology, which is applied to milling cutters, milling machine equipment, manufacturing tools, etc., can solve the problems of low surface efficiency and poor surface quality of titanium alloy workpieces, and achieve good friction and wear performance and lubricity , cutting force and temperature reduction, wear reduction effect

Active Publication Date: 2017-05-31
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the surface efficiency of the existing ball-end milling cutter for processing titanium alloy workpieces is low, and the surface quality of the processed workpiece is poor, the invention further proposes a ball-end milling cutter with a biological imitation micro-weave structure and air cooling function

Method used

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  • Ball head milling cutter provided with bionic microtextures and having air cooling function
  • Ball head milling cutter provided with bionic microtextures and having air cooling function
  • Ball head milling cutter provided with bionic microtextures and having air cooling function

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specific Embodiment approach 1

[0007] Specific implementation mode one: combine Figure 1 to Figure 6 Describe this embodiment, a ball end milling cutter with bionic micro-weave structure and air-cooling function described in this embodiment includes a cutter, a rotating assembly and a ventilation assembly, and the cutter is arranged along the arc direction of the blade There are a plurality of microtexture groups 1, each microtexture group 1 consists of a first microtexture 1-1, two second microtextures 1-2 and two third microtextures 1-3, two The second micro-texture 1-2 and two third micro-textures 1-3 are symmetrically arranged on both sides of the first micro-texture 1-1, and the two third micro-textures 1-3 are located on the two second On the outside of the micro-texture 1-2, there is at least one micro-pit texture 1-4 inside the first micro-texture 1-1, and the micro-pit texture 1-4 passes through the ventilation assembly and the rotating assembly connect. In this embodiment, a plurality of micro-...

specific Embodiment approach 2

[0008] Specific implementation mode two: combination Figure 1 to Figure 6 This embodiment is described. A rotating assembly of a ball end mill with a biologically imitated micro-weave structure and an air-cooling function in this embodiment includes a housing 2, a first rotating shaft 3 and a second rotating shaft 4. The second A rotating shaft 3 and a second rotating shaft 4 are sequentially arranged in the housing 2 from top to bottom, the outer wall of the housing 2 is provided with an air inlet 2-1, and the housing 2 is provided with a first air duct, the first rotating The shaft 3 is provided with a second air passage, the second rotating shaft 4 is provided with a third air passage, the lower end of the second rotating shaft 4 is provided with an air outlet 4-1, an air inlet 2-1, and the first air passage , the second air passage, the third air passage, and the air outlet 4-1 form a cold air passage. The air outlet pipe of the cooling fan is connected with the air inle...

specific Embodiment approach 3

[0009] Specific implementation mode three: combination Figure 1 to Figure 6 Describe this embodiment, a slip ring 5 of a ball-end milling cutter with a bionic micro-weave structure and an air-cooling function, at least one ventilation main pipe 6 and a plurality of sub-ventilation pipes 7, micro-circular pits The texture 1-4 is connected to the ventilation main pipe 6 through the sub-ventilation pipe 7, and the ventilation main pipe 6 is connected to the air outlet 4-1 through the slip ring 5. The cold air generated by the cooling fan enters the sub-ventilation pipe 7 through the cold air channel and the ventilation main pipe 6, and then is ejected from the micro-pit texture 1-4, so that the cold air enters the knife-chip contact area to reduce the cutting temperature and avoid cutting scraping The purpose of damaging the surface of the workpiece; the sub-ventilation pipe 7 is connected with the slip ring 5 after being drawn out from the cutter, so as to ensure that no windin...

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Abstract

The invention relates to a ball head milling cutter, in particular to a ball head milling cutter provided with bionic microtextures and having an air cooling function to solve the problems that according to an existing ball head milling cutter, the efficiency for machining the surface of a titanium alloy workpiece is low, and the quality of the surface of the workpiece after machining is poor. The ball head milling cutter comprises a tool, a rotating assembly and a ventilating assembly. Multiple microtexture sets are evenly distributed in the arc direction of a cutting edge on the tool. Each microtexture set includes a first microtexture, two second microtextures and two third microtextures, wherein the two second microtextures and the two third microtextures are symmetrically arranged on the two sides of the first microtexture, the two third microtextures are located on the outer sides of the two second microtextures, at least one micro-round-pit texture is arranged in the first microtexture, and the micro-round-pit texture is connected with the rotating assembly through the ventilation assembly. The ball head milling cutter belongs to the field of machining.

Description

technical field [0001] The invention relates to a ball-end milling cutter, in particular to a ball-end milling cutter with a biological imitation micro-weave structure and an air cooling function, belonging to the field of mechanical processing. Background technique [0002] In the process of machining titanium alloys with ball end milling cutters, cutting force, cutting temperature and tool wear are all important factors affecting the processing efficiency and surface quality of the workpiece. For titanium alloy, due to its physical characteristics such as small thermal conductivity and small specific heat, it will cause severe wear of the tool, greatly reducing the surface quality and processing efficiency of the workpiece. The application of micro-texture greatly reduces the wear degree of the tool and the friction between the tool and the workpiece, and at the same time reduces the cutting temperature generated during the cutting process, especially the micro-textured st...

Claims

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Application Information

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IPC IPC(8): B23C5/02B23C5/28
CPCB23C5/02B23C5/28
Inventor 杨树财佟欣吴雪峰刘献礼
Owner HARBIN UNIV OF SCI & TECH
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