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Ball-end mill with multifunctional micro-texture in titanium alloy machining

A ball-end milling cutter and titanium alloy technology, applied in the field of mechanical processing, can solve the problems of non-environmental protection of cooling and lubrication methods, low surface efficiency of titanium alloy workpieces, and poor surface quality of workpieces, so as to achieve environmental protection of lubrication methods and prevent chips from being too long , lubrication and timely effect

Active Publication Date: 2017-02-22
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of low surface efficiency of milling cutters in processing titanium alloy workpieces, poor surface quality of processed workpieces, unenvironmental cooling and lubrication methods, and untimely tool change, the invention further proposes a multifunctional micro woven structure ball end milling cutter

Method used

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  • Ball-end mill with multifunctional micro-texture in titanium alloy machining
  • Ball-end mill with multifunctional micro-texture in titanium alloy machining
  • Ball-end mill with multifunctional micro-texture in titanium alloy machining

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specific Embodiment approach 1

[0008] Specific implementation mode one: combine Figure 1 to Figure 6 Describe this embodiment, a ball end milling cutter with a multi-functional micro-weave structure in titanium alloy processing described in this embodiment, it includes a cutter head, the blade of the cutter head is provided with at least one Arrow-shaped micro-weave structure 1 , at least one zigzag-shaped micro-weave structure 2 , at least one bowl-shaped micro-weave structure 3 , and at least one rectangular micro-weave structure 4 . Each micro-texture has a certain order, the arrow-shaped micro-texture 1 is closest to the blade, followed by the zigzag micro-texture 2, the bowl-shaped micro-texture 3 and the rectangular micro-texture 4, the advantage of this arrangement is that the blade Allows quick access and full access to the tool-chip contact area. After the zigzag micro-woven structure 2 breaks the chip, it is quickly discharged by the bowl-shaped micro-woven structure 3. The reason for placing th...

specific Embodiment approach 2

[0009] Specific implementation mode two: combination Figure 1 to Figure 6 To illustrate this embodiment, the arrow-shaped micro-weave structure 1 of a ball-end milling cutter with a multi-functional micro-weave structure in this embodiment is arranged along the arc direction of the cutting edge, and the arrow-shaped The microtexture structure 1 has a width of 80 μm, a texture depth of 100 μm, and a length of 300 μm. The included arrow texture angle of the arrow-shaped micro-texture structure 1 is 90°, and the texture can be completed by femtosecond laser processing technology, chemical etching or 3D printing technology. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0010] Specific implementation mode three: combination Figure 1 to Figure 6 This embodiment is described. The zigzag micro-weave structure 2 of a ball end milling cutter with a multi-functional micro-weave structure in the processing of titanium alloy described in this embodiment is arranged along the arc direction of the cutting edge, and the zigzag shape Microtexture 2 is a convex texture body with a tooth height of 50 μm and a draft angle of 25°. The texture adopts the electrodeposition preparation method of metal chromium coating, and the metal chromium coating has strong wear resistance; after pretreatment on the surface of the tool, the material is entered into the acid electrolyte for electric sinking, and heat treatment is carried out after coating, so as to obtain Convex micro-texture, this texture plays a role of chip breaking in titanium alloy processing, which is conducive to the timely discharge of chips. Other components and connections are the same as those in...

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Abstract

The invention provides a ball-end mill with a multifunctional micro-texture in titanium alloy machining, relates to a ball-end mill, in particular to the ball-end mill with the multifunctional micro-texture in titanium alloy processing, and aims at solving the problems of lower efficiency of processing the surface of a titanium alloy workpiece by a milling cutter,, poorer quality of the processed workpiece surface, no environmental protection in cooling and lubricating modes, untimely tool change and the like. The ball-end mill comprises a cutter head; and a blade part of the cutter head is sequentially provided with at least one arrow-shaped micro-texture, at least one sawtooth-shaped micro-texture, at least one bowl-shaped micro-texture and at least one rectangular micro-texture from outside to inside. The ball-end mill 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 multifunctional micro-woven structure in titanium alloy processing, and belongs to the field of mechanical processing. Background technique [0002] Titanium alloy has good corrosion resistance, toughness and heat resistance, so it is widely used in aerospace field. However, the unique characteristics of titanium alloys, such as: small thermal conductivity, small specific heat and active chemical properties, etc., have brought difficulties to its processing. The active chemical properties lead to high-temperature oxidation reaction of titanium alloy with air during processing, which reduces the plasticity of titanium alloy and increases its strength, so the cutting temperature is higher during processing. The small thermal conductivity and specific heat will lead to the inability to dissipate the cutting heat in time during the milling process, which ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C5/10B23C5/16B23C5/28
CPCB23C5/1009B23C5/165B23C5/28
Inventor 杨树财佟欣吴雪峰刘献礼
Owner HARBIN UNIV OF SCI & TECH
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