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Slotting cutter

A technology of end mills and cutting tools, which is applied in the direction of milling cutters, milling machine equipment, manufacturing tools, etc., which can solve the problems of easy swing, large hole size, and unstable drill bit, etc., and achieve the effect of stable drilling

Inactive Publication Date: 2010-07-21
苏州富莱克精密工具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the width of the margin is an important factor affecting the processing quality of the tool. If the margin is too wide, the larger friction will be generated during processing, which will cause the size of the processed hole to be too large; on the contrary, if the margin is too narrow, the drill will be unstable. It is easy to cause vibration during processing

Method used

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  • Slotting cutter
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Examples

Experimental program
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Embodiment Construction

[0012] as attached figure 1 And attached figure 2 As shown, the present invention discloses a 3-blade alloy end mill, which has a cylindrical tool body, the rear end of the body forms a tool handle 1, and the front end forms a cutting part 2, and the cutting part 2 Three discharge grooves 4 are provided along the spiral direction on the outer peripheral surface. One side of the discharge groove 4 facing the direction of tool rotation forms the main rake face 6, while the other side of the discharge groove 4 forms the main rake face 6. The flank 9, the junction between the main rake face 6 and the outer peripheral surface of the body has a cutting edge zone 5, the width of the cutting edge zone 5 is the outer diameter of the cutting part 2 0.01~0.13, in this embodiment, the maximum outer diameter of the cutting part 2 is Φ8mm, and the width h of the cutting edge 5 is 0.08~0.1mm, as attached image 3 shown. The main cutting edge 3 is located at the intersection line between ...

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PUM

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Abstract

The invention relates to a slotting cutter with a cylindrical cutter body. The back-end part of the body forms a tool shank and the front-end part forms a cutting part. The cutting part is provided with at least two discharge troughs along a spiral direction on the surface of an outer circumference. A profile of the discharge troughs towards a cutter rotation direction forms a main rake face. The conjunction between the main rake face and the outer circumference surface of the body forms a cutting edge belt. The width of the cutting edge belt is 0.01-0.013 of the outer diameter of the cutting part. The main rake face is provided with a negative chamfer. The invention has the advantages of good stability and high smooth finish of a side wall surface of a processed hole.

Description

technical field [0001] The invention relates to an end mill for machining holes on a numerically controlled machine tool. Background technique [0002] Common end mills in the prior art are used for milling planes, and can also be used for machining holes. The tool body of the end mill is generally cylindrical or conical, and several spiral discharge grooves are opened on the tool body. A cutting margin is formed between the discharge grooves. The margin is at the outermost part of the drill bit, forming the outer diameter of the drill bit. When machining a hole, the margin is always in contact with the machined surface of the hole. Margins help to control friction and the heat generated by friction, improve drilling stability, increase the strength of the drill bit and improve the quality of the drilling process. Among them, the width of the margin is an important factor affecting the processing quality of the tool. If the margin is too wide, the larger friction will be ge...

Claims

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Application Information

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IPC IPC(8): B23C5/10
Inventor 周瑞华
Owner 苏州富莱克精密工具有限公司