Milling cutter, cutting insert, and milling method
A technology of milling processing and milling cutter, which is applied in the direction of milling cutting blades, milling cutters, metal processing equipment, etc., and can solve the problems of complex manufacturing process and poor production efficiency
Active Publication Date: 2019-03-01
株式会社阿雷斯提
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- Description
- Claims
- Application Information
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Problems solved by technology
[0012] However, in the manufacturing method in which a smooth flat surface is machined on a workpiece with a replaceable bit milling cutter, and then the flat surface is roughened using a grinding stone or the like in a separate process, the manufacturing process is complicated and the production efficiency is poor.
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[0080] Hereinafter, the replaceable-tip milling cutter 1 according to one embodiment of the present invention and the cutting inserts 20 and 30 for milling used therein will be described with reference to the accompanying drawings.
[0081] [Outline structure of replaceable head milling cutter]
[0082] Such as Figure 1~3 As shown, the replaceable-tip milling cutter 1 of this embodiment is a cutting tool (turning tool) for milling a workpiece made of a metal material such as aluminum alloy. Specifically, the replaceable head milling cutter 1 is a milling cutter that mainly performs surface cutting on a material to be cut. The aforementioned surface cutting refers to milling in which a machined surface perpendicular to the axis O of the tool body 2 is formed on the workpiece W as shown in FIG. 8 .
[0083] The replaceable-tip milling cutter 1 of the present embodiment includes a tool body 2 made of steel or the like, and cutting inserts 20 and 30 made of hard materials such ...
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Abstract
The invention provides a milling cutter. This milling cutter is provided with: a tool body which is rotated about an axis; and multiple cutting edges which are provided on a distal-end outer circumferential section of the tool body so as to be spaced from each other in the circumferential direction. Each of the multiple cutting edges includes: a flat surface processing cutting edge which extends along an imaginary plane perpendicular to the axis; and a recessed groove processing cutting edge which protrudes toward the distal end side in the axial direction relative to the flat surface processing cutting edge. The recessed groove processing cutting edge has: a first tilted part which extends more toward the distal end side in the axial direction at portions thereof further in the radially outward direction orthogonal to the axis; a second tilted part which is disposed at the outer side in the radial direction relative to the first tilted part and which extends more toward the proximal end side in the axial direction at portions thereof further in the radially outward direction; and a tip end section which connects the first tilted part and the second tilted part to each other.
Description
technical field [0001] The present invention relates to a milling cutter, a cutting insert, and a milling method capable of performing milling while keeping the surface roughness of a material to be cut within a desired range. [0002] This application claims the priority of Japanese Patent Application No. 2016-77407 filed in Japan on April 7, 2016, and uses the content thereof here. Background technique [0003] Conventionally, there are known, for example, chip-replaceable milling cutters shown in Patent Documents 1 and 2 below. A milling cutter with a replaceable head includes: a tool body that rotates around an axis; a plurality of insert mounts formed at intervals from each other in the circumferential direction on the outer peripheral portion of the front end of the tool body; and cutting inserts that are respectively detachable. Installs in the aforementioned blade mount. [0004] In addition, the cutting insert is provided with a front cutting edge (flat surface pr...
Claims
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IPC IPC(8): B23C5/06B23C3/00B23C5/20
CPCB23C5/06B23C3/34B23C5/2472B23C2200/205B23C2215/08B23C2220/36B23C2222/04B23C2226/125B23C2226/315B23C5/202B23C5/20B23C3/30
Inventor 涩谷润一郎长谷川正昭龙田贡二
Owner 株式会社阿雷斯提