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Milling tool, in particular a thread milling tool

A technology of milling cutter and cutter head, applied in the field of milling cutter, can solve problems such as troublesome cost, and achieve the effect of good milling chip discharge

Active Publication Date: 2014-11-26
KOMET GROUP GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The manufacture of such cutter heads is laborious and costly

Method used

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  • Milling tool, in particular a thread milling tool
  • Milling tool, in particular a thread milling tool
  • Milling tool, in particular a thread milling tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0071] The milling cutters mentioned below are advantageously thread milling cutters. However, other knife forms are also possible. These tools can be designed in such a way that only outer contours can be produced with them. In this case, the cutting tip is accommodated in an end-side cavity and is enclosed by the base body. This milling cutter is called a bell milling cutter.

[0072] The cutting tips can also be arranged radially on the circumference of the basic body. In this case, the tool can machine the inner and / or outer contour similarly to a shank milling cutter. For larger cutting lengths, a plurality of cutting heads arranged axially offset one behind the other can also be used.

[0073] Figures 1 to 4 The milling cutter shown is a bell-shaped milling cutter and has a cylindrical shank 1 with which the milling cutter can be accommodated in a tool holder. On the shank end there is a base body 2 forming the working part of the milling cutter, which base body c...

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PUM

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Abstract

The invention relates to milling tools, comprising a shaft (1) and a work element (2), that is provided with holders (7) for cutting inserts (8). So that the milling tool allows secure and reliable fastening and positioning of the cutting inserts (8) on the work element (2), while being simple to manufacture and assemble, the fastening elements (22) are formed by clamping elements, by means of which the cutting inserts (8) are clamped with at least one oblique surface against an oblique surface of the holder (7). The clamping elements (22) engage on an oblique clamping surface of the cutting insert (8) located opposite of the oblique surface of the cutting insert (8). Under the force of the clamping elements, the oblique surfaces of the cutting inserts (8) are braced against the oblique surfaces of the holders (7). Simultaneously with the bracing, the cutting inserts (8) are positioned in the mounted position. The milling tools are advantageously thread millers.

Description

technical field [0001] The invention relates to a milling cutter, in particular a thread milling cutter. Background technique [0002] In known milling cutters, the working part is provided with a receptacle for the cutting head. These receptacles are radially open, so that the inserts can be inserted transversely to the longitudinal direction of the receptacles. The cutter head is fixed in the receptacle by means of fixing screws, which clamp the cutter head in the receptacle and act on the outer sides of the cutter head which are parallel to one another. In this way, the tool head can only be fixed in the working part with insufficient clamping force. [0003] There are also known thread milling cutters whose heads are provided with recesses on opposite longitudinal sides, into which recesses a clamping screw can be inserted, which rests with a flat end face against the recess. On the bottom of the groove and in this way the bit is held in the receptacle. The productio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23C5/10B23C5/20B23C5/22B23G5/18
CPCB23G2210/08B23G2210/04B23G2200/10B23G5/18
Inventor K-H·埃德尔曼
Owner KOMET GROUP GMBH