Electrode graphite milling cutter and face milling cutter for machining oxide ceramics

A graphite and electrode technology, which is used in the field of end mills for processing oxide ceramics, can solve the problems of rapid wear and tear of milling tools and rapid wear and tear.

Active Publication Date: 2018-08-03
HUFSCHMIED ZERSPANUNGSSYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since graphite is a highly abrasive material, it requires high cutting speeds during cutting operations and causes rapid wear and thus rapid wear of the milling tool due to the wear particles generated here

Method used

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  • Electrode graphite milling cutter and face milling cutter for machining oxide ceramics
  • Electrode graphite milling cutter and face milling cutter for machining oxide ceramics
  • Electrode graphite milling cutter and face milling cutter for machining oxide ceramics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] The electrode graphite milling cutter shown in the figure as especially from figure 1 It can be seen that there are four equidistantly spaced chip flutes 1 , 2, 3, 4 which surround the machining lands 5, 6, 7, 8 placed around the core segment of the electrode graphite milling cutter. spaced apart from each other. as by Figure 2-5 It can be seen that two of the processing blade lands 5, 6, 7, 8 are configured as rough machining blade faces 6, 8 with teeth 10, 11 forming peripheral side files, and the other two processing blades The lands are designed as finishing lands 5 , 7 with peripheral peripheral grooves which space the peripheral lands apart from each other, which each carry peripheral cutting edges 12 , 13 . Teeth 10, 11 and peripheral side cutting edges 12, 13 are here Image 6 and 7 are shown in and are respectively in the peripheral side working area enclosed by the imaginary cylindrical outer peripheral envelope.

[0038] The electrode graphite milling c...

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PUM

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Abstract

The invention relates to an electrode graphite end milling cutter, comprising a ball head (9), at least one coarse machining ridge (6, 8), and at least one fine machining ridge (5, 7). Each coarse machining ridge (6, 8) is designed as a peripheral file having a plurality of teeth (10, 11); each fine machining ridge (5, 7) has a plurality of casing grooves extending with twist around the tool axis,wherein the casing grooves space apart casing ridges each having a peripheral cutting edge (12, 13), wherein the working regions of a first group (5, 6, 8) of the machining ridges (5, 6, 7, 8) extendfurther up to the tool tip than the working regions of a second group (7) of the machining ridges (5, 6, 7, 8).

Description

technical field [0001] The invention relates to an electrode graphite milling cutter or milling cutter for machining electrode graphite according to the preamble of claim 1 and to a milling cutter for machining oxide ceramics according to the preamble of claim 15 end milling cutter. Background technique [0002] Electrode graphite is generally synthetically produced graphite which, besides known use in arc melting methods in steelworks, is also used for spark erosion (EDM) in fields such as tool and mold making. The trend here is more and more filamentary structures of the workpieces to be produced with graphite electrodes, whereby the demands placed on precision tools for machining graphite electrodes increase. [0003] Therefore, high demands are placed on the milling tools for machining graphite electrodes in terms of precision, but also in terms of durability. Since graphite is a highly abrasive material, it requires high cutting speeds during cutting operations and ca...

Claims

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Application Information

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IPC IPC(8): B23B51/08
CPCB23C2210/086B23C2210/326B23C2220/605B23C5/1009B23B51/08B23C5/06B23C5/10
Inventor R·胡夫施米德
Owner HUFSCHMIED ZERSPANUNGSSYST
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