Electrode graphite milling cutters and end mills for machining oxide ceramics

A technology of graphite and electrodes, which is applied in the direction of milling cutters, metal processing equipment, manufacturing tools, etc., and can solve the problems of fast wear and tear of milling tools and rapid wear and tear

Active Publication Date: 2020-01-21
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 cutters and end mills for machining oxide ceramics
  • Electrode graphite milling cutters and end mills for machining oxide ceramics
  • Electrode graphite milling cutters and end mills for machining oxide ceramics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0036] 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.

[0037] The electrode graphite milling c...

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PUM

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Abstract

The invention relates to an electrode graphite end mill comprising a ball head (9), at least one roughing land (6, 8) and at least one finishing land (5, 7). Each roughing land (6, 8) is formed as a peripheral side file comprising a plurality of teeth (10, 11); each finishing land (5, 7) has a plurality of teeth extending helically around the tool axis Peripheral grooves, wherein the peripheral grooves space apart peripheral lands respectively having peripheral cutting edges (12, 13), machining the first set (5, 6) of the lands (5, 6, 7, 8) , 8) than the working area of ​​the second group (7) of the machining lands (5, 6, 7, 8) extends farther towards the tool head.

Description

technical field [0001] The invention relates to an electrode graphite milling cutter or milling cutter for machining electrode graphite and an end mill for machining oxide ceramics. 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 causes rapid wear and thus rapid wear of the milling tool due to the wear particles generated there. [...

Claims

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Application Information

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