File:Temperaturverteilung hartmetalldrehmeissel.svg
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Summary
| Description |
Deutsch: Temperaturverteilung an einer Hartmetalldrehmeißelschneide P20 mit einer Schnittgeschwindigkeit von 60 m/min, einer Spandicke h von 0,32 mm und einem Spanwinkel von 10 ° bei der Bearbeitung von Stahl. Die in den Spanprozess eingebrachte Energie wird zu einem geringen Teil in die Verfestigung der Werkstückrandzone umgesetzt. Auch der Herstellungsprozess des Rohteils (Walzen, Härten) führt zu einer kaltverfestigten oder gehärteten Randzone. Das Abtrennen dieser je nach Dicke und Beschaffenheit unterschiedlich festen Randzone steigert zusätzlich die Schnittkraft.
Die Temperaturen leiten sich wie folgt ab: 75 % in den Span, 18 % in das Werkzeug und 7 % in das Werkstück. (Nach Vieregge, G: Zerspanung der Eisenwerkstoffe, Stahleisen-Bücher, Band 16, 2. Auflage Düsseldorf, Verlag Stahleisen m.b.H. 1970)
English: Temperature distribution seen on a tungsten carbide turning tool (grade P20) operating at a cutting speed of 60m/min, chip thickness of 0,32mm, and effective rake angle of 10°.
The forces created by the shearing process, when a cutting tool (drehmeißelschneide) is guided through a workpiece (werkstück) which creates a chip (span), are taken by the tool and the toolholder on one side, and on the other side by the workpiece itself. This action creates a compressed surface at the blank after machining. The compressed machined surface adds up to the larger cutting forces and is to be taken into account if the workpiece is to be machined a second time (finishing). The Temperature (wärmefluss) arising as a result of the chipping process (from friction and mechanical deformation) is dissipated as show: 75% contained in the chip, 18% tool, 7% into the workpiece (from Vieregge, G: Zerspanung der Eisenwerkstoffe, Stahleisen-Bücher, Band 16, 2. Auflage Düsseldorf, Verlag Stahleisen m.b.H. 1970) |
| Date | |
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selfmade  This W3C-unspecified vector image was created with Inkscape . |
| Author | David W. |
| Permission (Reusing this file) |
PD |
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:09, 28 September 2006 | | 900 × 650 (41 KB) | David W. | {{Information |Description=Hartmetalldrehmeißelschneide P20, Werkstoff Stahl, Spanbreite h = 0,32 mm, Schnittgeschwindigkeit 60 m/min, Spanwinkel 10°, (nach Vieregge, G: ''Zerspanung der Eisenwerkstoffe'', Stahleisen-Bücher, Band 16, 2. Auflage Düssel |
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