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Are FOP really progressive depth raker generators?
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<blockquote data-quote="BobL" data-source="post: 1816882" data-attributes="member: 14206"><p>I can't really understand what you have said here.</p><p></p><p>If the reference line is the line between the top of two adjacent cutters then since as the cutters wear both cutters should go down in height at the same time so there is no rotation to that line.</p><p></p><p>However, the distance between a cutter edge and the back of the adjacent cutter does and this rotates the the cutting angle anti clockwise in my diagram - ie goes from black to blue. </p><p></p><p>While the cutter is relatively new the difference between the original cutting angle and the reduced angle made by the FOP is small <(1º) and translates to a raker height difference of less than 0.005" </p><p> </p><p>But when cutter is close to worn out the FOP generated raker heights will be around 0.015" too high</p></blockquote><p></p>
[QUOTE="BobL, post: 1816882, member: 14206"] I can't really understand what you have said here. If the reference line is the line between the top of two adjacent cutters then since as the cutters wear both cutters should go down in height at the same time so there is no rotation to that line. However, the distance between a cutter edge and the back of the adjacent cutter does and this rotates the the cutting angle anti clockwise in my diagram - ie goes from black to blue. While the cutter is relatively new the difference between the original cutting angle and the reduced angle made by the FOP is small <(1º) and translates to a raker height difference of less than 0.005" But when cutter is close to worn out the FOP generated raker heights will be around 0.015" too high [/QUOTE]
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