Каталог Widia трохоидальное фрезерование - страница 8
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Differences between hm and hx
In conventional milling, it makes sense to calculate the load to the cutting edge through hm. With reducing the ae to very low values, you can calculate with the maximum chip thickness hx to make sure that the feed per tooth is set up correctly.
Conventional Smart Machining hm = 360º//∙qs∙ae/D∙fz∙sin x hx = 360º//∙qs∙2∙ae/D∙fz∙sin x
| hm [mm] | = | average chip thickness | hx [mm] | = | maximum chip thickness |
| fs [°] | = | engagement angle | fs [°] | = | engagement angle |
| ae [mm] | = | width of engagement | ae [mm] | = | width of engagement |
| D1 [mm] | = | outer diameter tool | D1 [mm] | = | outer diameter tool |
| fz [mm] | = | feed per tooth | fz [mm] | = | feed per tooth |
| r [°] | = | lead angle | r [°] | = | lead angle |
| h [°] | = | helix angle * | h [°] | = | helix angle * |
* Solid End Mills: r = 90°-h Trochoidal Milling can be performed with solid or indexable milling tools.