Общий каталог ZCC-CT 2019 - страница 928

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TurningMillingDrillingTechnicalInformationIndex Technical information – milling Technical information Indexable milling A Difference between up-milling and down-milling n n Vf Vf Vw Vw B Vf Feed rate tool Vw Feed rate work piece n Rotation Up-milling Down-milling Up-milling: the feed direction of the work piece is opposite to that Down-milling: the feed direction of the work piece is the same as that of the of the milling rotation at the connecting position. milling rotation at the connecting position. C Advantages and disadvantages Direction Advantages Disadvantages Up-milling – Prevents hooking of tool–More smooth cut – Bigger stress on cutting edge–Shorter tool life Down-milling – Higher tool life–Less thermal stress – Hooking of tool possible D E B 465