Общий каталог ZCC-CT 2019 - страница 928

Technical information – milling Technical information Indexable milling Difference between up-milling and down-milling A n n Turning Vf Vf Vw Vw B Vf Feed rate tool Vw Feed rate work piece n Rotation Milling 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. Advantages and disadvantages C Direction Advantages Disadvantages – Prevents hooking of tool – Bigger stress on cutting edge Up-milling – More smooth cut – Shorter tool life Drilling – Higher tool life Down-milling – Hooking of tool possible – Less thermal stress D Information Technical E Index B 465