Основной каталог Winstar 2021 - страница 698

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Technical Data Troubleshooting in Milling Trouble Occurrences Countermeasures Too high feed Reduce feed Up milling Change down milling Sharp cutting edge Honing at the cutting edge-chamfering or roundingif needed Chipping Chattering Check spindle speed down Too much overhang Adjust to minimize overhang Unfixed chucking of Endmill Check the precision of chuck and collet High Cutting speed Decrease cutting speed Low feed Increase feed Wear Up milling Down milling High-hardened work piece Choosing special coating endmill Too much cutting amount Decrease cutting amount Tool Breakage High cutting force Feed down; spindle speed up Too much overhang Adjust to minimize overhang Chattering Change the cutting condition Generation of built-up edgeSurface Roughness Increasing cutting speed & Feed rate or downmilling high feed, low speed Reduce feed & Increase speed Incorrect Numbers of flute Replace more flutes Endmill Accuracy of finished work piece Deflection of Tool Using big diameter tool & Minimize the overhang E011