Page 577 - Dormer
P. 577
GENERAL HINTS
PROBLEM CAUSE REMEDY
Workpiece Tool deflection Choose a shorter tool and/or place shank further up holder
inaccuracy
Insufficient number of flutes Use a tool with more flutes
Loose/worn tool holder Repair or replace it
Poor tool holder rigidity Replace with shorter/more rigid tool holder
Poor spindle rigidity Use larger spindle
Chattering Feed and speed too high Correct feed and speed with the help of the Catalogue/
Selector
Flute or overall length too long Hold shank deeper and use shorter end mill
Cutting too deep Decrease depth of cut
Not enough rigidity (machine and Check the tool holder and change it if necessary
holder)
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