Общий каталог Widia 2017 - страница 1811

Troubleshooting

Thread Mills

vibration marks major crest wear edge chipping cone-shaped thread entry marks

cutting speed check reduce — — —

feed per tooth check increase reduce — —

workpiece clamping improve improve improve — improve

machine tool stability improve improve improve — improve

cantilever arm shorten shorten — — shorten

helix angle increase reduce — — —

radial runout check check — — —

coating — improve improve — —

milling operation — climb mill climb mill climb mill —

line feed/entry ramp check check — — improve

check check

coolant pressure — — —

(>20 bar, 290 psi) (>20 bar, 290 psi)