WIDIA - závitování | KL-TECH s.r.o. | www.klte.cz Widia-závitování | Page 117
Technical Information
Troubleshooting
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
coolant pressure — check
(>20 bar, 290 psi) check
(>20 bar, 290 psi) — —
widia.com
Y107
Thread Mills