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