101 Technical Information MACHINING OPTIMIZATION Description The workpiece material is welded to the cutting edge. Normally caused by low temperatures. Slutions Increase cutting speed/ Increase feed / Use more positive geometry BUILT-UP EDGE (Adhesive Wear) NOTCH WEAR (Adhesive/Mechanic wear) CHATER (Chemical wear) FLANK WEAR (Abrasive Wear) PLASTIC DEFORMATION (Thermal Wear) THERMAL CRACKS (Thermal Wear) BREAKAGE (Mechanic Wear) Description Result of adhesive or mechanical action. Chipping or localized wear at the depth of cut line. Slutions Use more positvie geometry / Reduce feed / depth of cut Description Happens on the rake surface. Normally the result of acombination of a diffusion and abrasion wear mechanism. Slutions Decrease cutting speed / Check coolant direction / Use more positive geometry Description Abrasive wear mechanism that happens on the cutting edge’s flank. Not common in Wurnher inserts. Slutions Decrease cutting speed / Check coolant direction. Description Caused by cutting forces and too high temperature. Not common in Wurnher inserts. Slutions Decrease cutting speed / Decrease feed rate Description Small crack normally at 90 ̊ to the cutting edge caused by temperature variation. Slutions Stabilize the temperature / Shut off the coolant Description Most breakages happen because the wear development is not seen in time. Slutions Check the tool holder / Check the tool overhang / check the Amax / Decrease feed and Vc / Apply more robust insert / Check the run-out
Nosab 117 SK. NO:9 Nilufer, Bursa, Turkey Telephone: +90 224 41 11 557 w w w.w u r n h e r.c o m [email protected] Insert_dlrid_224_44_0218_GHTR Copyright © WÜRNHER CO., LTD. All Rights Reserved the registered trademark of WÜRNHER CO.,LTD German Technology I Made in Turkey