Material to be processed Carbon steel/alloy steel/cast iron < 20-30HRC Pre-hardened steel/quenched and tempered steel < 35-48HRC Stainless steel/tool ​​steel < 25-35HRC diameter Rotating speed Feed rate Rotating speed Feed rate Rotating speed Feed rate 3 10600 565 8500 370 7430 325 4 8000 575 6500 380 5570 335 6 5300 620 4200 405 3710 […]

Tool wear/breakage patterns Phenomenon reason solution Flank wear The cutting resistance increases and groove wear gradually forms on the flank surface. Surface quality deteriorates or size exceeds tolerances The tool material is too soft. The cutting speed is too high. The clearance angle is too small. The feed amount is too small. Select tool materials […]

Question Solution Drill bit damage Front to surface wear 1. Used in high-speed areas 2. Increase feed 3. In the case of internal coolant drilling, reduce the amount of oil supply and discharge. 4. Choose high-lubricant cutting oil Chisel edge breakage 1. Increase the width of the chisel edge 2. Increase the amount of passivation […]

Question Solution Oversized threads Incorrect tap selected for application See application sheet Incorrect axial feed Make sure to control the feed rate. If possible, use a tool holder for simultaneous tapping Cutting speed error See recommended values Tolerance error Choose a tap with a lower tolerance Undersized thread Tap wear Smoother tap The bottom hole […]

Material to be processed Carbon steel/alloy steel/cast iron < 20-30HRC Pre-hardened steel/quenched and tempered steel < 35-48HRC Stainless steel/tool ​​steel < 25-35HRC diameter Rotating speed(rev/min) Feed rate(mm/min) Rotating speed(rev/min) Feed rate(mm/min) Rotating speed(rev/min) Feed rate(mm/min) Depth of cut Side milling ap<1.5D ae<0.1D Slot milling ap<0.3Dae<1.0D Side milling ap<1.5D ae<0.1D Slot milling ap<0.3Dae<1.0D Side milling ap<1.5D […]