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 […]