KORLOY TECH-NEWS - English CVD insert series for Steel Turning New CVD coating increasing productivity and stable tool life

CVD insert series for Steel Turning In the recent days, grades ensuring high precision, high quality, high productivity and stable tool life are necessary for increasing cutting quality in automobile and parts industries. KORLOY launched CVD grade insert for Steel Turning providing stable cutting quality and high productivity with less wear, chipping and fracture in Steel Turning. NC3205 increased productivity due to New CVD coating technology for high speed Turning, saves changing tool time and minimizes tool life deviation. NC3235 realized high productivity and stable tool life from New CVD...

KORLOY TECH - NEWS Applied the New CVD coating increasing productivity and stable tool life Applied optimal substrate in cutting range (P05, P15, P25, P35) New CVD coating and substrate increasing stability CVD coating with increased wear resistance and chipping resistance - Ensured stable tool life due to increased wear resistance, chipping resistance and heat resistance High toughness and heat resistance substrate - Exclusive substrate per each grade increasing tool life Highly lubricative coating with fine surface finish application Increased BUE resistance and chipping resistance [ Existing...

Application range M Stainless steel Cutting speed, vc (m/min) Cutting speed, vc (m/min) Continuous cutting Light interrupted cutting Heavy interrupted cutting Continuous cutting Light interrupted cutting Recommended cutting conditions Workpiece ISO Workpiece material Specific cutting force (N/mm2) High carbon chrome steel (Bearing steel) Ferritic/ Martensitic series Austenite series Austenite-ferritic series (Duplex) Precipitation hardening series Carbon steel High alloy steel (Alloy tool steel) Heavy interrupted cutting Recommended cutting condition NC3205 NC3215

KORLOY TECH - NEWS Grade selection guide NC3205 Universal machinability High cutting performance in high speed and continuous cutting Good wear resistance NC3215 High cutting speed High productivity High cutting performance in medium to high speed and light interrupted cutting Good wear resistance and heat resistance High cutting performance in medium speed and medium interrupted cutting Interrupted cutting High cutting performance in medium to low speed and medium interrupted cutting Excellent chipping resistance High cutting performance in medium to low speed and heavy interrupted cutting Good...

Performance evaluation Wear resistance Workpiece Cutting condition Holder Total material amount (cm3) •Material removal rate Q (cm3/min) : 196.7 Chipping resistance Workpiece Chrome alloy steel (20Cr4H, HB260) Cutting condition •Material removal rate Q (cm3/min) : 209.1 Total material amount (cm3) Wear resistance Workpiece Cutting condition Holder Total material amount (cm3) •Material removal rate Q (cm3/min) : 178.8 Cutting time

KORLOY TECH - NEWS Performance evaluation Chipping resistance Workpiece Chrome alloy steel (20Cr4H, HB260) Cutting condition •Material removal rate Q (cm3/min) : 250.9 Total material amount (cm3) Wear resistance Workpiece Cutting condition Holder Total material amount (cm3) •Material removal rate Q (cm3/min) : 124.2 Chipping resistance Workpiece Chrome alloy steel (20Cr4H, HB260) Cutting condition •Material removal rate Q (cm3/min) : 167.3 Total material amount (cm3)

Application examples Alloy steel (42CrMo4) Workpiece use Heavy equipment parts Cutting condition Ensured good performance in high cutting speed with high heat due to excellent substrate with heat resistance and wear resistance 100% longer tool life with NC3205 than competitor’s P05 grade Carbon steel (C48) Workpiece use Ring gear Cutting condition High cutting performance in high hardness and high cutting speed by high oxidation resistance and wear resistance 40% longer tool life with NC3205 than competitor’s P05 grade Carbon steel (C45) Workpiece use Cutting condition Highly stable coating realizes...

KORLOY TECH - NEWS Application examples Carbon steel (C45) Workpiece use Cutting condition Increased wear resistance due to LP retaining cutting edge space with good chip evacuation Stable tool life in high cutting speed from applying NC3215 Carbon steel (C20) Workpiece use Cutting condition Stable chip evacuation and tool life in various cutting and cutting condition 20% longer tool life with NC3215 than competitor’s P15 grade Carbon steel (C500) Workpiece use Under disk Cutting condition Stable tool life in complex cutting with continuous and interrupted mixed conditions 20% longer tool life...

Application examples Alloy steel (SNCM439) Workpiece use Cylinder block part Cutting condition Stable tool life through good chip evacuation of MP in external cutting with high depth of cut (3.0mm) 33% longer tool life with the New CVD coating NC3225 application than competitor’s P25 grade Carbon steel (C40) Workpiece use Input shaft Cutting condition Cutting without plastic deformation and wear on the insert due to the exclusive coating for high depth of cut and high feed Steel cutting 20% longer tool life with NC3225 than competitor’s P25 grade Carbon steel (C45) Workpiece use Wheel bearing...

KORLOY TECH - NEWS Application examples Carbon steel (C45) Workpiece use Pinion flange Cutting condition Stable cutting without insert fracture due to applying high toughness substrate in even heavy interrupted machining Stable tool life in high cutting speed with the New CVD coating NC3235 Alloy steel (42CrMo4) Workpiece use Output shaft Cutting condition Cutting in high depth of cut and high feed cutting without insert’s plastic deformation and wear due to New CVD coating NC3235 Fine chip evacuation from applying increased lubrication coating Chrome alloy steel (20Cr4) Workpiece use Cutting...

Application examples Duplex stainless steel alloy (1.4501*) Workpiece use Cutting condition Increases fracture resistance and tool life in high feed and high depth of cut cutting with M series workpiece though NC3235 applied high toughness substrate Good cutting performance and stable tool life in various Hard-to-cut material cuttings Generator part Cutting condition Increased BUE resistance with less notch wear in low speed roughing with M series workpiece Applying the New CVD coating NC3235 with improved surface finish Duplex stainless steel alloy (1.4462*) Workpiece use Generator part Cutting...