566 Каталог SUMITOMO 2015 Режущий инструмент и инструментальная оснастка Стр.562

Каталог SUMITOMO 2015 Инструмент и оснастка Стр. 562 0566 ENG Lab2u

Technical Information PCBN Recommendations for Hardened Steel PCBN Recommended Conditions for Hardened Steel RECOMMENDED RUNNING CONDITIONS (SFM) Material Application Hardness Grade Low Low Opt. High Opt. High BN1000 400 550 650 700 BNX10 400 500 650 700 BNC160 400 550 650 800 Continuous 45-65HrC BNX20 300 450 550 600 INDUCTION hardened steel BNC200 350 500 650 750 BNC100 400 600 700 1000 BN2000 300 400 550 600 BNX25 400 550 700 750 BN2000 300 400 550 600 Interrupted (DRY) 45-65 HrC BN350 300 400 550 600 BNC300 300 400 550 600 BNC200 350 400 500 600 Material Application Hardness Grade Low Low Opt. High Opt. High BNC160 350 450 550 600 BNX20 250 300 500 600 Continuous 45-65 HrC BNC200 300 350 550 650 carburized hardened steel bearing steel BNC100 350 425 550 675 BN2000 300 400 550 600 BNX25 400 550 700 750 BN300 300 400 550 600 Interrupted (DRY) 45-65 HrC BN350 300 400 550 600 BNC200 300 400 550 650 BNC300 300 400 550 600 Material Application Hardness Grade Low Low Opt. High Opt. High BN2000 150 250 450 550 BN1000 250 300 450 650 BNX10 250 300 400 500 Continuous 55-65 HrC BNC160 250 300 400 500 BNX20 150 200 300 450 DIE STEEL HIGH BNC200 200 250 350 450 speed steel BNC100 250 300 400 500 BN2000 150 200 250 300 BNX25 300 400 500 550 Interrupted (DRY) 55-65 HrC BN300 150 200 250 300 BN350 150 200 250 300 BNC300 200 250 300 350 FEED RATE DEPTH OF CUT FEED RATE (IPR) Finishing General Purpose Roughing 0.002 - 0.004 0.004 - 0.006 0.006 - 0.008 Note Use above speeds for threading and grooving applications. The recommended feed rate for grooving is 0.001 - 0.002 IPR, while your threading feed rate should be based upon the thread form, but not to exceed 0.006 IPR. Grade General Running Parameters (SFM) Low Low Opt. High Opt. High BNX10 400 450 650 700 BNC160 400 450 650 720 BNX20 250 400 600 650 BNC200 200 350 650 820 BN250 200 250 400 500 BNX25 450 500 650 700 BN300 200 300 500 550 BN350 200 300 500 550 BNC100 400 525 675 850 BNC300 200 250 400 500 Mini-Tip (NU, NS, NC) D.O.C. 0.015 Medium-Tip (MD) D.O.C. 0.020 Full-Tip D.O.C. 0.020 Note Depth of cut per pass The above are a general range of running parameters based on grade and material. Please contact your local Sumitomo Sales Representative or the Sumitomo Engineering Department to obtain more application specific running parameters. Note Running wiper inserts at the above feed rates will produce a higher quality surface finish when compared to a non-wiper insert. 562