TurnLine www.tungaloy.com Tungaloy Report No. 511-US Coated CBN grade with a whole new level of cutting performance for hardened steel
ACCELERATED MACHINING
TurnLine Remarkably long tool life in hardened steel turning with a new coating layer and CBN substrate
Incredible reliability in hardened steel turning - Suitable for operations at low to medium cutting speed - Covers a wide range of application areas from continuous to heavy interrupted cutting Multi-layered coating 2 times thicker than the conventional grade - Provides excellent wear resistance Coating layer Improved adhesion strength - Prevents peeling-off, providing excellent surface finish CBN substrate Newly developed CBN substrate - Optimum CBN content for high wear resistance and toughness APPLICATION AREA Vc (sfm) Cutting speed: 12 1 8 6 4 2 BXM1 BXM2 BXM1 Suitable for continuous to light interrupted cutting at high speed BXM2 Suitable for continuous to heavy cutting at medium and high speed Great performance for continuous to heavy cutting at low and medium speed Continuous Light interrupted Heavy interrupted 4
ACCELERATED MACHINING CUTTING PERFORMANCE Machining length; 23 ft Conventional grade Insert : 2QP-CNGA432 Workpiece material : Low carbon alloy (6HRC) Cutting speed : Vc = 33 sfm Feed : f =.4 ipr Depth of cut : ap =.8 inch Machining : Face turning (interrupted cutting) Without peeling-off, tool life is extended even in heavy interrupted machining. Machining length; 46 ft Conventional grade STANDARD CUTTING CONDITIONS ISO Workpiece condition Cutting speed Vc (sfm) Depth of cut ap (inch) Feed f (ipr) Continuous 43 (2-59).12 (.2 -.2).4 (.2 -.12) Interrupted 43 (2-59).8 (.2 -.12).4 (.2 -.8) GRADE Application Application code Microstructure Hardness (Hv) T.R.S (Gpa) H1-H2 35-37 1.35-1.5 5
INSERTS Feature Standard Shape Designation No. of corners Dimension (inch) Thickness dia. radius length Hole Corner CBN I. C. dia. ød s ød1 rε a 2QP-CNGA431 2.5.187.23.16.91 2QP-CNGA432 2.5.187.23.31.87 2QP-CNGA433 2.5.187.23.47.94 2QP-DNGA432 2.5.187.23.31.83 2QP-DNGA442 2.5.25.23.31.83 3QP-TNGA331 3.375.187.15.16.87 3QP-TNGA332 3.375.187.15.31.75 3QP-TNGA333 3.375.187.15.47.94 2QP-VNGA331 2.375.187.15.16.122 2QP-VNGA332 2.375.187.15.31.87 3QP-WNGA432 3.5.187.15.31.87 2QP-GNGA431 2 -.187.23.16.91 2QP-GNGA432 2 -.187.23.31.87 2QP-GNGA433 2 -.187.23.47.94 2QP-CNGA432-H 2.5.187.23.31.87 Heavy honing With chipbreaker With wiper 2QP-DNGA432-H 2.5.187.23.31.83 3QP-TNGA332-H 3.375.187.15.31.75 3QP-TNGA333-H 3.375.187.15.47.94 2QP-VNGA331-H 2.375.187.15.16.122 2QP-VNGA332-H 2.375.187.15.31.87 2QP-CNGM432-HM 2.5.187.23.31.87 2QP-CNGM433-HM 2.5.187.23.47.94 2QP-CNGA432WL 2.5.187.23.31.87 2QP-DNGA431WJ 2.5.187.23.16.83 2QP-DNGA432WJ 2.5.187.23.31.83 3QP-TNGA331WG 3.375.187.15.16.87 Standard Specification of standard honing Negative inserts S1325 Positive inserts S1325 6 2QP-CCGW624 2.25.94.11.16.91 2QP-CCGW9T34 2.375.156.173.16.91 2QP-CCGW9T38 2.375.156.173.31.87 2QP-DCGW722 2.25.94.11.8.16 2QP-DCGW724 2.25.94.11.16.98 2QP-DCGW11T38 2.375.156.173.31.83 3QP-TPGW1134 3.25.125.134.16.87 3QP-TPGW1138 3.25.125.134.31.79 2QP-VBGW1134 2.25.125.11.16.122 2QP-VBGW1138 2.25.125.11.31.87 2QP-VBGW1644 2.375.187.173.16.122 2QP-VBGW1648 2.375.187.173.31.87 : Line-up
ACCELERATED MACHINING PRACTICAL EXAMPLES Workpiece type Insert Automotive parts (CVT) Automotive parts (CVJ) 2QP-DNGA433 2QP-DNGA433 512 (59HRC) 512 (6HRC) Workpiece material Cutting conditions Cutting speed: Vc (sfm) Feed : f (ipr) Depth of cut : ap (inch) Coolant 56 49.12.1.4.8 Wet Wet Results Tool life (pcs / edge) 25 2 15 1 5 Competitor Tool life 2 times! Tool life (pcs / edge) 12 1 8 6 4 2 Competitor Tool life 1.4 times! Tool life is doubled due to higher wear resistance. The operation is stable with even in interrupted machining. Workpiece type Insert Automotive parts (Popette) 2QP-CCGW9T34 Alloy steel (58HRC) Machine part 2QP-DNGA431 432H (6HRC) Workpiece material Cutting conditions Cutting speed: Vc (sfm) Feed : f (ipr) Depth of cut : ap (inch) Coolant 43 49.16.3.8.6 Wet Wet Results Tool life (pcs / edge) 7 6 5 4 3 2 1 Competitor Tool life 1.7 times! Tool life (pcs / edge) 18 15 12 9 6 3 Competitor Tool life 1.5 times! provides stable tool life as only normal wear occurs without chipping. Surface roughness is minimized with. 7
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