Finishing Hardened Steel Inserts

Full Name: Finish Turning High Hardness Steel

Machining Materials: Hardened Steel, High Hardness Steel, Bearing steel, Die steel

Workpiece: Gear, Bearing

Using Inserts type: CNGA, DNGA, CCGW, TNGA

Processing Way: Finish Turning

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Hardened Steel PCBN inserts, Continuous Turning hardened steel Recommend PCBN Cutting inserts tools

Grade	Process Material	Condition	Process Material	Workpiece
BN-H11	Continuous	Semi-Finishing Finishing	Hardened Steel	Bearings, Gears, Gear Shaft, Hardened Mold
BN-H20	Semi-Interrupt	Semi-Finishing Finishing	Hardened steel	Hardened Steel Gears, Mold,ect
BN-H05	Continuous	Finishing	Hardened Steel	Gears, Gear Shaft, Bearings
BN-H10	Continuous Semi- Interrupt	Finishing	Hardened Steel High strength cast iron	Bearings, Gears, Gear Shaft, High hardness component
BN-H21	Semi-Interrupt Heavy Interrupt	Finishing	Hardened Steel	Bearings, Gears, Gear Shaft, Mold,ect.
BN-H05 C25	Continuous	Finishing	Hardened Steel	Bearings, Gears, Gear Shaft, Mold, ect
BN-H10 C25	Continuous Semi- Interrupt	Finishing	Hardened Steel	Bearings, Gears, Gear Shaft, High hardness components
BN-H21 C25	Semi-Interrupt Heavy Interrupt	Finishing	Hardened Steel	Bearings, Gears, Gear Shaft, Mold, ect

Application Cases

Machining Condition: Continuous Turning
Materials and Hardness：20CrMnTi，HRC58~62
Insert Model：BN-H05 CNGA120408
Cutting Condition：Ap=0.1mm, Fr=0.1mm/r, Vc=180m/min
Dry cutting
Insert Materials	Roughness	Tool Life
Other PCBN	Ra1.0	550 (per/tip）
Halnn BN-H05	Ra≤0.8	800 (per/tip）
Halnn BN-H05 C25(Coating PCBN)	Ra≤0.8	1200 (per/tip）

Machining Condition: Continuous Turning
Materials and Hardness： 20CrMnTi Gears Inner hole, HRC58-62
Selected Insert: BN-H05 CNGA120408
Cutting Condition:ap=0.1mm,Fr=0.1mm/r,Vc=180m/min,
Dry Cutting
Insert Materials	Roughness	Tool Life
Halnn BN-H05	≤Ra0.8	800 pieces
Other Brand PCBN	Ra1.0	550 pieces

Machining Condition：Semi-Interrupt turning inner bore
Materials and Hardness：20CrMnTi Gears, HRC58~62
Selected Insert：BN-H10 CCGW09T304
Cutting Condition：ap=0.25mm,Fr=0.08mm/r,Vc=135m/min,dry cutting
Cutting Materials	VC	Tool Life	Efficiency
Halnn BN-H10	135m/min	1000 pieces	Improved 22%
Other PCBN	110m/min	600 pieces	----

Machining Condition: Heavy Interrupt turning condition
Materials and Hardness: 20CrMnTi Gear, HRC58-62
Selected Insert:BN-H21 WNGA080404
Cutting Condition: Ap= 0.15mm, Fr= 0.1mm/r, Vc= 117m/min
Dry Cutting
Selected Insert	Tool Life	Failure Mode
Halnn BN-H21	600 pieces	Normal Wear
Other PCBN	100 pieces	Damage Broken