Highlights

Following market demand for hard part turning and the successful performance results of the currently available CBN inserts, ISCAR is expanding the range of geometries, edge preparations and CBN grade options.






Recommended cutting conditions for uncoated CBN Grades

Workpiece material	Grade	Description	Cutting mode			Feed mm/rev	Depth of cut mm
			Continuous cut	Light interrupted	Heavy interrupted
			Cutting speed M/Min
H Hardness steel 50-65 HRC	IB05H	High speed continuous hard turning	100-300	-	-	0.03-0.18	0.05-0.30
	IB10H	Continuous to light interrupted grade for superior surface finish	30-200	30-150	-	0.03-0.18	0.05-0.30
	IB20H	Continuous to ordinarily interrupted turning	30-200	30-200	-	0.03-0.25	0.05-0.50
	IB25H	Tough grade for heavily interrupted turning	-	-	30-200	0.03-0.25	0.05-0.50
	IB90	Toughest grade for heavily interrupted turning	-	-	30-120	0.03-0.30	0.05-0.50

Recommended cutting conditions for hardened steel with coated CBN Grades 50-65HRC

Workpiece material	Grade	Description	Cutting mode			Feed mm/rev	Depth of cut mm
			Continuous cut	Light interrupted	Heavy interrupted
			Cutting speed M/Min
H Hardness steel 50-65 HRC	IB25HC	Coated grade for interrupted turning	-	-	100-220	0.05-0.25	0.10-0.50
	IB25HA	Coated grade for light interrupted turning	-	100-220	-	0.05-0.25	0.05-0.50
	IB20HC	Coated grade for high speed interrupted turning	-	150-250	150-200	0.05-0.25	0.05-0.50
	IB10HC	Coated grade for high speed continuous turning	150-300	100-300	-	0.05-0.20	0.05-0.30

Insert Designation Code Key




Recommended CBN Edge Preparation For Typical Applications

	Honed 0.03-0.04 (mm) for superior surface/continuous
	Finishing / continuous: 0.13mmX15°+honing
	Medium / light interrupted: 0.13mmX25°+honing
	Medium / light interrupted: 0.14mmX20°+honing
	Roughing/ interrupted: 0.13mmX35°+honing