Jul

Vitrified CBN Grinding Wheel for Journal (Diesel engine)

Vitrified CBN Grinding Wheel for Journal (Diesel engine)

Application parameters
Work piece	Truck crankshaft: End face ø90.4mm/Journal outer circle ø74mm
Material	42CrMoA, HRC 52-58
Machine	NAXOS UNION
Grinding parts	Journal end face, rounded corners and outer circles
Cooling fluid	Oil
Grinding way	Cut into the mill
Grinding wheel	1VG1L1 650- -39.6- -6- -3.5 NB151
Dressing wheel	CNC electroplating dresser roller SG 71P-150-1.2
Grinding parameters	Linear speed Vc=95m/s
	Grinding allowance: outer circle ae = ø1.2mm, end face ae = ø0.5mm
	Maximum feed speed Vfa = 20 mm/min
Dressing parameters	Linear speed VR=85m/s
	Dressing quantity aed=152+ 1 2 um
	Dressing speed ratio qd= + 0.89
Grinding performance	Maximum material removal rate Q'wmax = 94.7mm³/mms
	Grinding time TG = 10 min (40% efficiency improvement)
	Dressing frequency mT=210 journal/Dressing(50%life improvement)
	Roughness Rz<4.5um

https://www.morediamondwheel.com/products/showproduct.php?lang=en&id=7

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