Clutch part - ALETATECH AUTO GROUP

CLUTCH DISC
& CLUTCH COVER

66Nibn spring from Japan, 3 grade shooking absorb design, Kevlar fiber clutch facing.

Part	compare	Material	Heat treatment	equipment	Mark
hub	ours	40Cr.	Quenching tempering	Forging and CNC.over 200.000RMB/lathe	high cost,Same as OEM process material and precision, HRC 28-32, some custom HRC 48-52
hub	others	45# steel cast iron( normally is scrap material melting process)	None, buy	Instrument or fluid drive lathe,about 5000RMB/lathe	Cheaper,HRC <20,cant afford heave duty, crack problem
Drive plate & absorb	ours	ST12/SPCC rolling steel	Carbonitrid	> 6 hours by ipsen GmbH Infiltrate >1.5million RMB	depth 0.2~0.4mm, HRV 650-700,Ensure the hardness from inside and outside, spring not pop out
Drive plate & absorb	others	leftover material or thickness not average and not reach standard	Soft nitric,	< 3 hours, for mass production,save cost	depth less 0.1mm, HRV <300 below 0.2mm,spring pop off often once hard condition.
Spring	ours	55CrSi,60Cr2Mn			6-10Mil endurance
Spring	others	65Mn			3Mil endurance
Clutch Facing	ours	Over 30000RMB/T, high-end to 160,OOORMB/T			80,000-200,000KM
Clutch Facing	others	Mostly is 20000-30000RMB/T			20,000KM-60,000KM
And more we are...		Such as 66Nibn spring from Japan, 3 grade shooking absorb design, Kevlar fiber clutch facing...