Unimec RA 250 - Ra 250 Bevel Gearbox

Unimec

Ürün Kodu: RA 250
Marka: Unimec

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Unimec RA 250 - Ra 250 Bevel Gearbox için Açıklama:

Materials

	Material	Normative	Specification	Indications
Hub shaft	C45	EN 10083-2:2006	Carbon steel
Carter	GJL 250	EN 1561:2011	Grey cast iron	Completely machined on 6 faces
Bevel gears	17NiCrMo 6-4	EN 10084:2008	Casehardening alloy steel	Ground bores and planes. Gleason gears run by pair.
Hollow shaft / Solid shaft	C45	EN 10083-2:2006	Carbon steel
Lubricant	Unimec Atir SH150		Synthetic oil	3,1 lt

General features

Gear backlash	15' - 20'
Forced lubrication speed	800 rpm
Grease lubrication speed	100 rpm
Operating temperature [°C]	-10 °C / 80 °C
Hollow shaft maximum moment	3900 Nm
Maximum input speed	1000 rpm
Main gearbox weight	105 kg

Specific features

	Nominal ratios
	1/1	1/1,5	1/2	1/3	1/4
Phase between keys	+/- 6°	+/- 5,5°	+/- 6°	+/- 5°	+/- 4,5°
Inertia moment	91500 kg-mm2	32800 kg-mm2	17700 kg-mm2	8670 kg-mm2	5830 kg-mm2

Power curves

The magenta zone indicates a potential heating risk. Working cycles must be carefully analized. S = Rotational speed of the fast/slow shaft [rpm] CL = Slow shaft torque [Nm] P = requested input power [kW]

Max admissible loads

Admissible loads S = Fast shaft rotational speed [rpm] RL = Admissible radial load [kN] AL = Admissible axial load [kN] HS = Hub shaft RHS = reinforced hub shaft PS = Solid protruding shaft