Unimec RY 166 Bevel Gearbox

Code: RY 166

Brand: Unimec

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 broached shaft	C45	EN 10083-2:2006	Carbon steel
Lubricant	Unimec Atir SH150		Synthetic oil	0,9 lt

General features

Gear backlash	15' - 20'
Forced lubrication speed	1500 rpm
Grease lubrication speed	100 rpm
Operating temperature [°C]	-10 °C / 80 °C
Hollow shaft maximum moment	770 Nm
Maximum input speed	1800 rpm
Main gearbox weight	32 kg

Specific features

	Nominal ratios
	1/1	1/1,5	1/2	1/3	1/4
Phase between keys	+/- 6,5°	+/- 6°	+/- 6,5°	+/- 5°	+/- 4°
Inertia moment	11170 kg-mm²	3970 kg-mm²	2130 kg-mm²	1013 kg-mm²	670 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

Unimec Datasheets

Country & Language	File Name	Download Link
United States (English)	Unimec-EN_59050.pdf	Download
Deutschland (Deutsch)	Unimec-DE_13807.pdf	Download
Italy (Italiano)	Unimec-IT_75906.pdf	Download
中国（简体	Unimec-CN_95426.pdf	Download