Unimec XRA 86 Stainless Steel Bevel Gearbox

Código: XRA 86

Marca: Unimec

Materials

	Material	Normative	Specification	Indications
Carter	X5 CrNiMo 17-12-2 (AISI 316)	EN 10088-1:2014	Stainless steel	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.
Lubricant	Unimec Atir SH150		Synthetic oil	0,1 lt
Hollow shaft / Solid shaft	X5 CrNiMo 17-12-2 (AISI 316)	EN 10088-1:2014	Stainless steel
Hub shaft	X5 CrNiMo 17-12-2 (AISI 316)	EN 10088-1:2014	Stainless steel

General features

Gear backlash	15' - 20'
Forced lubrication speed	3000 rpm
Grease lubrication speed	100 rpm
Operating temperature [°C]	-10 °C / 80 °C
Hollow shaft maximum moment	90 Nm
Maximum input speed	4500 rpm
Main gearbox weight	6,5 kg

Specific features

	Nominal ratios
	1/1	1/1,5	1/2	1/3	1/4
Phase between keys	+/- 6,5°	+/- 6°	+/- 6°	+/- 6°	+/- 4,5°
Inertia moment	366 kg-mm²	136 kg-mm²	74 kg-mm²	37 kg-mm²	26 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


United States (English)	Unimec-EN_59050.pdf
Deutschland (Deutsch)	Unimec-DE_13807.pdf
Italy (Italiano)	Unimec-IT_75906.pdf
中国（简体	Unimec-CN_95426.pdf