Bonfiglioli 300 NEMA - DS TECH

(450) 655-7447
info@pt-dstech.com
www.dstech.ca
1275 Newton, local 15
Boucherville, Qc,
Canada, J4B 5H2
3.0 - SYMBOLS AND UNITS OF MEASUREMENT
Symb.
Description
A c [lbs] Calculated thrust load
A n [lbs] Rated axial thrust
A r [lbs] Thrust load at output shaft
f a — Axial thrust factor
f L — Lifetime factor
f n — Speed factor
f t — Thermal factor
f v — Speed factor for thermal capacity calculation
f x — Load location factor for radial loading
i — Gear ratio
I — Intermittence factor
n [rpm] Speed
K a — Axial load duty factor
K r — Transmission factor
T [in·lbs] Torque
t a [°C/°F] Ambient temperature
T c [in·lbs] Calculated output torque
T max [in·lbs] Maximum transmissible torque
T n [in·lbs] Rated torque
T r [in·lbs] Required torque
P [HP] Horsepower
P n [HP] Rated horsepower
P r [HP] Required power
P s [HP] Power to be dissipated
P t [HP] Thermal capacity
R c [lbs] Calculated radial load
R n [lbs] Rated overhung load (OHL)
R x [lbs] Radial OHL for force applying off the shaft midpoint
S — Safety factor
S.F. — Service factor
Z [1/h] Starts per hour
Efficiency
Footnotes:
1 Applies to input shaft
2 Applies to output shaft
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