Bonfiglioli 300 NEMA - DS TECH

(450) 655-7447
info@pt-dstech.com
www.dstech.ca
1275 Newton, local 15
Boucherville, Qc,
Canada, J4B 5H2
9.0 - SERVICE FACTOR S.F.
A parameter representing the severity of the application. This factor takes into account, although
approximately, the type of load the gearbox operates with, the specific duty as well as the operating
daily hours.
(A4)
Service factor S.F.
Type of load
Uniform load
Moderate shock load
Heavy shock load
Number of
starts/hour
Accumulated operating hours [h]
5000 10000 15000 25000 50000
daily operating hours [h]
Z h 4 4 h 8 8 h 12 12 h 16 16 h 24
Z 10 0.90 1.00 1.15 1.30 1.60
10 Z 30 0.95 1.15 1.30 1.50 1.80
30 Z 100 1.00 1.25 1.45 1.60 2.00
Z 10 1.00 1.25 1.45 1.60 2.00
10 Z 30 1.10 1.40 1.60 1.80 2.20
30 Z 100 1.20 1.50 1.70 2.00 2.40
Z 10 1.20 1.50 1.70 2.00 2.40
10 Z 30 1.30 1.60 1.80 2.10 2.60
30 Z 100 1.40 1.75 2.00 2.30 2.80
10.0 - SAFETY FACTOR
S
This is the relationship of the gear unit rated horsepower to the horsepower of the electric motor
actually driving the unit.
S
P n1
(6)
P
1
12