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Symbol Unit Description<br />
Fr 2 N Output shaft radial loads<br />
Fa 2 N Outpur shaft axial loads<br />
Fr 1 N Input shaft radial loads<br />
Fa 1 N Input shaft axial loads<br />
fs - Service factor<br />
ie - Effective reduction ratio<br />
kf - Output support life correction factor<br />
L min mm Torque arm length<br />
Mt max Nm Shrink disk torque<br />
n 1 rpm Input speed<br />
n 1 • h rpm h Input duration index<br />
n 2 max rpm Maximum output speed<br />
n 2 rpm Output speed<br />
n 2 • h rpm h Output duration inex<br />
h h Hours<br />
hi - Percentage of time<br />
p bar Pressure<br />
P 1 kW Input power<br />
P 2 kW Output power<br />
P d kW Dissipated power<br />
Pt kW Thermal power<br />
Q l/min Oil fl ow<br />
Tf Nm Static braking torque<br />
T1 Nm Input torque<br />
T2 Nm Output torque<br />
Teq Nm Equivalent torque<br />
TISO Nm ISO limit torque<br />
T cont Nm Continuous torque<br />
Tmax Nm Maximum torque<br />
Timp Nm Impulse torque<br />
TM Nm Maximum load torque<br />
V cm³ Displacement<br />
X mm reaction distance<br />
ηm - Mechanical effi ciency<br />
ηv - Volumetric effi ciency<br />
ηt - Total yield<br />
Tb Nm Static breaking torque<br />
pb bar Total release pressure<br />
p max bar Maximum pressure<br />
n1 max rpm Maximimum speed<br />
www.jahns-<strong>hydraulik</strong>.de<br />
Symbols and units of measurement<br />
Page B. 17<br />
Symbol Description<br />
Output support<br />
Input<br />
Input support<br />
Tightening torque<br />
Oil quantity<br />
Weight<br />
Oil fi lling<br />
Oil level<br />
Oil draining<br />
Hydraulic motors<br />
Electric motors<br />
Recommend srews<br />
H Y D R A U L I K