Beckhoff AL2000 Application Bedienungsanleitung PDF herunterladen (Seite 22)

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Used symbols

symbol unit description

t s time

time needed for acceleration, deceleration or both

time needed to cover a distance at constant speed

Dt small time difference

T total time

v m/s velocity

velocity after acceleration from stand still

max

maximum velocity

a m/s² acceleration

x m distance

, x

distance covered by acceleration, deceleration or constant speed

X total distance of a combined movement (t

+ t

)

F N force

, F

force needed for acceleration and/or deceleration

force applied by the load (like processing contact forces)

peak

motor´s peak force

cont

motor´s continuous force

friction force

rms

mean force over a longer period (root mean square)

M kg mass of the load

Q W dissipated power

N²/W motor constant (slope) at 25°C

motor constant at working temperature

K N/A motor force constant

rms

mean motor force constant (depending on the current)

I A current

peak

motor´s peak current

cont

motor´s continuous current

°C/W thermal resistance

°C working temperature

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 38 39

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