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Parameter
AWG
Back EMF Phase-Phase_peak
Bending radius Static
Bending radius Dynamic
Cable Life (Power FLEX)
Cable mass
Coil unit length
Coil unit weight
coils @ 100°C
Continuous current air cooled
Continuous current water cooled
Continuous force
Continuous force air cooled
Continuous force water cooled
Electrical time constant
Induction per phase
KTY temperature sensor
Magnetic pitch NN
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Glossar
Bemerkung
Sym
Einheit
Definition
American Wire Gauge is a standard for wire thickness specification. The diameter "d" can be calculated with the AWG value "n".
d[mm]= 0.127[mm] x 92 ^((36-n)/39).
B
V/m/s
Back electromotive force. A linear motor, when operated, also acts as a generator. The Back EMF describes the coefficient between the
emf
generated voltage and the speed of the motor [V/m/s]. When the generated Voltage is nearly equal to the bus voltage of the system
the motor can not run any faster.
minimum
Minimum bending radius for the cable when used in static configuration.
minimum
Minimum bending radius for the cable when used in dynamic configuration.
Number of operating cycles for use in powerchains. Only applicable for coils with a FLEX cable. The specified value is for a
temperature range of -5 to 90°C and with the cable configured with the minimum bending radius for flexible applications.
length 1m
m
kg/m
Mass of both cables.
excluding
L
mm
Length of the coil unit.
cables
excluding
W
Kg
Weight of the coil unit without the cable.
cables
The coil temperature where the specifications are rated at.
coils @ 100°C
I
A
The continuous current [A] the motor can be run at to achieve the continous force when cooled by means of radiation, convection and
c
rms
conduction through a 20°C aluminium reference surface and a thermal resistance of 0.05[K/W] .
coils @ 100°C
I
A
The continuous current [A] the motor can be run at to achieve the continous force when water cooled.
cw
rms
coils @ 100°C
Fc
N
see Continuous force air cooled.
coils @ 100°C
Fc
N
The continuous force for a non water cooled coil. At continuous force the heat gain and dissipation in the coil are equal. Dissipation
occurs purely via conduction, convection and radiation. Tecnotion' linear motors continous force is specified for a mounting surface at
20°C. The thermal resistance is 0.05K/W when mounted to a aluminium heatsink.
coils @ 100°C
F
N
At continuous force the heat gain and dissipation in the coil is equal. For Tecnotion linear motors the mounting surface needs to be at
cw
20°C. The thermal resistance for watercooling is 0.02K/W when combined with an aluminium heatsink.
coils @ 25°C
τ
ms
The time after which the current reaches 63%(1-(1/e)) of the desired magnitude. This metric gives an indication of the reaction time of
e
the motor.
I<0.6 Ip
L
mH
The Induction value in [milli Henry] of one phase or winding of the coil. This value can be verified via the motor cables. The double
ph
value will be measured because of the star point configuration of the phases / windings.
Ohm/C
The temperature sensors for the Iron core series. Has a positive coefficient between temperature and resistance.
τ
mm
The distance between two consecutive poles of the same polarity.
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GLOSSAR
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