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Idiomas disponibles
Idiomas disponibles
Directly attaching light (approx. 0.5 kg maximum)
centrifugal devices into the chuck is allowed, e.g.
flattening ring or flywheel regulator if these com-
ponents are not out-of-balance. Otherwise the
driving must be achieved using the belt pulley
provided. At any rate the corresponding operat-
ing instructions included must be complied with.
The motor can also be operated as a generator.
To do this, the device is mounted onto a bench
using a bench clamp, for example, and the crank
handle is inserted into the chuck. In this operat-
ing mode it is prohibited to have a power supply
connected to the terminal sockets (7). Instead,
an incandescent lamp or a measuring instrument
should be connected.
The mains power supply (or similar) used to
power the motor must be set up outside the dan-
ger zone (for example behind a protective wall).
The use of a variable power supply is recom-
mended so that the experiments can always be
started at a lower speed setting and then in-
creased. The maximum permissible voltage (re-
fer to rating plate) may not be exceeded.
In the case where the motor comes to an unex-
pected standstill (e.g. power cut), immediately
disconnect all supply lines from the mains power
supply unit (or the power source being used), in
order to avoid any unintended restart.
The motor is equipped with a torque limiting
mechanism (4). Experiments should always be
started at the lowest possible setting (setting "1"
on the scale, which is designated with an arrow
and the letter "M"). If the torque is not sufficient
the power supply must be switched off and the
next highest setting selected.
Before starting the experiment please check
once again for possible assembly or connection
errors (loose screws or chuck, etc.) or visibly de-
fective components.
During operation the experiment setup is to be
constantly observed and immediately switched
off should the slightest irregularity arise (change
in noise volume, increasing vibration).
2. Technical data
Nominal voltage U
No-load current:
Rotation direction:
No-load speed n
at U
0
Chuck:
Continuous noise level
at 1 m distance:
In DC motors there is practically a linear relationship
between the supply voltage and speed. For that rea-
son the speed for any given voltage can easily be
deduced from the data on the rating plate:
With the experiment motor you can perform experi-
ments on centrifugal force (additional equipment re-
quired) and power generation (generator mode).
Using the stand rod the motor can be secured in
place either in a bench clamp, a tripod or a cou-
pling sleeve. Alternatively, it is also possible to
mount the motor on plates using a drill hole (D =
8 mm) as, for example, with the mount
(1002655). Furthermore it can be secured on a
lab bench using a bench clamp. In this case the
upper side should rest on the table top.
To lock the shaft into the chuck the locking ring
(3) is held securely while the ring on the chuck
(2) is turned. It is particularly importantly espe-
cially with small diameters to make sure that the
shaft is seated firmly in all three jaws of the chuck
and is not bent or angled.
The torque setting is set with the ring (4), by turn-
ing from one setting to the next. Intermediate set-
tings are not allowed.
The motor is designed for operation in short ex-
periments and not for continuous operation. In
particular when operating at higher currents
starting around 2 A it is important to check the
housing temperature at intervals of every 5 - 10
min. If the temperature of the housing becomes
"uncomfortably" hot – i.e. higher than normal
body temperature, than a break should be taken.
2
:
1.5 - 18 V DC (see rating
0
plate)
approx. 1 - 2 A, maximum
permissible current: 5 A
(maximum 5 min.)
clockwise from the motor's
perspective when connec-
tion of "+" terminal is to red
and "–" is to the blue socket
: see rating plate
0
1 - 10 mm
70 dB(A).
n = n
U / U
.
0
0
3. Operation
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