DR. BENDER PB WX2 Manual - Halaman 5

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2.0

General instructions

2.1

BELUGA, ORCA and SQUATINA represent a completely new generation of driving machines used for

stone processing. The highly extensive modular design principle provides the nowadays so important

flexibility in performing cutting operations in concrete and stone. In the process, quite newly developed high

frequency elements are employed in the motor. The frequency range is adjusted within 0 – 1000 Hz by

means of the frequency changer integrated in the Powerbox. At 1000 Hz, the rotor reaches a speed of

-1

30,000 min

. A main advantage results from a weight / performance ratio (motor output = 11 kW / weight =

21.5 kg -> 0.51), so far unequaled with the conventional technology, such as the BBM33extra type (motor

output = 2.4 kW / weight = 13.5 kg -> 0.17). This means that the weight of the machine could be reduced

three times by means of the high frequency technology. Further advantages result from the infinitely

variable speed regulation. Thus, each tool diameter may be assigned its optimum speed, in order to

achieve the best cutting speed possible at the tool. Furthermore, the speed may be continuously reduced in

the process when steel reinforcements appear, thus providing its optimum adaptation to the working

progress. In this case, it is possible to run at much higher cutting speeds (Caution! They depend on the

tool), achieving an up to 150% faster working progress. In the case of conventional machines, the torque

dramatically decreases at high speeds, rendering this advantage impossible.

2.2.

The driving machines and the appropriate Powerboxes can be used for the purposes outlined by the data

on the model plate. If you are using special machines, the details in the quotation and order confirmation

also apply.

The driving machines and the Powerboxes are supplied as standard in protection class I; only this can

guarantee the full high quality protection of the FI switch.

If you use suitable saw blades and core bits, you will be able to cut in the most diverse material types:

concrete (even if it contains thick reinforcement steel)

sandstone and limestone

all building materials for solid walls

asphalt carpets

The machine must be

PB WX2:

directly connected to 230 V mains using a personal safety switch (PRCD);

PB WX8/10 und PB WX8/10 VB:

connected to a duly grounded EEC socket (EEC 5 poles, 3P+PE 32A 6h – 400V). No zero

conductor is required;

operated with a pre-connected all-current failure FI protection or protection insulating transformer

in order to ensure the protection of the operator.