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Modular
winch for efficient heavy load handling
New in
the product family of the Mannheim-based hoisting gear specialists SWF
Krantechnik is the CRABster winch, which can be used for loads up to 160
tons. CRABster is available as an individual winch or as a crane kit with
components for crane construction.
- Precise
and safe operation
Hoist
condition monitoring system NovaMaster as overload protection with strain gauge
load measuring, hoisting frequency inverter with closed loop, hoisting motor
with encoder, frequency inverter controlled travelling machineries
- Optimal
usage of space and equal wheel load distribution
Compact
design and optimal approach dimensions, no horizontal hook movement
- Various
designs
Well
thought-out construction based on standardized components, calculation support
via CraneMaster software
- Lower maintenance
costs and short downtimes
New
rope drive with tilted sheaves in the hook block for reduced rope wear, easy
accessible central lubrication, just one type of hoisting motor, gear and
frequency inverter per frame size
Advantage:
highest possible efficiency and optimal usage of space
Gentle inclination is standard
The standard rope drive of our CRABster
winch with elaborate rope angles and the tilted sheaves in the newly
constructed hook block ensures a considerably longer lifetime of the load rope
and the sheaves. In addition, the rope guides are made of cast iron, which also
has a positive effect on the useful life. Due to the use of two ropes, CRABster
lifts without horizontal hook movement. The low C-dimension is the result of
the optimised headroom of the winch and enables the user to efficiently use
space with respect to the lifting height.
Service-friendly
structure
The innovative design of the CRABster
makes access to the upper sheaves and the overload protection easier. The
standard central lubrication is easily accessible for service personnel and
only one type of hoisting motor, gearing and frequency inverter is used for
each of the two frame sizes (CT18 and CT19). Maintenance costs and downtimes
are noticeably reduced.
State-of-the-art
electrics
6 control panels are delivered together
with the CRABster as a unit, already with completely inserted threaded
connections and wired. Standardised modules are used depending upon the
performance features of the crane or of the individual winch. In the case of an
individual winch, a control cabinet remains free for the individual equipment.
The main components of the control cabinet are the frequency inverters for crane
and trolley drive, as well as lifting and lowering, the hoist condition
monitoring system NovaMaster, the main contactor and the control transformer. There
is also space for the optional radio remote control. Each control panel is
equipped with 15W interior lighting. A 230V socket can be found on the narrow
outer side of the standing unit. Standard PLIOTEX cable markings guarantee the
sustainable and quick overview of the wiring.
Extensive options
Stainless steel control panels, rain
protection covers, heaters and air conditioning systems for operation in
adverse conditions are available as optional extras. A service platform mounted
permanently on the CRABster winch is available, as is radio remote control or a
ramshorn hook.
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