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Application
areas |
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Brake motors, cranes, warehousing, wood working
machines, industrial trucks, stagemachinery,
vehicles for the disabled and escalators. |
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Compact and
easily installed- INTORQ BFK457 |
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In many
applications, all that is required
of the brake is that it fulfils its
basic function. For such situations
the BFK457 is just the job. The fact
that it can also be installed
quickly using the integral fixing
screws and fixed air gap makes this
spring-operated brake even more
attractive. |
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Æ
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Features |
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● Braking
torque: 0.12–125 Nm |
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● 9
sizes |
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● DC
voltages: 24, 205 V |
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● Thermal
class F (155 °C) |
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● Compact
construction with rotor and flange |
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● Integral
fixing screws for quick and easy installation |
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● Fixed
air gap |
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● Noise-reduced
double spring-operated brake <50 dB(A) |
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Æ |
Application
areas |
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Small motors, vehicles for the disabled, wood
working machines, automation systems and general
mechanical engineering |
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Multipole Spring
operated brakes- Intorq BFK468 |
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High-performance drives are
generating ever higher motor speeds and drive
torques. Although performance requirements are
increasing, less and less space is available for
the brake. The INTORQ spring operated brake for
high-performance applications is the BFK468. The
innovative multipole technology allows it to be
released through a large air gap, even when
forces are high. |
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Æ |
Features |
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● Spring-operated
brake with multipole system |
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● Up to twice
the braking torque compared to the BFK458 |
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● Fixed or
adjustable braking torque |
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● “Cold brake”
by holding current derating |
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● Short
operating times on AC side |
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● Large working
air gap means long maintenance intervals |
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Multi-pole
spring-operated brake, the solution for direct
drives in passenger lifts-BFK466 |
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Direct drives for modern hoists demand brakes
with high braking torques, short response times
and low-noise operation. The multipole BFK466
satisfies all these requirements and can also be
adapted to the contour of the motor. |
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Æ |
Features |
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● Spring-operated
brake in the form of a caliper |
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● For multiple
and redundant arrangements |
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● High braking
torque and large working air gap |
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● Release
without residual torque and quiet operation |
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● Optimal
contour adaptation to the design of the motor |
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● High magnetic
forces caused by overexcitation when releasing |
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● “Cold brake”
through holding current derating |
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● Air gap or
wear monitoring using micro switch |
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Brakes for
Safe raising and lowering of hoists- Intorq BFK454 |
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This
dual-circuit spring-operated brake
is specially designed for geared
motors in lift applications. It
ensures safe operation as a holding
brake and for emergency stop duties.
It is TÜV tested and satisfies the
TRA200 requirements for hoists. |
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● Braking
torque: 15–400 Nm |
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● 7 sizes |
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Small unit volumes with 80 % redundant braking
torque |
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● Low motor
moment of inertia |
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● Adjustable
braking torque |
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Simple maintenance and monitoring of
dual-circuit function |
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Æ |
Application
areas |
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Lifts, hoists |
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Spring
operated brakes for servo Motors: BFK418 |
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Servo drives require
holding brakes that have short operating times
and very little torsional backlash. The
temperature-resistant friction linings of the
brakes are also ideally suited to handle
emergency stops from high speeds. This makes the
low-cost BFK418 a viable alternative to
permanent magnet brakes, and not just froma
technical point of view. |
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Æ |
Features |
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● Braking
torque: 5–150 Nm |
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● Little
torsional backlash |
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● Temperature-resistant |
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● Low moment of
inertia compared to permanent magnet brakes |
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● Simple
installation thanks to threaded holes in stator |
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● Preset working
air gap |
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● Large shaft
diameters possible |
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Æ |
Application
areas |
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Servo motors |
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Electromagnetic
clutch and brake: INTORQ 14.105 and
14.115 |
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In machines that have a
centralised drive, electromagnetic clutches and
brakes control the speeds of lower-level drive
assemblies. INTORQ products are characterised by
short operating times, low motor moment of
inertia and torque transfer with no torsional
backlash. |
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Æ |
Features |
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●
Clutch and braking
torques from 7.5–480 Nm |
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● 7 sizes |
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DC voltage: 24 V |
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● Thermal class
B (130 °C) |
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● Torque
transfer with no torsional backlash |
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● Wide range of
applications thanks to the various types of
magnet and armature element |
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● Short
operating times and low motor moment of inertia
mean high switching frequencies |
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Æ |
Application
areas |
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Packaging machines,
mechanical and apparatus engineering, gates,
folding and printing machinery. |
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Clutch-brake
combinations |
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Clutch-brake
combinations are frequently used in
switched-mode systems with synchronous drive
speeds. They are very rugged and easy to
maintain. |
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Æ |
Features |
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●
Characteristic torques of 7.5–120 Nm |
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● Brake
and clutch mounted in a housing |
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● Rapid
acceleration and deceleration at constant motor
speed |
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Easy to maintain as result of patented wear
compensation system |
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● Available
with motor and gearbox from the Lenze programme |
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Æ |
Application
areas |
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Packaging and labelling machines, filling
plants, mechanical and apparatus engineering |
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Electronic
control for variable braking- Intorq control |
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Spring-operated brakes
basically work on the on/off principle. The
mechatronic INTORQ Control braking system
enables the braking
torque to be applied very precisely and adapted
to the dynamic response of the drive. The ideal
combination of mechanics and electronics. |
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Æ |
Features |
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● Variable
braking torque M = 20–100 % Mk |
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● DC voltages:
24 , 48 V and mains-operated |
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● CAN bus for
flexible networking |
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Æ |
Operating
modes |
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● Pedal-operated
brakes (manual input of braking torque) |
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●
Ramp-controlled
brakes (time-controlled input of braking torque) |
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● Sensor-controlled
brakes (load-dependent input of braking torque) |
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● Speed-controlled
brake (stopping time independent of load and
speed) |
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Æ |
Other
electrical accessories |
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● High-speed
switchgear |
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● Electronic
switchgear |
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● Half-wave and
bridge rectifiers |
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●
Spark suppressors |
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Æ |
Application
areas |
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● Industrial trucks,
escalators, cranes and automation technology |
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