Demag Gear Drives
Demag Gear Drives
Drives engineering has always been an integral part of Crane installations, for example, only become efficient
Demag Cranes & Components product philosophy. systems as a result of the components that are integrated
True to its “From components to systems” approach, with sophisticated controls, as well as system and wide-
Demag Cranes & Components supplies drive components ranging application expertise.
as single units and as sub-assemblies, and also integrates
them into virtually all of its core products.
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In addition to individual gearboxes, motors and frequen- Demag drives are suitable for all applications in which
cy inverters, Demag is the only supplier of drive products loads have to be supported, driven, guided and moved.
also to offer wheel block systems and complete drive Besides cranes and handling systems, applications also
units consisting of precisely matching parts, ranging from include moving architectural elements as well as many
the travel wheel, housing and connecting arrangement transport logistics solutions in a wide variety of indus-
to the gearbox and motor. In this way, fast and cost- tries, for example.
effective standardized and tailored modular solutions can
be implemented to meet individual requirements.
Contents Page
The modular system 4–5
Offset gear motors 6
Right angle gear motors 7
Helical gear motors 8
Gearbox options 9
Cylindrical-rotor motors and options 10–13
Conical-rotor brake motors 14–17
Microspeed drives 18–19
■ e-Tools
38333-3
3
Modular gear motor system
We offer a choice of
■ Basic cylindrical-rotor motors
37179-16
Offset gearbox
4
The standard designs already offer you an exceptional Our cylindrical-rotor brake motors not only feature differ-
range of possibilities. In addition, there are many optional ent brake spring strengths, but also two different brake
features which can be used to extend them to meet your sizes for each motor frame size, enabling you to specify
specific needs. your drives with finely graded brake torques. KB sliding-
rotor brake motors are also available.
From basic motors to maximum brake torques
Almost any useful brake torque can be achieved – with Microspeed drives are designed for special requirements.
solutions ranging from basic motors to the almost legen- They make it possible to achieve large mechanical speed
dary braking capabilities of our sliding-rotor brake ratios of up to 1:500 between the main and the position-
motors. ing speed.
Coupling connection
Cylindrical-rotor motor
Since there is no oil present in the Right angle gearbox with coupling shaft end
Coupling
coupling housing, gearboxes can be
fitted independently of the motor and
motors can be easily disassembled,
e.g. to transport the installation.
Brake
Offset gearbox
5
Offset gear motors –
torques from 95 to 8480 lb-ft
Demag offset gear motors feature Demag offset gear motors can
parallel-shaft gearboxes with a large be supplied with various housing
shaft center distance. With a shaft designs, for example with a cover
end on both sides, they are ideally featuring an integrated torque ring,
suited for travel applications with which transfers the drive force to a
39392 central drive arrangements. For their wheel block via a torque bracket
large shaft center distance and high without any radial forces. The output
gear ratio, offset gearboxes offer shafts are available as solid or
large ground clearance. The use of hollow shafts of various designs and
helical gear wheels makes them a diameters. Involute splined shafts are
particularly efficient solution. ideal for travel drives used in revers-
ing operation in connection with a
Demag wheel block, for example.
38224
6
Right angle gear motors –
torques from 85 to 8850 lb-ft
Thanks to their design with a shaft Right angle gearbox sizes W10 to
end on one or both sides, Demag W50 feature a hypoid wheel pair,
right angle gear motors are suitable offering good efficiency in the lower
for travel applications with a single power range for quiet running char-
drive unit as well as with central acteristics and a large gear ratio
drive arrangements. They can be range. Right angle gearbox sizes 39388
7
Helical gear motors –
torques from 65 to 4280 lb-ft
Demag helical gearboxes are the Demag type D helical gear motors
most cost-effective alternative to are available as foot and flange-
match speed and torque to application mounted units. Flanges of various
requirements. They allow for high diameters can be connected to sizes
radial forces on the output shaft and D 11 to D 41. Combined foot/flange-
39381 offer high efficiency thanks to the mounted designs are also possible.
use of helical gear wheels. Due to Due to the coaxial design, helical
the coaxial design, however, they do gearboxes are only available with
not offer the same number of output solid shafts.
shaft variants as offset or right angle
gearboxes.
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Optional features
■ Foot plates
Standard Demag gear motors already offer you an ■ Mounting flange
extremely wide variety of possibilities with functions ■ Torque brackets
tailored to meet a large range of requirements. ■ Special lubricants
■ Oil level gauge
Numerous options enable you to adapt them even further ■ Extended temperature range
to specific application features and your individual oper- ■ Special paint finish
ating conditions. ■ Various output shaft designs
■ Gearboxes with particularly low output speeds as
double gearboxes
39484-10
9
Cylindrical-rotor motors –
outputs up to 70 HP
39385 Two variants are available in the form Two speed standard and travel
of brake motors (ZBA) and basic motors are also available.
motors (ZNA) for standard solutions.
The output ratings of the 2, 4, 6 and
8-pole motors are graded according
to the IEC classification. The 4-pole
standard motors are graded according
to efficiency classes.
24 ZBA/ZNA 160 B4
30 ZBA/ZNA 180 A4
35 ZBA/ZNA 180 B4
48 ZBA/ZNA 200 A4
60 ZBA/ZNA225 AL4
70 ZBA/ZNA 225 B4
10
Brakes A specific brake is assigned to each
Demag ZB cylindrical-rotor brake ZB cylindrical-rotor brake motor as
motors are fitted with double-surface standard. A larger or smaller brake
disk brakes, which are spring-acti- can be fitted for each motor frame
vated when no voltage is applied. size if a different brake torque is
Various control modules are available required for the application. In addi- 39380
for electrical brake release to provide tion, the torque range of each brake
operating times in line with application size can be further adjusted using
requirements. various brake spring combinations.
Designation Size Brake torques Size Brake torques Designation Size Brake torques Size Brake torques
ZBA 100 B
ZBA 112 A
ZBA 132 C
ZBA 180 A
38105-2
ZBA 180 B
B280 34 – 205 B680 83 – 500
ZBA 200 A
A cylindrical-rotor brake motor
ZBA 225 A(L)
moves a tool-changing carriage into – – B680 83 – 500
ZBA 225 B
the exactly specified positions
11
Optional features
■ Canopy
■ Plug connector
■ PTC thermistor
■ Temperature detectors
■ Increased enclosure
■ Anti-condensation heater
38350-6
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Demag frequency inverters –
for motor outputs from 1.0 to 750 HP
39584 39297
With Demag frequency inverters, for example
■ processes can be precisely adapted
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Conical-rotor brake motors –
outputs up to 67 HP
Decisive advantages
Demag KB conical-rotor brake motors feature a remark-
ably simple, robust and reliable brake system.
It is the ideal solution wherever demanding requirements
have to be met by the brake, and provides for
■ extremely high cycling frequency
Further benefits:
■ No separate control or additional switching elements 39446
is not necessary
■ Long brake lining service life, since the heat generated A variety of options is also available for KB motors.
by the brake is dissipated quickly and effectively via the
large surface area of the brake cover
■ Short overall length, since the brake disk simultaneously
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Drives for starting and stopping with short cycle times: KBA
KBA motors can be supplied with 2, 4, 6 and 8-poles Torque-speed characteristic of KBA motors for standard
as single-speed units or also as two speed motors. applications
Their braking characteristics can be adapted to specific
requirements by fitting brake springs of different
strengths and due to the possibility of specifically influenc-
ing the moment of inertia.
15
Drives for line-fed travel motions: KBF
Torque-speed characteristic of KBF travel motors The torque characteristics of KBF motors provide for
largely constant run-up torque without any extreme
starting and tilting moments.
37401-7
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KBS torque motors
Torque Designation
(lb-ft)
100 % CDF
25631
17
Microspeed drives –
speed ratios up to 500:1
Demag FG microspeed drives are the main and the positioning speeds.
ideally suited for applications with In many applications, they are also
high cycling frequencies in which the simple, robust and economic
demanding repeat positioning accu- alternative to inverter-fed AC motors.
racy requirements have to be met In addition, they are much less sus-
and large masses have to be moved ceptible to vibrations, higher ambient
in short cycles. temperatures and other influences
than drives featuring electronic
39389 Compared to two speed motors, equipment. Microspeed drives are
Demag FG microspeed drives make also ideally suited for emergency
it possible to achieve a significantly operation.
larger mechanical difference between
63 80 90 B 112
Z – – –
71 90 A 100 132
KB 71 ■
KB 80 ■ ■
FG 06 KB 90 ■ ■
KB 100 ■ O
KB 112 ■ O
KB 112 ■ ■ ■ ■
KB 125 ■ ■ ■ ■
FG 08
KB 140 ■ ■ ■ O
KB 160 ■ O O O
KB 160 ■ ■ ■ ■ ■ ■ ■
KB 180 ■ ■ ■ ■ ■ ■ ■
38345-5
FG 10
KB 200 ■ ■ ■ ■ ■ ■ ■
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Microspeed drives consist of main A conical-rotor motor is used as the
and microspeed motors that are main motor due to the axial move-
connected by means of microspeed ment of rotor. The microspeed motor
gearboxes. Both U and Z type mod- can be a KB or a Z motor – also for
els are possible. The output shaft inverter operation. The gear ratios of
runs either at the speed of the main our microspeed gearboxes are avail-
motor or at the speed of the micro- able at fine increments from 4 to 125.
speed motor reduced by the gear 19328
Speed n Startup
Operation
Main motor Braking
n1
n1 < 500
=
n2 1
0
Time t
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Fast and simple planning – Drive Designer Online
Whatever you develop and design – everything is easier, The 2D geometry diagrams are available as DXF or DWG
faster and safer with Drive Designer for gear motors and files. You can import the drawings direct into your design
wheel blocks. in AutoCAD.
In only a few minutes at
www.demag-drivedesigner.com, you can Drive Designer Online enables you to generate 3D models
■ specify drives for motors, gearboxes, gear motors, wheel blocks and
■ determine dimensions travel drives up to and including complete sub-assemblies.
■ transfer drawings to your design The model design corresponds to the actual practical
■ view electrical circuit diagrams requirements.
■ obtain technical data
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www.demag-drivedesigner.com
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2D CAD files to scale 3D product geometries Individual dimension drawings
Drive Designer Online supports non-platform-specific 3D Drive Designer is online on the Internet. Decisive benefits:
CAD formats such as STEP, IGES, SET and VDA. For rapid ■ Requires no installation and no hard disk space
visualisation of the models, the files can also be exported ■ Latest technical data and dimensions
in VRML format for standard 3D viewers. ■ All information available round the clock worldwide
Complete overview –
the gear motor catalog
Our catalog provides comprehensive information on our
three gear motor types – helical, right angle and offset
gear motors – in combination with cylindrical-rotor and
conical-rotor motors. It also includes selection tables
relating to the various gear motor types, structured
according to output ratings. It also provides you with
technical data and details on the options.
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Precise drive data – CalDrive calculation software
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Complete industrial drive solutions – from wheels to inverters
Demag conical-rotor brake motors connection possibilities, high performance; from 2.75 t
for increased requirements such as extremely high to 40 t
switching frequencies and braking operation for outputs ■ RS wheel block system: with sheet-steel housing for
with conical-rotor motors; for high speed stages and lower load range up to 6.5 t
positioning with high stopping accuracy; speed ratios ■ RAE/RNE wheel sets: for integration into hollow-profile
Demag Dedrive Compact and Dedrive Pro Demag DCL Compact Line
frequency inverters Power feed system: designed for currents up to 200 A
for AC drives with motor shaft outputs up to 750 HP; (60 % CDF); fitted with up to 7 conductors, as required;
control of cylindrical and conical-rotor motors as single both for supplying mobile consumers with power as well
unitsor groups of drives; current loads from 2.4 to 110 A as for transferring control signals
or 4.2 to 544 A
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Sales and Service Centers in North America
California 5435 Industrial Parkway • San Bernardino, California 92407 South BTC 560, Suite 150, 454 S. Anderson Road • Rock Hill, SC 29730
Telephone (909) 880-8800 • Fax (909) 880-4469 Carolina Telephone (803) 909-9000 • Fax (803) 909-9001
Georgia 254 Lake Ruby Drive • Suwanee, Georgia 30024 Ohio 29201 Aurora Road • Cleveland, Ohio 44139
Telephone (678) 546-0593 • Fax (678) 482-7653 Telephone (440) 248-2400 • Fax (440) 248-3874
Illinois 11261 Kiley Drive • Huntley, Illinois 60142 Ontario 1155 North Service Road West, Unit 1 • Oakville, Ontario L6M 3E3
Telephone (847) 515-7030 • Fax (847) 515-7040 Telephone (905) 825-5900 • Fax (905) 825-5901
Michigan 46545 Continental Drive • Chesterfield, Michigan 48047 Quebec 3524, Rue Ashby • St-Laurent, Quebec H4R2C1
Telephone (586) 949-6035 • Fax (586) 949-2038 Telephone (514) 336-5556 • Fax (514) 336-4349
Missouri 3375 Hwy 185 • Washington, Missouri 63090 Texas 16430 Aldine-Westfield Road • Houston, Texas 77032
Telephone (636) 390-2495 • Fax (636)390-0366 Telephone (281) 443-7331 • Fax (281) 443-7308
Washington 704 - 228th Avenue NE • Sammamish, Washington 98074
Not liable for errors or omissions. Subject to change.
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