System components | Industrial gear units

Couplings, brakes, base frames and more – we make your system solution complete

Do you need a turnkey drive solution for your application and want to save as much time and hassle as possible? Do you want your solution to be planned, designed and installed from end to end and precisely in line with your requirements? Would you prefer to deal with just one contact person for everything right from get-go so you can carry out your project with ease – including for future maintenance work?

If so, then SEW-EURODRIVE is exactly what you need. Our experts will create a complete drive package for you that will ensure you have your tasks perfectly under control. Everything is planned by us down to the finest detail, meaning you are equipped with the very system components your application requires.

You benefit from a perfectly coordinated overall package offering the best value for money, with SEW-EURODRIVE solving your drive task from start to finish. To provide this service, we collaborate with renowned manufacturers to expand our product portfolio.

You are therefore free to focus entirely on your application. We take care of everything from the detailed and comprehensive planning and design right through to the turnkey installation of your complete drive technology solution. Besides all that, however, we are also the reliable partner at your side, with our global yet close-knit assembly and service network there to offer you expert assistance throughout your system’s entire life cycle.

Couplings at input end

Various couplings are used between the motor and gear unit. A popular option are claw couplings or fluid couplings, depending on the application and desired properties.

Compensation of a small axial, radial and angular misalignment between both coupling hubs
Due to their elastic properties, elastomers in the coupling connection dampen motor impacts and vibrations and thus reduce the gear unit load caused by the motor
Various designs, e.g. with a brake drum or brake disk

Delay chamber to reduce the motor starting torque for a gentle, reliable start-up of belt conveyors, bucket elevators or other systems with high inertia starting
Easy to assemble and disassemble (fluid coupling can be radially extended)
Optional monitoring device to detect overheating and stop system in time if needed
Various designs, e.g. with a brake drum or brake disk, which makes it possible to use a brake, low braking torque (since at input end)

Couplings on output side

Depending on customer requirements, various types of couplings are suitable for connecting the drive package to the customer's application shaft. In particular, these include pin, claw, gear and flange couplings.

Compensation of a small axial, radial and angular misalignment between both coupling hubs
Due to their elastic properties, elastomers in the coupling connection dampen motor impacts and vibrations and thus reduce the gear unit load caused by the motor

Compensation of the axial, radial and angular misalignment between both coupling hubs
Due to their elastic properties, elastomers in the coupling connection dampen motor impacts and vibrations and thus reduce the gear unit load caused by the motor

Torsionally rigid coupling
Compensation of the axial, radial and angular misalignment between both coupling hubs

Designed with keyed connection or cylindrical interference fit
Rigid transmission of forces

Drive packages on a steel construction

Swing bases, base frames or drive frames tailored to customer specifications offer the opportunity to house the drive components in a space-saving arrangement fully assembled on a steel construction.

A steel construction to accommodate the gear unit, (hydraulic) coupling and motor (and brake, if required), including safety devices such as guards.
Rigid connection to the customer shaft and flexible connection via the torque arm
The torque arm holds the drive package in place in a horizontal position and stops the drive package from rotating. All other forces are absorbed through the output shaft.

A steel construction to accommodate the gear unit, coupling and motor (and brake, if required), including safety devices such as guards.
Rigid connection to the floor
Connection to the customer shaft via an elastic coupling to avoid tension caused by static redundancy
The base frame is designed by SEW-EURODRIVE according to the respective customer specifications. It is designed to absorb order-specific, external forces and torques of the machine and to deflect them to the supporting structure.

Manufacturing of drive frames tailored to customer specifications

Brakes

A range of designs are available if brakes need to be used at the input end. A popular choice in this scenario are drum or disk brakes.

Ideally used as a holding brake to reliably hold e.g. a conveyor belt. In this example application, the belt is prevented from running backwards in the event of a stoppage
Monitoring devices to conduct functional testing of the operating status and avoid operating errors
Braking torque can be set over a wide area
Options: automatic wear adjustment, limit switch to release/apply brake, releasing lever with safety monitoring

Ideally used as a working brake to reliably brake e.g. a conveyor belt through different speeds until brought to a stop
Monitoring devices to conduct functional testing of the operating status and avoid operating errors
Automatic adjustment device for independent balancing of brake linings (in event of wear) for a constant braking torque and to maintain the brake function
Braking torque can be set over a wide area, avoiding overload caused by the brake
Timely stoppage of e.g. a conveyor belt in the case of consecutive belts, avoiding overfilling of the following belt
Options: automatic wear adjustment, limit switch to release/apply brake, releasing lever with safety monitoring

External oil supply and oil cooling systems

Oil cooling systems available as oil-air and oil-water coolers
Oil supply system in which the supply of oil is ensured by lubrication via a motor pump mounted externally onto the gear unit and unaffected by the gear unit speed
Different variants as a combination of oil supply system and oil cooling system to ensure supply to gear unit and for simultaneous (or switchable) cooling of the gear unit

Virtually unlimited increase of thermal ratings
Targeted reduction of the maximum oil bath temperature increases the service life of the oil
Robust gear wheel motor pump
Starting viscosity of up to 5000 cSt
SEW-EURODRIVE motors ensure high availability and flexibility

Virtually unlimited increase of thermal ratings
Targeted reduction of the maximum oil bath temperature increases the service life of the oil
Virtually no noise generated
Robust gear wheel motor pump
Starting viscosity of up to 5000 cSt
SEW-EURODRIVE motors ensure high availability and flexibility

The motor pump can be switched on independently of the gear unit to ensure the gear unit is sufficiently lubricated before starting
Suitable for use in conjunction with inverter operation (gear units) and for a long acceleration ramp (gear units)
Robust gear wheel motor pump
Starting viscosity of up to 5000 cSt
Available with single or dual filter
SEW-EURODRIVE motors ensure high availability and flexibility.
Can be combined with water or air cooler
Options: Manometer, thermometer, flow switch, pressure sensor

Central wiring of sensors on terminal box

All sensors for transmission monitoring as well as the sensors of the oil supply system are wired centrally on a predefined terminal box
No local wiring work; simple plug-and-play solution
Sensors can be preselected and thus selected according to requirements; the size of the terminal box is determined by the number of sensors installed
Flexible positioning of the terminal box due to spatial characteristics of the application or general customer requirements

IP66 or NEMA 4 protection in two housing variants for temperatures down to -20 degrees Celsius as well as -40 degrees Celsius.
Three different sizes in painted steel or stainless steel for the connection of up to eight sensors; the following dimensions are available:
- 200 x 200 x 100 mm up to three sensors,
- 300 x 200 x 100 mm for four to six sensors,
- 400 x 200 x 100 mm for seven to eight sensors
Effective cable protection with hot-dip galvanized or stainless steel piping