Overview
Our wheel range
Our wheels and wheel block systems are designed and manufactured as modular solutions for a wide variety of applications. They are used in countless mobile devices and systems – as single components or as complete travel units. They demonstrate their high reliability and long service life in operation every day – with only a minimum maintenance requirement. Simple installation and alignment, favourable dimensions and a wide variety of versatile connection options make our wheel systems particularly cost-effective. The broad range covers wheel loads up to 60 tonnes. See all the performance details and benefits on the product pages
Wheels - Modular system variants
DRS wheel block system
Modular system for tailor-made solutions
Our DRS wheel block system is a versatile travel wheel system and is perfectly integrated into our modular drive system. Eight finely graded sizes with load capacities of up to 40 tonnes per wheel provide the right wheel block for every application. And the large selection of travel wheels and special wheel designs enable them to be adapted to almost any travel rails and operating conditions. Cost-effective and ready to install. Further strengths:
- high performance range and maximum load capacity
- many travel wheel shapes as standard as well as customer-specific designs
- 4 variants for connection to the customer's superstructure
- high-quality housing with optimum protection of the travel wheels and bearings
- high rigidity
- direct connection of optional accessories
- laser alignment system for wheel blocks on multiple travel units
Exact configuration
- 8 sizes with load capacities per wheel from 2.75 tonnes to 40 tonnes
- Wheels of various shapes and designs – made of spheroidal-graphite cast iron (GGG 70), polyamide or featuring Hydropur tyres
- A: Guided on both sides by flanges for rail systems
- B: Wheels without any flanges, optionally fitted with lateral guide rollers, also with concave shape or contour to customer specifications
- D: Wheels guided by a flange on one side for units running at floor level
- E: Larger diameter wheels without a flange for increased ground clearance
- S: Wheels of prismatic, trapezoidal or concave shape for guided applications
- F: Flangeless wheels with a Hydropur tyre for high acceleration & quiet running characteristics
- C: Flangeless, concave polyamide wheels for quiet operation that is kind to the runway
Many connection variants
- Prepared mounting surfaces for virtually any connection: from top and end connection arrangements with bolted and welded connection elements, to side and pin connection arrangements
- K: Top connection
- B: Pin connection
- S: End connection
- W: Side connection
Tailored solutions
- Complete travel units with precisely matching geared motors from the Demag modular drive system
- High rigidity thanks to special stiffeners
- High ground clearance for wheel blocks thanks to the compact system design – also for complete drive units with their gearbox concept designed to match the wheel load
- Horizontal guide roller arrangements and buffers in various sizes and designs (optional)
Very easy assembly
- Housings ready for direct connection to superstructures
- Simple connection to superstructures thanks to tight design and position tolerances of the housing and precise geometry in all planes
- Laser alignment system for simple and precise alignment of the wheel blocks
- Simple wheel replacement without the need for re-alignment of top connection thanks to patented asymmetrical housing
- Wheel blocks can also be moved and aligned laterally after they have been installed in hollow sections and beams (for top, end and pin connection arrangements)
Require little maintenance
- Cast housing enclosed on five sides reliably protects the travel wheels against any mechanical influence
- Generously dimensioned grooved ball bearings which are lubricated for life, tapered roller bearings from size DRS 250
- Travel wheels made of self-lubricating spheroidal-graphite cast iron (GGG 70) for low friction and high resistance to wear
- Integrated wear indicator on wheels with flanges for remote visual diagnosis
Dimensions (DRS with spheroidal-graphite cast iron travel wheel with two flanges)
| Size | Max. load capacity | Travel wheel dia. | Weight | Dimensions [mm] | ||||
| [t] | [mm] | [kg] | a1 | b1 | b2 | c1 | h1 | |
| DRS 112 | 2.75 | 112 | 7.3 | 190 | 47 | 80 | 96 | 131 |
| DRS 125 | 5 | 125 | 9.9 | 220 | 60 | 80 | 98 | 147.5 |
| DRS 160 | 7 | 160 | 18.3 | 275 | 65 | 89 | 110 | 187 |
| DRS 200 | 10 | 200 | 35.7 | 340 | 65 | 101 | 130 | 238 |
| DRS 250 | 16 | 250 | 62 | 385 | 75 | 110 | 150 | 281 |
| DRS 315 | 22 | 315 | 117 | 470 | 90 | 130 | 180 | 349.5 |
| DRS 400 | 30 | 400 | 201 | 580 | 110 | 155 | 210 | 440 |
| DRS 500 | 40 | 500 | 352 | 700 | 110 | 170 | 240 | 566 |
- Torque brackets for connection to offset and angular geared motors
- Horizontal guide rollers
- Buffers in various sizes and designs
- Rail sweeping system
- Solutions for high temperature applications
- Travel wheels of hardened design
DRS wheel block system
LRS travel wheel system
he system that is ready to install for a perfect fit
Using our LRS travel wheel system, you can meet your drive requirements quickly and reliably for transport, feed, transfer, distribution or merge applications. We can supply you with the travel wheels and drive units to suit every application. Ready to install, tried-and-tested designs at extremely attractive prices. What other benefits does the LRS travel wheel system offer?
- Suitable for wheel loads up to 6.5 tonnes and travel speeds up to 240 m/min
- High-quality sheroidal-graphite cast-iron housing
- 5 connection surfaces provide for a multitude of connection variants
- Versatile thanks to the modular design
- Also ideal for OEMs
- Maintenance free
Flexibility
- Modular system to meet practical design requirements
- Three sizes available for loads up to 6.5 tonnes and travel speeds up to 240 m/min
- Ideal for engineers who want to build their own solutions for a wide variety of applications (simple selection of components)
- Can also be extended quickly and cost-effectively at a later date
- For push-travel operation or fitted with Demag offset and angular geared motors as individual or central drive units
Cost-effective implementation
- Attractively priced standard modules for short delivery times with high availability
- Consistently high quality thanks to reliable series production
Tailored solutions
- High ground clearance for wheel blocks thanks to the compact system design – also for complete drive units with their gearbox concept designed to match the wheel load
- Flangeless travel wheels with a Hydropur tyre for quiet running characteristics also with high acceleration
- Travel wheels made of spheroidal-graphite cast iron (GGG 70) with vibration-damping characteristics for high-speed operation which is particularly gentle on the rail
- Comprehensive range of gearbox sizes and travel motors
Wide range of mounting options
- Horizontal guide rollers
- Buffers
- Pin connection set
- Rail sweeping system
- Laser alignment jig
Other features
- Maintenance-free, patented travel wheel bearing arrangement
- Gearbox and travel wheel connected via a hollow shaft with involute splines and optimum matching torque bracket
- All travel wheels have hub splines to DIN 5480
- Travel units fitted with the LRS system offer good ground clearance for travel on rails at ground level
- Included in the scope of delivery: high-tensile bolted connections with special surface protection
Travel speeds and load capacities:
LRS travel wheel system dimensions
| Size/ travel wheel *) |
Max. load capacity | Travel wheel dia. | Weight | Dimensions [mm] | |||||
| [t] | [mm] | [kg] | l1 | d1 | hA / hF |
b1 | b2 | ||
| LRS 200 A | 2.5 | 175 | 15.3 | 250 | 175 | 204.5 | 52 | 70 | |
| LRS 200 F | 1.2 | 200 | 15.1 | 200 | 217 | - | 70 | ||
| LRS 250 A | 3.5 | 220 | 27.6 | 306 | 220 | 255 | 55 | 80 | |
| LRS 250 F | 1.7 | 250 | 26.7 | 250 | 270 | - | 80 | ||
| LRS 350 A | 6.5 | 315 | 63 | 450 | 315 | 349.5 | 65 | 95 | |
| LRS 350 F | 3.0 | 350 | 65 | 350 | 367 | - | 110 | ||
- A = flanged travel wheel made of spheroidal-graphite cast iron
- F = travel wheel fitted with Hydropur tyre
Please refer to the DRS travel wheel system brochure (download) for further technical data and dimensions
LRS travel wheel system
RS wheel block system
Performance and versatility – also under extreme conditions
Our RS wheel block system is suitable for applications in which a housing made of sheet steel is required, such as for impact loads. The RS system is also employed in high-temperature applications up to 250 °C or wherever a stainless steel housing is needed. Various travel wheel designs and possible connections to superstructures make the system suitable for universal applications.
Further strengths include:
- 5 sizes with load capacities from 3.5 tonnes to 18 tonnes
- housing made of steel or stainless steel
- many travel wheel contours as standard
- 4 variants for connection to the customer's superstructure
- driven by Demag offset geared motors
- integrated connections, e.g. for torque brackets, guide roller arrangements and buffers.
High performance for extreme applications
- Long service life of the steel and mechanical elements
- Special design for high-temperature applications up to 150 °C
- Or with furnace carriage bearings up to 250 °C
- Stainless design for applications in the chemical industry, the foodstuffs sector and in aggressive environments (size RS 125)
Versatile
- Wide variety of standard travel wheel designs
- Housing made of steel or stainless steel
- 5 sizes with load capacities from 3.5 tonnes to 18 tonnes (RS 125 to RS 400)
Very easy assembly
- Load-bearing block enclosed on 5 sides with connecting surfaces featuring multiple bore holes
- Rapid installation and removal for all connection variants
- Reamed lateral bore holes for the pin connection
- Integrated connections for torque brackets, guide roller arrangements and buffers
Optimum drive
- Positive connection to the gearbox hollow shaft (involute splined profile) guarantees reliable torque transmission
- Particularly suited for reversing operation typically found in travel applications
- The Demag modular system includes the D1 torque bracket (fitted direct to the wheel block) or D2 torque bracket (fitted to the customer's superstructure) to accommodate the torque transmitted by the drive
Dimensions (RS with spheroidal-graphite cast iron travel wheel with two flanges)
| Size | Max. load capacity | Travel wheel dia. | Weight | [mm] | ||||
| [t] | [mm] | [kg] | a4 | l5 | h7 | b1 | b2 | |
| RS 125 | 3.5 | 125 | 8.0 | 220 | 98 | 148 | 60 | 68 |
| RS 160 | 5 | 160 | 15 | 275 | 110 | 187 | 60 | 75 |
| RS 250 | 9 | 250 | 40 | 385 | 150 | 281 | 65 | 100 |
| RS 315 | 12 | 315 | 65 | 470 | 180 | 350 | 65 | 110 |
| RS 400 | 18 | 400 | 153 | 580 | 210 | 440 | 80 | 140 |
Connection variants
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RS wheel block system
DWS wheel sets
Our DWS wheel set performs transport duties on rails, including for heavier loads. We use it to build complete travel units of driven and non-driven design. These are equipped with our offset and angular geared motors from our modular range of industrial drives.
The use of these proven DWS series-manufactured components offers a high level of functional reliability and guarantees ease of installation when the wheel is replaced. Thanks to its versatility, the DWS wheel set is not only used in the crane and materials handling sector, but also for related mechanical engineering solutions.
- DWS wheel sets can be installed in hollow profile sections, box-section girders and used as corner-bearing travel units
- The entire wheel set can be installed without the need for complicated alignment in corner bearing arrangements
- Complete configuration with torque bracket
- 3 sizes with load capacities from 28 tonnes to 63 tonnes
- The wheel sets can be installed in hollow profile sections, box-section girders and used as corner-bearing travel units
DWS wheel set in hollow profile section/as a corner-bearing travel unit
- Simple track gauge adjustment thanks to interchangeable distance washers between the anti-friction bearings and retaining rings
- Rapid installation and removal of the travel wheel from the travel unit using conventional tools
- Long service life thanks to standard re-lubrication facility
- Perfect match with Demag offset or angular geared motors with the corresponding torque bracket
DWS wheel set and angular geared motor (in connection with a torque bracket)
- Flange-wear indicator on travel wheels that have a flange
- Flange bearings provided with recesses to attach extractors
- Also available without a flange bearing for direct connection to a corresponding prepared superstructure
Dimensions
| Size | Max. load capacity | Travel wheel dia. d1 | Weight | [mm] | ||||
|---|---|---|---|---|---|---|---|---|
| [t] | [mm] | [kg] | I5 | I6 | d2 | b1 | b2 | |
| DWS 400 | 28 | 400 | 105 | 280 | 362 | 437 | 80 90 | 125 140 |
| DWS 500 | 40 | 500 | 142 | 320 | 402 | 537 | 90 110 | 140 170 |
| DWS 630 | 60 | 630 | 310 | 350 | 456 | 680 | 75 110 | 140 170 |