For wheel loads up to 88,000 lbs (40,000 kg)

DRS wheel block system

Modular system for tailor-made solutions

Our DRS wheel block system is a versatile travel wheel system that's perfectly integrated into our modular drive system. Eight finely graded sizes with load capacities of up to 88,000 lbs (40,000 kg) per wheel provide the right wheel block for every application. Our large selection of travel wheels and innovative wheel designs ensure a solution to nearly any travel rail and operating condition.

  • 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.

Your Contact

Demag contact

Demagcranes

29201 Aurora Road
Solon, Ohio 44139-1895
USA

Phone:
+1 (440) 248 2400
Fax:
+1 (440) 248 3874

Product information

The benefits at a glance

Exact configuration

  • 8 sizes with load capacities ranging from 6,000 lbs to 88,000 lbs (2,750 kg to 40,000 kg) per wheel
  • Wheels of various shapes and designs – made of spheroidal-graphite cast iron (GGG 70), polyamide or featuring Hydropur tyres
DRS wheel block system
  • 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

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
Many connection variants
  • K: Top connection
  • B: Pin connection
  • S: End connection
  • W: Side connection

Tailored solutions

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 due to compact system design. Complete drive units with  gearbox engineered to match the wheel load
  • Horizontal guide roller arrangements and buffers in various sizes and designs (optional)

Simple assembly

  • Housings ready for direct connection to superstructures
  • Simple connection to superstructures thanks to tight design, effective housing position tolerances and  precise geometry in all planes
  • Laser alignment system for simple and precise wheel block alignment
  • 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)

Minimal maintenance

  • Cast housing enclosed on five sides reliably protect the travel wheels against 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

Technical data

Dimensions (DRS with spheroidal-graphite cast iron travel wheel with two flanges)

DRS technical data
Size Max. load capacity Travel wheel dia. Weight Dimensions [mm]
  lbs [kg] inch [mm] lbs [kg] a1 b1 b2 c1 h1
DRS 112 6,050 [2.750] 4.4 [112] 16 [7.3] 190 47 80 96 131
DRS 125 11,000 [5,000] 4.9 [125] 22 [9.9] 220 60 80 98 147.5
DRS 160 15,400 [7,000] 6.3 [160] 40 [18.3] 275 65 89 110 187
DRS 200 22,000 [10,000] 7.9 [200] 79 [35.7] 340 65 101 130 238
DRS 250 35,200 [16,000] 9.8 [250] 137 [62] 385 75 110 150 281
DRS 315 48,400 [22,000] 12.4 [315] 258 [117] 470 90 130 180 349.5
DRS 400 66,000 [30,000] 15.7 [400] 443 [201] 580 110 155 210 440
DRS 500 88,000 [40,000] 19.6 [500] 776 [352] 700 110 170 240 566

Options and accessories

  • Torque brackets for connection to offset and right angle gear motors
  • Horizontal guide rollers
  • Buffers in various sizes and designs
  • Rail sweeping system
  • Solutions for high temperature applications
  • Travel wheels of hardened design

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