TECHNICAL MANUAL FOR THE RDR BL3 - V1.1 DRIVE ROLLER Rev. 21/09/2018 page 14
6 THE RDR BL3 DRIVE ROLLER
The RDR Drive Roller is a motorized roller equipped with a 24Vdc low-voltage electrical Brushless motor.
The drive electronics, the motor and the reduction gear are contained inside the tube of the Drive Roller, with IP54
protection rating against penetration by solid and liquid bodies. The Drive Roller is available with different reduction
ratios for a vast range of torque settings and speeds. See the product specifications below.
6.1 Configuration of the RDR BL3 Drive Roller
• Standard tube: 50x1.5 galvanized Sendzimir (Z),
• Tube option 50x1.5 galvanized electrolytic (J)
• Tube option 50x1.5 AISI 304 stainless steel (I)
• Tube option with 1 or 2 grooves (standard position a=35 b=20)
• Tube lagging option - soft PVC sleeve (P)
• Tube lagging option - vulcanized rubber (R)
• Tube option with greater thickness, turned, cylindrical or convex, with surface processing or special heat
treatment.
• Size 11 hex (A/F) standard hexagonal pinion, male threaded M12, in galvanized steel (with standard bearings)
• Size 11 hex (A/F) , threaded male M12, stainless steel (with stainless steel bearings)
• Rulmeca cut-proof 5-wire cable, without halogens, 600 mm in length, with stripped wires, ready for cabling or
with 5-core connector (STD).
• Control head opposite the cable: standard with 6002-RS bearing, galvanized floating pin (or stainless steel
floating pin in combination with stainless steel pins) bored and threaded M8, size 19 wrench, with hexagonal
head screw and washer.
• Motor driven or friction driven control head opposite the cable: alternative, with 9 groove pulley, for flexible
Poly-V belts, PJ ISO 9981 DIN 7867 shape, with 6002-RS bearing, galvanized floating pin (or stainless steel
floating pin in combination with stainless steel pins), bored and threaded M8, size 19 wrench, supplied with
hexagonal head screw and washer. The floating pin is provided with an anti-extraction system.
• Motor driven or friction driven control head opposite the cable: alternative, with pulley, for 2 round straps
measuring 4 or 5 Ø with 6002-RS bearing, galvanized floating pin (or stainless steel floating pin in combination
with stainless steel pins), bored and threaded M8, size 19 wrench, supplied with hexagonal head screw and
washer. The floating pin is provided with an anti-extraction system.
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