MRA right-angle planetary gearbox

 

CHARACTERISTICS OF THE MRA RANGE

5 sizes up to 600 Nm rated for low backlash in dynamic applications.

  • All our satellite gears are case hardened to 60 HRC and ground to class DIN 6 to 5 - AGMA 12 to 13
  • They are cantilever supported on hardened and ground shafts.
  • All our backlashes are guaranteed 30,000 hours.
  • All our satellite gears feature Rotaxe® tooth profile modification. This reduces friction, increases lifetime and offers quietest operation.
  • All key components are manufactured in house under strict quality management.
  • All bearings are oversized and purchased from the world's most reliable suppliers.
  • All gears rotate on hand-assembled needles instead of caged bearings.
  • All our given torque values are calculated for the longest lifetime.

LIKE ANY MIJNO GEARBOX, THE MRA RANGE OFFERS
 

  • Backlash : from 10 to 5 minutes*
  • Output shaft is supported by 2 angular-contact ball bearings in order to increase radial load acceptance.
  • Efficiency : from 91% to 96%*
  • Up to 13 different standard ratios*
  • Great choice of output interfaces (through hole, up to 4 shafts...)
  • Easy 1 minute clamping into any motor shaft (self-locating input flange)
  • High temperature range of use (-31°F to 266°F depending upon option) (-35°C to 130°C)
  • IP 65 standard waterproofness.
  • Washdown stainless steel version featuring IP-67 & 1500 psi water jets available.
  • Optional lubrication for food-processing or pharmaceutical industries
  • Easy maintenance

*depending upon size, ratio and options

Please contact us if the solution you are looking for cannot be found in our standard catalog. Our design department can create a custom gearbox to meet your needs.

MRA Technical guide (PDF) Mra 2D/3D drawngs (STEP)