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Mijno high precision, servo grade planetary gearheads

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article image MIJNO low backlash planetary gearboxes: (L-R) Type MRP, Type MNT, Type BDB and Type MRA
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T.E.A. Transmissions presents a reliable range of servo grade planetary gearheads designed for high precision, low backlash and long life.

All MIJNO low backlash planetary gearboxes provide a minimum of 20,000 hours of lifetime in both directions of rotation including 20% of the lifetime in acceleration/ deceleration, with the combined maximal radial and axial forces. When used at less than these values, the gearheads’ theoretical (calculated) lifetime increases exponentially, potentially going up to hundreds of thousands of hours.

MIJNO planetary gearboxes can be assembled with extremely low backlash – as little as 1 arc-min backlash. Arc-min backlash is a reticule of 60 divisions, corresponding to one degree on the circle. A single shaft revolution represents 360 degrees with each degree divided into 60; 1 arc-min therefore equals 1/60th of a degree.

The low backlash enables the machine to carry out very precise applications.

The planetary gearboxes can also be combined with a low backlash right angled box to enable transmission of rotary motion and power between 90-degree angle shafts with ratios as high as 100:1. All gearboxes are also available in a full stainless steel washdown version with IP67 protection.

Type MRP

Key features include: Five sizes 5 Nm to 290 Nm (continuous); low backlash (15, 12 or 10 min depending on size and selected option); convenient output interface enabling centring on the bearing for a perfect shaft concentricity; shaft with or without keyway (with a DIN332D threaded hole as standard); and IP54 protection.

Type MNT

Key features include: Backlash from 8 to 1 arc-min; high radial and axial load capability; quiet and reliable performance; high torsional stiffness; 13 different reduction ratios 3:1 to 100:1; ISO and DIN output interfaces; IP65 protection; washdown stainless steel version IP67 and psi water jets available; optional lubricating grease for the food processing industry; and easy maintenance.

Type MRA

Key features include: Backlash 10 to 5 arc-mins; output shaft supported by two angular contact ball bearings to increase radial load acceptance; up to 13 different ratios 3:1 to 100:1; choice of output interfaces (through-hole, up to 4 shafts); IP65 protection; washdown stainless steel version featuring IP67 and 1500 psi water jets available; optional lubrication for the food processing or pharmaceutical industries; and easy maintenance.

Type BDB

Key features include: Rotating output flange instead of traditional output shaft enabling unique power transmission solutions; satellite gears with dual support in a massive cage providing high stiffness, the gears remaining inline even during peak torque; output flange rotating on taper rolling bearings for maximum radial and axial loads; very low backlash (5 to 1 arc-min max); up to fourteen different ratios from 3 to 220; ISO or DIN output interface; temperature range -35°C to 130°C; IP65 protection; washdown stainless steel version IP67 and 1500 psi water jets available; optional lubricating grease for the food processing industry; and easy maintenance.

Please visit the T.E.A. Transmissions website for full specifications and downloadable PDFs. 

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