GNP Low-backlash Planetary Gearboxes
2Pages

GNP Low-backlash Planetary Gearboxes FEATURES          Flange-style output face – can be mounted in your machine from the motorside. The output housing is aluminum (1) Alloy steel output shaft is supported by two deep groove ball bearings for improved rigidity Alloy steel center ring has accurately machined integral ring gear Hardened and ground planet gears rotate on needle bearings and large hardened shafts Input pinion is outboard supported (not cantilevered) in a ball bearing for rigidity Input coupling has two opposing screws for secure connection to servo motor shaft Motor-input housing is anodized aluminum with a lubrication seal for the input coupling Precision backlash of 1 arc-min max. for one stage (5/6 arc-min as standard) Customised gearboxes with special ratio available upon request MECHANICAL DIMENSIONS Motor Shaft Diameter Motor input view Dimensions (in mm) φ D1 keyway std. φ D2 standard φ D3 (2) φ D4 (2) φ D5 (2) motor side L1 standard L2 one stage L2 two stage □L3 standard □L4 standard (1) The output housing of size GNP 90 is alloy steel. (2) Typical value. This dimension is machined for user’s specified servo motor. Drawings are available in PDF & STEP format upon request. (3) Option: φ16 Motion Control Products Ltd.

TECHNICAL SPECIFICATIONS Nominal Output Torque 3 times Nominal Output Torque Permissible Input Speed (3) Max. radial force (mid shaft) Allowable Input Shaft Diameter Operating Temperature Range Noise level Rated life Lubrication Protection class Gearhead Inertia Efficiency at full load No-load running torque 3.4 times Nominal Output Torque Notes: (1) Please contact us for stage 3 ratios (which can reach up to 1000:1) (2) For 1000 times max during life of gearhead. (3) For input speeds above 3000rpm, please consult us, with application details (4) Low backlash of 1 arc-min for one-stage and...