Flat servo gearbox F-EZ economical type

Flat gearbox F with electric synchronous motor, EZ. EZ servo motor. Power range: 0.29 – 31.0 kW. Gear ratios: 4.3:1 – 274:1. Maximum torque: 21 – 1,100 Nm. Backlash: 5.0 – 11.0 arcmin. Efficiency: 96 – 97%. Optionally equipped with encoder, resolver, up to 2 brakes, fan, and single-cable connection with EnDat 3.0. Delivered complete with servo drives SB6, SD6, SC6, SI6.

F-EZ Flat Economic Servo Gearbox

Features of F-EZ Flat Servo Gearboxes

• Compact and highly dynamic thanks to direct mounting of the servo motor onto the gearbox.

• Backlash options: Standard or reduced.

• Fractional gear ratios ensure no positioning errors.

• Quiet operation: Helical gearing.

• Maintenance-free: No oil changes required.

• Lubricated for life with synthetic grease.

• Mounting position to be specified when ordering.

• Ambient temperature: 0 °C to 40 °C (other ranges available on request).

• Lubrication: Filled with synthetic grease CLP HC ISO VG 150; mineral oil for food, beverage, or pharmaceutical use available on request.

• Maximum allowable gearbox surface temperature: ≤ 80 °C.

• Protection class: IP65, optionally IP66.

• Output seal: Standard NBR, optionally FKM. For >60% duty cycle and higher ambient temperatures, FKM radial shaft seals on the output are recommended.

• Gearbox housing: Cast iron.

• Direct mounting of STÖBER EZ/LM series servo motors possible without adapter, coupling, or dual brake.

• Standard paint: Black RAL9005 (other colors on request).

Output Shaft Types of F-EZ Flat Servo Gearboxes

• A – Hollow shaft with keyway (with cover)

• V – Solid shaft with key

• S – Hollow smooth shaft with clamping ring (with cover)

Mounting Options for F-EZ Flat Servo Gearboxes

• G – Threaded holes

• N – Foot mounting

• F – Round flange

• Q – Square flange

• Rubber buffer for torque arm

Features of EZ Servo Motors

• Electric synchronous motors with permanent magnets.

• Rotatable plug connectors with quick-lock mechanism.

• Operating temperature range: –15 °C to +40 °C.

• Protection class: Standard IP56, optionally IP66.

• Thermal class: F (155 °C).

• Electronic nameplate for quick identification of servo motor parameters.

• Rolling bearings with lifetime lubrication and non-contact sealing.

• Radial shaft seals made of FKM VITON.

• Radial and axial runout within tolerance class according to IEC 60072-1.

• Permissible noise levels according to EN 60034-9.

• Not suitable for use in explosive atmospheres.

• Certifications: CE, UKCA, optionally cURus.

• Integrated PTC thermistor, optionally PT1000 temperature sensor.

• Standard color: black RAL9005; other RAL colors optional.

• Optional: Homing elimination for multiturn absolute encoders.

• External fan for higher ambient temperatures, increased continuous power, or up to 30% higher torque.

• Electromagnetic safety brake: 24 VDC.

Encoders for F-EZ Flat Servo Gearboxes

• Resolver

• Absolute encoder EnDat 2.1 / 2.2, inductive or optical, Multiturn / Singleturn

• Optional single-cable solution (OCS) with EnDat 3.0 absolute encoder – EQI 1131 – for cable lengths up to 100 m

Compatibility of F-EZ Flat Servo Gearboxes with Servo Drives

• Single-axis SB6, Dual-axis SC6, Freely configurable SI6 and SD6 STÖBER
• B&R: Acopos series
• Beckhoff: AX5000 series
• Kollmorgen: AKD, S300, S400, S600 series
• Siemens: Sinamics S120 series
• Bosch Rexroth
• Allen-Bradley