Stoeber C-IE3D helical gearmotor

C helical gearbox with a three-phase asynchronous electric motor. Helical gearmotor with power range 0,12 – 30 kW. Gear ratio range 2:1 – 274:1. Output torque max. 2.3 – 8,677 Nm. Backlash 10 – 20 arcmin. Efficiency 96 – 97%. Energy efficiency class: IE3. The helical geared motor is optionally available with encoder, brake, fan, frequency inverter, ATEX explosion-proof version, and anti-corrosion design.

C-IE3D helical gearmotor

Features of C helical gearboxes

• Direct mounting on the motor, no adapter or coupling required
• Cast iron housings
• Quiet operation – helical gear teeth
• High precision – gearbox ratio expressed as a fraction, no positioning errors
• Maintenance-free – no oil change required for sizes C0–C5
• Standard backlash: 18–20 arcmin
• Output shaft sealing: NBR
• Ambient temperature: 0°C to +40°C (other ranges on request)
• Maximum permissible gearbox surface temperature: ≤ 80°C
• Protection class: IP56
• Mounting position to be specified when ordering
• Standard colors: RAL7001 or RAL9005 (other colors on request)
• Mineral grease CLP ISO VG 220

Optional execution of C helical gearboxes

• FKM VITON sealing
• Double output shaft sealing
• Protection class: IP66
• Stainless steel output shaft
• Synthetic grease CLP HC ISO VG 220 or special food-grade grease
• With ME adapter and coupling matched to the electric motor
• ATEX explosion-proof version

Mounting types for C helical gearboxes

• G – pitch circle diameter (holes in the housing around the output shaft),
• F – round flange,
• Q – square flange,
• N – foot mounting.

Features of IE3D asynchronous electric motors

• Vector speed control range: 0 – 100 Hz
• Constant torque control range: 0 – 87 Hz
• Motor thermal protection – integrated temperature sensors in the windings (PTC thermistor)
• 3-phase power supply: 50 Hz, 3×230/400 V AC or 87 Hz, 3×230 V AC
• Two winding configurations: delta/star
• 2-pole or 4-pole motors
• Standard cooling: self-ventilated
• Energy efficiency class IE3 according to EN 60034-30-1
• Certifications: CE, cURus, EISA CC number, including cURus (on request)

Optional features for asynchronous electric motors

• Incremental encoder or absolute encoder (SSI)
• Spring-applied brake 24 V DC or 1×230 V AC
• Manual brake release
• Motor heaters
• Condensation drain holes
• Motor protective cover

Recommended motor drive controllers

• FDS5000 vector inverters – power range 0.75 – 7.5 kW
• SDS5000/MDS5000 servo drives – power range 0.75 – 45 kW
• SD6 servo drives – power range 0.75 – 45 kW
• SI6/SC6 – power range 0.75 – 25.9 kW
• INVEOR KOSTAL vector frequency inverters