Product Short Description
Product Name: SIMOTICS 1FK7 Synchronous AC Servo Motor.
Product Introduction: Compact permanent-magnet servo motor from Siemens 1FK7 series for SINAMICS S120/CU320 motion systems, providing precise speed/torque/position control in CNC, robotics and automation.
Technical Specifications:
- Rated Power: 0.75 kW
Description
- Rated Voltage: 400 V AC 3-phase
- Rated Current: 2.0 A
- Rated Torque: 1.0 Nm
- Peak Torque: ~3.5 Nm
- Rated Speed: 3000–4500 rpm (version-dependent, 4500 rpm max common)
- Rotor Inertia: 0.0015 kg·m²
- Encoder: Incremental or absolute (DRIVE-CLiQ), depends on -1DG0 option
- Protection: IP54 (some builds IP65)
- Cooling: Self-ventilated/natural
- Mounting: Flange B5
- Insulation: Class F
- Dimensions: Approx. 160 × 160 × 300 mm, ~5 kg
Functional Features: High torque density, low ripple, DRIVE-CLiQ digital feedback, compatible with SINAMICS S120, brake option in other suffixes.
Application Scenarios: CNC axis feed, semiconductor handling, packaging machine cam axis, robotic wrist assist, lab automation stages.
Structure & Material: Aluminum stator housing, NdFeB permanent-magnet rotor, keyed or keyless shaft, rotatable connector, IP54 seals.
Working Principle: SINAMICS inverter energizes 3-phase stator; rotating field interacts with PM rotor; encoder feeds position back to drive for closed-loop commutation.
Installation Requirements: Flange align to gearbox/coupling, shield DRIVE-CLiQ cable, separate power and feedback routing, earth motor frame to cabinet PE.
Usage Notes: Match encoder type to drive firmware. Do not run without feedback connected. Observe stall-time limit to avoid demagnetization.
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