Technical Specifications:
- Rated Power: 4.2 kW
- Rated Current: 8.5 A
- Rated Speed: 3350 rpm
- Maximum Speed: 5000 rpm
- DC Link Voltage: ~195 V DC (servo drive intermediate)
- Encoder: High-resolution incremental or 16-bit absolute (single+multiturn, DRIVE-CLiQ compatible)
- Protection: IP65 (some references IP67 on drive end)
- Cooling: Natural convection
- Shaft Height: 100 mm (1FK7101 frame)
- Shaft: Keyless, smooth with radial tolerance N
- Mounting: Flange
- Insulation: Class F
- Operating Temp: -10 °C to +40 °C
- Weight: 6.8–25 kg depending on brake/feedback options (common ~18 kg with brake)
- Connectors: Industrial circular power + feedback, rotatable
Functional Features: Low torque ripple, fast acceleration, KUKA ZS07 shaft/connector layout, absolute positioning, compatible with KUKA KSD/SINAMICS servo drives.
Application Scenarios: KUKA articulated robot axis (base, shoulder, elbow), welding robot arm, high-speed pick-and-place, CNC auxiliary axis.
Structure & Material: 1FK7 aluminum/steel housing, NdFeB rotor, keyless shaft, resolver/encoder hybrid option, IP65 seals, rotatable circular connector.
Working Principle: Same PM synchronous principle as Siemens 1FK7; KUKA controller issues EtherCAT/analog torque-speed command, drive commutates stator, encoder closes position loop at micrometer-level repeatability.
Installation Requirements: Fit to robot joint harmonic drive or gearbox with specified coupling, align keyless shaft, route KUKA motor cable with integrated feedback, bond shield to PE at both ends per KUKA manual.
Usage Notes: ZS07 suffix is not interchangeable with standard Siemens 1FK7101 shaft—verify flange pattern and connector orientation before retrofit. Never disassemble brake without spring-safe tooling. Use only KUKA-approved servo cable to preserve DRIVE-CLiQ/encoder integrity.
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