Siemens 1FK7 high-dynamic synchronous servo motor, 3.18 kg, 3-phase, factory-discontinued.
| Parameter | Value |
|---|---|
| Weight | 3.18 kgs |
The 1FK7033-7AF21-1DH0 is a synchronous servo motor out of the Siemens 1FK7 high-dynamic family — the compact high-inertia block designed for machine-tool feed axes and similar positioning drives where the load reflects back through the gearbox.
No stock-holding promise, no factory-direct claim; just the market that exists for a hot EOL motor.
The 1FK7 high-dynamic family drives positioning axes — feed drives on machine tools, small-format gantries, indexing tables, and packaging-form axes where the load reflects back through a gearbox or belt. The synchronous rotor gives the stiffness and bandwidth those loops need; the high-dynamic rating is the thermal envelope that lets the motor hold peak torque during accel/decel without derating.
Alternative models and sibling configurations in the same Siemens series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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