{"product_id":"siemens-1fk7100-2af71-1qb0-1fk7-ct-servo-motor","title":"Siemens 1FK7100-2AF71-1QB0 SIMOTICS S 1FK7-CT 18Nm 3.8kW Servo Motor","description":"\u003cp\u003eThe Siemens 1FK7100-2AF71-1QB0 is a SIMOTICS S 1FK7-CT synchronous servo motor rated 18 Nm standstill torque (M0) at 8.0 A rated current, with a naturally cooled IMB5 design, an absolute single-turn 20-bit Drive-CLiQ encoder, an integrated holding brake, and IP64 protection. Optimum speed is 3,000 rpm with a shaft height of 100 mm and a torque constant of 1.62 Nm\/A.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrder Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1FK7100-2AF71-1QB0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSIMOTICS S \/ 1FK7-CT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Poles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.0 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMoment of Inertia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e62.000 kgcm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e92.0 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTorque Constant\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.62 Nm\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Constant at 20°C\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e104.5 V\/1000 min⁻¹\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWinding Resistance at 20°C\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.32 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRotating Field Inductance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.3 mH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Time Constant\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22.50 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMechanical Time Constant\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.00 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Time Constant\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Torsional Stiffness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e135,000 Nm\/rad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight, Order Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight of Motor, Datasheet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRadial Runout Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.050 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConcentricity Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAxial Runout Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDegree of Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Color\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnthracite, RAL 7016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEncoder\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAbsolute single-turn, 20-bit, Drive-CLiQ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptimum Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3,000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.8 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDC Link Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e600 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIMB5 (IM V1, IM V3), Flange 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eSelection Notes\u003c\/h2\u003e\u003cp\u003eThe 1QB0 configuration adds an integrated holding brake and a feather-key shaft (tolerance N) to the base 1FK7100-2AF71 motor, so it holds position on a vertical or overhung load when drive power is removed, pick it over a brakeless variant whenever the axis must not drift at standstill. At 18 Nm standstill torque and 8.0 A rated current with a 22.50 ms electrical time constant, it suits mid-range single-axis positioning rather than the smaller or larger frame sizes in the 1FK7 line. The 20-bit single-turn Drive-CLiQ encoder gives absolute position feedback without a battery-backed multi-turn option, so an external reference or homing move is still needed after more than one revolution of travel.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eSuited to single-axis servo positioning where a vertical or gravity-loaded axis needs to hold position without drive power, such as lift and gantry axes, rotary indexers, and machine tool feed axes controlled over Drive-CLiQ from a SINAMICS drive.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53960359936283,"sku":"1FK7100-2AF71-1QB0","price":2474.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-1fk7100-2af71-1qb0-1fk7-ct-servo-motor.png?v=1789714304","url":"https:\/\/stoklink.com\/products\/siemens-1fk7100-2af71-1qb0-1fk7-ct-servo-motor","provider":"Stoklink","version":"1.0","type":"link"}