{"product_id":"siemens-1fk7040-2ak71-1qa0","title":"Siemens 1FK7040-2AK71-1QA0 SIMOTICS S 1FK7-CT 1.6 Nm 6000 rpm Servo Motor","description":"\u003cp\u003eSiemens 1FK7040-2AK71-1QA0 SIMOTICS S 1FK7-CT servo motor delivers 1.6 Nm standstill torque and 0.69 kW rated power at 6000 rpm on a 600 V DC link. It is an 8-pole design with 1.9 A rated current, IP64 protection, a 20-bit single-turn absolute encoder (AS20DQI) with a DRIVE-CLiQ interface, and no holding brake.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1FK7040-2AK71-1QA0\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\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\u003e1.9 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\u003e1.600 kgcm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e88.0 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTorque Constant\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.68 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\u003e43.4 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\u003e2.87 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\u003e16.5 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\u003e5.70 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\u003e3.00 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\u003e25 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\u003e18,700 Nm\/rad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight of the Motor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.2 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\u003e48 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\u003e0.040 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\u003e0.08 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\u003e0.08 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\u003eColor of the Housing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard (Anthracite RAL 7016)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEncoder Single-Turn\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptimum Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6,000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eSelection Notes\u003c\/h2\u003e\u003cp\u003eThis is the non-brake version of the 1FK7040-CT frame: it steps up from the 1FK7034 frame to shaft height 48 mm and an 8-pole design, giving a shaft torsional stiffness of 18,700 Nm\/rad - well above the smaller 36 mm-frame motors in this range - while holding the same 1.6 Nm standstill torque at a higher 0.69 kW rated power. Without the brake, rotor inertia is 1.600 kgcm², lower than the brake version in the same frame; pick it where an external holding mechanism exists or the axis is horizontal.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003e1.6 Nm at 6000 rpm without a brake, with the higher torsional stiffness of the 48 mm frame, suits high-speed horizontal axes with demanding dynamic stiffness requirements, such as rotary indexing tables and fast pick-and-place mechanisms.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53960319402267,"sku":"1FK7040-2AK71-1QA0","price":1243.83,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-1fk7040-2ak71-1qa0-1fk7-ct-servo-motor.png?v=1789662281","url":"https:\/\/stoklink.com\/products\/siemens-1fk7040-2ak71-1qa0","provider":"Stoklink","version":"1.0","type":"link"}