Page 126 - Demo

V012024 • © 2024 Portescap. Specifications subject to change without notice.Dimensions in inches [mm]Brush DC MotorsMotor shaft rotates CW when seen from motor front face when +ve and -ve supply is given to respective terminals.Electrical Data Symbol 28DT12 •••• .1 Unit 222P 219P 222E 219E1 Nominal Voltage V 12 15 24 28 Volt2 No-Load Speed n0 6,840 7,100 6,851 6,870 rpm3 No-Load Current I0 210.0 180.0 110.0 90.0 mA4 Terminal Resistance R 1.9 2.9 6.2 9.9 Ω5 Output Power P2max. 24.0 24.0 27.0 24.0 W6 Stall Torque mNm 102 (14.45) 101 (14.31) 126 (17.85) 107 (15.16) mNm (oz-in)7 Efficiency hmax. 67 66 69 68 %8 Max Continuous Speed ne max. 9,000 9,000 9,000 9,000 rpm9 Max Continuous Torque Me max. 37 (5.1) 36 (5.1) 41 (5.81) 37 (5.24) mNm (oz-in)10 Max Continuous Current Ie max. 2.50 2.00 1.40 1.10 A11 Back-EMF Constant kE 1.70 2.04 3.40 3.95 mV/rpm12 Torque Constant kM 16.20 19.50 32.50 37.70 mNm/A13 Motor Regulation R/k2 7.0 8.0 6.0 7.00 103/Nms14 Friction Torque TF 3.4 (0.49) 3.4 (0.49) 3.4 (0.49) 3.4 (0.49) mNm (oz-in)15 Rotor Inductance L 0.20 0.30 0.75 1.10 mH16 Mechanical Time Constant τm 14.0 14.4 12.0 12.6 ms17 Rotor Inertia J 20.00 18.00 20.00 18.00 g-cm2General Data18 Thermal Resistance (rotor/body) Rth1/Rth2 3.5/8 °C/W19 Thermal Time Constant (rotor/stator) tW1/tW2 18/630 S20 Operating Temperature Range: motor -30°C to 85°C (-22°F to 185°F) °C (°F)rotor 100°C (212°F) °C (°F)21 Shaft Load Max.: With sleeve bearings(5 mm from bearing) -radial 8.0 (28.8) N (oz)-axial 500 (1798.5) N (oz)22 Shaft Play: -radial <0.025 (0.001) mm (inch)-axial 0.15 (0.0059) mm (inch)23 Weight g 200 (7.06) g (oz)24 Commutation Segment - 13 segment28DT12 Ø 28 mm • Graphite-Copper commutation • 41 mNmExecution TableGearbox Single Shaft Double Shaft for E9 HEDSR32 4 106 103R40 1 98 Upon Request9.4M3x3.8 max.74.6 12.5(10.5) 26x60°61.7Ø28Ø20 0-0.1Ø27.75Ø25.95Ø4-0.006-Ø0.009 14 0-0.027n (rpm)M (mNm)900067504500225000 41 82 123 164 No Load Speed vs. TorqueMax. Recommended SpeedMax. Continuous Output Power 24WContinuous working rangeTemporary working range126