Deltran Clutches & Brakes Catalog 2009 - Thomson - #49

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www.thomsonlinear.com 47 CLUTCHES Clutches & Brakes High torque in small package Anti-rotation slot for simple pin mounting Actuating solenoid is AC or DC operated Single or multi-stop collars control rotation Maintenance-free, self-lubricating hubs are 18% oil by volume Hub mounting holes for simple pulley or sprocket mounting Sintered metal hub offers easy machining for custom drive attachments SAC Series Wrap Spring Clutches PERFORMANCE SAC-2 SAC-4 SAC-5 SAC-6 Static torque 25 lb-in (2.825 Nm) 120 lb-in (13.56 Nm) 250 lb-in (28.25 Nm) 500 lb-in (56.5 Nm) Shaft bores (standard) 0.250 (6.35 mm) 0.375 (9.525 mm) 0.500 (12.70 mm) 0.750 or 1.00 (19.05 mm or 25.40 mm) RPM (maximum) 1,800 RPM 1,200 RPM 750 RPM 500 RPM Inertia, rotating parts 0.0207 lb-in2 0.0636 lb-in2 0.1950 lb-in2 1.718 lb-in2 Maximum radial bearing load at maximum speed 7.5 lbs 14.0 lbs 32.0 lbs 63.0 lbs Response time, voltage on at full speed 20 MS 24 MS 27 MS 45 MS Weight 1 lb. 2 lbs. 3 lbs. 7 lbs. See page 84 for Minimum Inertia Requirements. See pages 91 & 92 for Mounting Requirements. RPM vs. SHAFT BORE Size Max. RPM Shaft Bores Standard in (mm) Shaft Bores Metric in (mm) SAC-2 1,800 1/4” (6.35) 0.2362-0.2374 (6.0) SAC-4 1,200 3/8” (9.525) 0.3937-0.3951 (10.0) SAC-5 750 1/2” (12.70) 0.4724-0.4741 (12.0) SAC-6 500 3/4” or 1” (19.05 or 25.40) 0.7874-0.7894 (20) or 0.9842-0.9862 (25) THE GENUINE WRAP SPRING™