Design News, May 2013

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Fluid Power/Motion Control IN THE MARKETPLACE Reliability in a Clutch ...a clutch, brake or power transmission part for that matter. Since 1903 Carlyle Johnson has solved some of history's toughest motion control challenges – it's what we love to do. Our precision electrical, mechanical, air and hydraulic power transmission products consistently prove reliable and dependable in every application. Underwater, on the ground and in the air, CJM is everywhere. IP65 INDUSTRIAL GRADE SERVO MOTORS These servo motors are for use in harsh industrial applications. The PITTMAN AB Series brushless servo motors are offered in three different NEMA frame sizes and various stack lengths to accommodate a wide range of industrial applications. The product line is designed to exhibit a medium to high torque constant (KT) to accommodate DC bus voltage ranges from 325VDC down to 170VDC. lb-in) and peak torque from 1.28 Nm (11.3 lb-in) to 38.3 Nm (339 lb-in). Rated speeds range from 2800 rpm to 5200 rpm. PITTMAN also offers a wide range of standard brush and brushless DC motors, which are available in a variety of frame sizes, torque, and power ratings. Frame sizes range from 0.375-inch (9.5mm) for miniature high-speed brushless DC motors up to 5.25-inch (133mm) for high-torque brushless DC motors with integrated controllers. Output torque ranges from 0.3 oz-inch (0.002 Nm) to 1824 oz-inch (12.88 Nm) without a gear box. Both planetary and spur gearboxes are available for most brushless DC motors, greatly increasing the available torque output. Gear ratios up to 4732.5:1 are possible. A wide variety of encoder types also are available. Pittman AUTOMATIONDIRECT ADDS PRECISION SERVO GEARBOXES These high-precision servo gear reducers are a choice for applications requiring accuracy and reliability. Standard and Custom Clutch, Brake & Power Transmission Solutions 291 Boston Turnpike % Bolton, CT 06043 Phone: 860-643-1531 [w ww. d e s i g n n e w s . c om] magenta cyan yellow black The motors' heavy-duty construction features include an IP65 rated design, a heavy-duty 0.5-in output shaft, front shaft seals, and military-style multi-pin connectors. The motors also feature internal Hall-effect devices spaced at 120 electrical degrees as well as two thermostats for overload protection. Accessories include various optical encoders, external holding brakes, precision gearheads, and mating power and sensor cables. Offered in a concentric shaft design with a maximum five arc-min backlash rating, the SureGear PGA series is an accurate, highperformance, and cost-effective solution The AB Series motors are available in NEMA 23, 34, and 56 mounting configurations. Depending on the frame size and stack length, the AB Series can provide continuous stall torque output from 0.42Nm (3.75 inch-lb) to 12.88 Nm (114 M AY 2013 F LUID P O WE R / MO TIO N CO NT R O L / A S UP P LE ME NT TO DE S IGN NEWS F13 ES244693_DN1305_F13_FP.pgs 05.02.2013 07:24 UBM

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