Servo2Go.com
Greenville, DE 19807
Sep 09, 2009 Operating via 24 Vdc signals from PLCs or relays, compact SCN5 series actuators are integrated mechatronic cylinders that feature motor, encoder, drive, and actuator in 1 integral package. They are available in stroke lengths to 300 mm and are constructed using extruded aluminum body with 303 stainless for shaft and rod tip. Programmable via PC interface or hand-held pendant, actuators can be connected in networks of up to 16 axes.

SMAC Inc.
Carlsbad, CA 92008
Aug 25, 2009 Measuring 140 x 77.25 x 35 mm with stroke length of 30 mm or 180 x 77.25 x 35 mm with 50 mm stroke length, LAR31 Series features vacuum built in shaft through rotary motor, which assures that external objects are ejected through other end, preventing dust build-up in unit. Standard encoder resolution is 5 µm, with options of 1, 0.5, and 0.1 µm. Backlash-free unit can be programmed to control force/torque, position, and velocity in all axes simultaneously.

Emerson Process Management
Pleasanton, CA 94566
Jun 08, 2009 Offering nested spring design, Fisher® 2052 can be installed on rotary-shaft valve bodies for throttling or on-off applications. Actuator linkage features clamped shaft lever and single pivot point to reduce lost motion between actuator and valve. Available in 3 sizes accommodating shaft sizes from 12.7-38.1 mm, actuator features powder paint coating that offers corrosion-resistant finish on all external steel and cast iron parts.

Harmonic Drive, LLC
Peabody, MA 01960
Jun 02, 2009 Offered in hollow shaft designs, FHA series miniature AC servo rotary actuators exhibit zero backlash and are optimized for accuracy, response time, and vacuum compatibility. Super-mini, high-powered RH series DC servo rotary actuators provide precision motion control and high torque capacity. Tach-generator and/or encoder are directly mounted onto motor shaft. Also available, LA Series compact linear actuators feature max thrust of 49 N and 0.0174 µm resolution.

Exlar Corp.
Chanhassen, MN 55317
Apr 14, 2009 Tritex(TM) II Series, offering 1,500 W, AC-powered operation and digital position control, combine brushless servomotor with rotary or linear (output) actuation in one sealed housing. Operating from 100-240 Vac, actuators provide multiple I/O and feedback choices as well as software features such as 16 programmable indexes, linked moves, and firmware flash upgrades. Modbus port, via RS/485 protocol, allows complete control, programming, and monitoring of actuator.

Harmonic Drive, LLC
Peabody, MA 01960
Feb 20, 2009 Available with basic dimensions ranging from 128-230 mm dia x 78-127 mm long, FHA-C series has shape and hollow-shaft construction that aid in downsizing of machinery and equipment. Products are optimized rigidity and accuracy, and series of multifunctional control units are available. Max torque ranges include 21-67, 22-72, 27-86, and 31-102 lb-in., depending on model and gear ratio, which are available as 50, 100, and 160.

Tol-O-Matic, Inc.
Hamel, MN 55340 9499
Feb 19, 2009 Designed to withstand axial loads up to 23 lb, pneumatically operated VRX Series is available in bore sizes of 1, 1.75, and 2.5 in., each with single or double vanes on single- or double-ended shaft. Single-vane models rotate to 280° and produce up to 242 lb-in. of torque, while double-vane models rotate to 100° and produce up to 484 lb-in. of torque. Constructed with corrosion-resistant bodies and anodized heads, actuators feature self-lubricating highly saturated nitrile seals.

Oriental Motor U.S.A. Corp.
Torrance, CA 90502
Jul 09, 2008 Along with 7.87 in. frame size and internal hollow diameter of 3.94 in., RoHS-compliant DG 200 features repetitive position accuracy of 15 arc-sec and total backlash of 2 arc-min due to integrated and rigid cross-roller bearing structure. Hollow through hole helps minimize piping/wiring complexity, while equipment tables and arms can be installed on output table. Actuator develops 440 lb-in. torque at speeds up to 110 rpm and uses AlphaStep stepping motor and controller.

Omega Engineering, Inc.
Stamford, CT 06907
Jul 02, 2008 Including DRF-075M, DRF-094M, DRF-106M, DRF-131M, flange mountable DRF DIRECTCONNECT(TM) Series has one piece lightweight aircraft quality aluminum body; body and end plates are black anodized while steel parts are black oxide. Piston consists of Delrin® lightweight, low-friction, and wear-resistant thermoplastic and is supported with upper and lower sealed ball bearings rated at 5 million cycles. Actuators are suited for packaging, electrical assembly, and automotive industries.

Schunk
Morrisville, NC 27560
Apr 03, 2008 Offered in sizes 8-14, pneumatic SRU rotary actuators are equipped with pneumatic drive based on rack/pinion principle and with double compressed air actuation. Depending on size, they supply torque from 0.103-0.848 lbf-ft. Basic module includes 45° end position adjustability feature and for deceleration, elastomer dampers or hydraulic shock absorbers may be used. Available options are 2x/4x media feed-through and center position.

Siemens Building Technologies, Inc.
Buffalo Grove, IL 60089
Jan 23, 2008 OpenAir(TM) GQD Series is designed as a direct-coupled, spring-return electronic actuator for modulating, 2-position, or floating control of building HVAC dampers. Units feature fail-safe, bi-directional spring return, are pre-cabled, plenum-rated, and offer run time less than 30 sec. Measuring 4.7 x 2.7 x 2.5 in., they function with running/spring return 20 lb-in. torque, are UL/cUL Listed, CE Certified, and offer low power consumption, 4 VA typical.

Misumi USA
Schaumburg, IL 60173
Sep 05, 2007 With ball screw diameter of 12-20 mm and lead of 4-20 mm, Misumi actuators are built on extruded 6063-T6 aluminum base with black anodized finish and 1,045 steel side supports. Ball-screw driven devices feature linear slide for medium/heavy loads, grooved base for sensor mounting, positioning repeatability as low as ±0.03 mm, and maximum velocities of 1055 mm/sec. Units provide precision linear motion in various general industrial assembly applications.

IAI America, Inc.
Torrance, CA 90505
May 29, 2007 Offering alternative to air cylinders, 24 V Series RCP2 ROBO Cylinders are servo-controlled, pulse motor type actuators that convert revolutions of electrical motor to linear motion force. AQ seals supply lubricating oil during operation to ensure maintenance-free period of up to 3,100 miles, while servo standby modes and automatic servo off modes provide energy savings. Actuators use same mounting brackets as traditional air cylinders, facilitating conversion.

Bonomi USA, Inc.
Rock Hill, SC 29732
May 03, 2007 Compact Electric Rotary Actuator features dual voltage motors, 2 auxiliary limit switches, heater and thermostat, dual ISO drilled pads, declutchable manual override, and torque limiter. Lightweight, corrosion-resistant unit is IP 66- and 68-rated, and can be mounted in any position. Optional combination 4-20 mA and 0-10 Vdc positioners are available.

WITTENSTEIN motion control
Bartlett, IL 60103
Apr 30, 2007 Combining high precision gearhead, high-pole motor, and feedback integrated in single package, Model TPM+ provides 40-1,600 Nm maximum output torque and 325-431 rpm maximum output speed. Magnets are closer to load which improves stiffness and results in high dynamics. Featuring small size, mass, and volume, unit eliminates extra components such as additional rotating parts, which decrease amount of inertia of actuator.

Physik Instrumente (PI)
Auburn, MA 01501
Apr 17, 2007 Offering travels to 2 in., speeds to 50 mm/sec, and load capacities to 400 N, M-238 series includes models with rotary encoder or non-contact optical linear encoder (M-238.5PL). Self-contained packages, which consist of dc servo motor connected to ball screw, incorporate non-rotating tip for optimal stability and motion linearity. Additional features include non-rotating drive shafts, non-contacting limit switches, and homing sensors.

Parker Hannifin Corp., Pneumatic Div.
Richland, MI 49083 0901
Mar 16, 2007 Offering standard rotations of 90°, 180°, or 270°, PRNA Series incorporates rounded vane design and internal bumpers that lend to quiet operation. Vane seal is custom-molded to machined shaft and vane construct to create one-piece shaft/vane/seal assembly. Options include single and double vane models, keyway timing for reference points, rear porting, and various switches and sensors. Series can be used with lube/non-lubed filtered air at pressures from 30-150 psi.

Heason Technologies
West Sussex   United Kingdom
Feb 27, 2007 Motorized precision rotary actuators are based on backlash-free TwinSpin® gearbox with trochoidal gear reduction system and integral axial/radial output bearings. Along with reduction ratios from 30:1 to over 140:1, products are offered with thin-ring brushless torque motors, flat pancake brushed motors, or brushless servomotors to suit various applications. Nominal output torques are rated from 50-500 Nm.

Exlar Corp.
Chanhassen, MN 55317
Dec 07, 2006 Combining brushless servo motor, servo amplifier, and position controller in single housing, Tritex(TM) Series Actuators eliminate external servo amplifier and associated cables. Linear units offer strokes from 3-18 in. with 1,250 lbf max continuous thrust capacity and 25 ips max linear velocity. Available in standard IEC metric dimensions, rotary actuators provide up to 42 lbf-in. continuous torque and 84 lbf-in. peak torque. Integrated planetary gear option provides 4:1-100:1 ratios.

I-TECH International Corp.
Pompton Plains, NJ 07444
Oct 18, 2006 Delivering clamping force required for rotary and fixed workholding devices, CMT Electronic Actuation System uses motor and ball screw arrangement that transfers rotary movement into axial movement. Used on lathes and other machinery, system can change clamping force instantaneously as part of CNC program. It clamps with maximum force required to hold work piece and not deform work while maximizing spindle rotational speed.