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Supplier: Harold Beck and Sons, Inc.
Description: Group 14 linear valve actuators combine the benefits of precise, responsive modulation and tight shutoff for exceptional performance in globe valve applications. Group 14 drives are ideal for steam flow control, combustion control, and any other application which requires more precise
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Gear Drive
- Features: Adjustable Stroke, Integral Sensor, Self-locking
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Supplier: Harold Beck and Sons, Inc.
Description: Group 14 linear valve actuators combine the benefits of precise, responsive modulation and tight shutoff for exceptional performance in globe valve applications. Group 14 drives are ideal for steam flow control, combustion control, and any other application which requires more precise
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Gear Drive
- Features: Adjustable Stroke, Integral Sensor, Self-locking
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Supplier: ValueTronics International, Inc.
Description: , RTDs and thermistors, AC/DC volts and current; resistance; frequency and period 50k readings of non-volatile memory holds data when power is removed Hi/LO alarm limits on each channel, plus 4 TTL alarm outputs Free BenchLink data logger software to create tests without
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Supplier: ABB Measurement & Analytics
Description: General specifications: With integrated electronic unit or for use with separate electronic unit Electrical actuator for continuous positioning or step control Stallproof without the need of position or torque dependent switch-off Three-phase asynchronous
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Gear Drive
- Features: Adjustable Stroke, Integral Sensor, Multi-position
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Supplier: Venture Mfg. Co.
Description: Venture’s SJ actuators combine an Acme screw with an AC or DC motor gearbox providing a quiet, light weight, rugged and reliable linear actuator. Available with a large variety of mounting options it is suitable for almost any application, it is commonly used in Floor
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Lead Screw/ACME Screw, Gear Drive
- Features: Adjustable Stroke, Thermal Overload Protection
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Supplier: Exlar
Description: GSX Series linear actuators combine the advantages of Exlar's roller screw technology and T-LAM stator technology to create a powerful and robust linear solution. Exlar uses a specially designed roller screw mechanism for converting electric motor power into linear motion
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Other
- Features: Adjustable Stroke, Protective Boot, Closed Loop Control, Holding Brake, Multi-position, Non-rotating, Water Resistant (Sealed)
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Supplier: Exlar
Description: The GSM Series of linear actuators from Exlar povides a cost effective solution, perfect for replacing ball screw actuators. This compact design incorporates Exlar's patented roller screw technology with an integral brushless servo motor for medium to high performance motion
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Other
- Features: Adjustable Stroke, Protective Boot, Closed Loop Control, Holding Brake, Multi-position, Non-rotating, Water Resistant (Sealed)
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Supplier: KADANT
Description: A proven technique that greatly improves doctoring performance and increases blade life. Features/Benefits Prevents particle buildup under the doctor blade Reduces roll scoring Extends blade life Enhances sheet shedding capability Increased roll life Oscillation Improves Doctoring Performance and
- Actuation Type: Electrical
- Device Type: Rodless
- Drive Specifications: Gear Drive
- Motor Specifications: AC
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Supplier: Exlar
Description: The EL Series linear actuators offer users all of the advantages of Exlar’s patented inverted roller screw actuator designs in a class I, div 1, Groups B, C or D* explosion-proof package. These electro-mechanical systems provide process engineers a clean, fast, simple and cost
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Other
- Features: Adjustable Stroke, Closed Loop Control, Intrinsically Safe, Multi-position
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Supplier: Exlar
Description: controller, brushless motor and linear actuator in one elegant, compact, sealed package. Now you can distribute motion control and solve your application with one integrated device. Simply connect AC pwer, I/O, communications and go!
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Other
- Features: Adjustable Stroke, Protective Boot, Closed Loop Control, Holding Brake, Multi-position, Non-rotating
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Supplier: Joyce/Dayton Corp.
Description: Joyce linear actuators are designed to lift and precisely position loads up to 1500 pounds. They are built with cast aluminum housings, include motors (120VAC and 12 VDC), and are best suited for use in environments that are protected from the elements. A spring brake ensures
- Actuation Type: Electrical
- Device Type: Rod Type
- Material: Aluminum
- Motor Specifications: AC
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Supplier: Joyce/Dayton Corp.
Description: Joyce MA1527 and MA3507, multipurpose linear actuators are compact, versatile and designed to lift 3500N (787 pounds) dynamic load, and 4500N (1012 pounds) static load. Each 120 VAC actuator is equipped with a potentiometer and adjustable, preset limit switches, and
- Actuation Type: Electrical
- Device Type: Rod Type
- Material: Steel
- Motor Features: Home / Limit / Position Switches
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Supplier: TiMOTION Technology
Description: linear actuator has been certified for applications requiring IP66 dynamic compliance. General Features Spindle: ACME or Ball screw Voltage of motor: 12V DC, 24V DC, 36V DC, 110V AC, or 220V AC Maximum load: 4,500N in pull/push Maximum speed at full load
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Lead Screw/ACME Screw, Ball Screw, Handwheel/Crank
- Features: Brake / Clutch Combination, Integral Sensor, Magnetic Switch, Self-locking, Water Resistant (Sealed)
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Supplier: Joyce/Dayton Corp.
Description: Joyce integrated actuators lift and precisely position up to one ton. Requiring only electric power, Joyce integrated linear actuators may be used in place of hydraulic cylinders, eliminating the cost and potential for leaks associated with hydraulic systems. Translating tube
- Actuation Type: Electrical
- Device Type: Rod Type
- Material: Aluminum
- Motor Features: Integral Brake
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Supplier: Joyce/Dayton Corp.
Description: Joyce MA2547, MA3527, MA4514, and MA7007, multipurpose linear actuators are compact, versatile and designed to lift 7000N (1574 pounds) dynamic load, and 13,600N (3057 pounds) static load. Each 120 VAC actuator is equipped with a potentiometer and adjustable, preset limit
- Actuation Type: Electrical
- Device Type: Rod Type
- Material: Steel
- Motor Specifications: AC
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Supplier: Venture Mfg. Co.
Description: When it comes to procuring linear actuators for heavy duty applications, Venture is the right source that can provide you appropriate solutions at the best deals. With us, you will find 120V linear actuators that are intelligently designed and precision
- Actuation Type: Electrical
- Device Type: Rod Type
- Features: Adjustable Stroke
- Motor Features: Home / Limit / Position Switches
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Supplier: Venture Mfg. Co.
Description: This versatile actuator is available in Acme or Ballscrew and AC or DC versions. A clevis to clevis version of our 800 and 850 series actuator, it is utilized in many industrial applications including; Agricultural, Medical equipment, Lawn and Garden, ATV, Turf care, table lifts
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Lead Screw/ACME Screw, Ball Screw
- Features: Adjustable Stroke, Integrated Overload Slip Clutch / Torque Limiter, Thermal Overload Protection, Water Resistant (Sealed)
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Supplier: Harold Beck and Sons, Inc.
Description: A versatile, compact design, advanced electronics, and Beck reliability all highlight the new Group 42 linear actuator. Beck’s all-new Group 42 actuators are designed to meet the actuation needs of long stroke linear applications. Typical applications include
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Ball Screw, Gear Drive
- Features: Adjustable Stroke, Integral Sensor, Self-locking
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Supplier: Ewellix
Description: Benefits: Heavy-duty and reliable industrial actuator Fully integrated modular design Suitable for a wide range of applications Practically maintenance-free Features: Optional incremental feedback positioning
- Actuation Type: Electrical
- Motor Voltage: 12 to 400 volts
- Stroke or X-Axis Travel: 1.97 to 27.56 inch
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Supplier: Ewellix
Description: Benefits: Heavy-duty and reliable industrial actuator Easily integrated modular design Suitable for a wide range of applications Maintenance-free Features: Optional incremental feedback positioning Optional absolute
- Actuation Type: Electrical
- Motor Voltage: 12 to 230 volts
- Rated Speed: 2.36 in/sec
- Stroke or X-Axis Travel: 1.97 to 27.56 inch
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Supplier: Ewellix
Description: Benefits: Heavy-duty and reliable industrial actuator Easily integrated modular design Suitable for a wide range of applications Practically maintenance-free Features: Optional incremental feedback positioning Left
- Actuation Type: Electrical
- Motor Voltage: 24 to 230 volts
- Rated Speed: 2.36 in/sec
- Stroke or X-Axis Travel: 1.97 to 27.56 inch
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Supplier: Ewellix
Description: 60601-1 Compatible control units, operating devices and accessories available Spindle supplied as standard Safety factor of up to 4 times The Max-7 range includes powerful AC actuators with a 24 VDC motor. They run very quietly, take up little space and can
- Actuation Type: Electrical
- Motor Voltage: 120 to 230 volts
- Rated Speed: 0.5118 in/sec
- Stroke or X-Axis Travel: 1.97 to 27.56 inch
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Supplier: Venture Mfg. Co.
Description: Venture’s slide out actuators have been the industry standard for years. Our actuators combine a highly efficient long life ball screw with a DC motor gearbox providing a cost effective reliable solution for the RV Industry. Available in three gear ratios – 18:1, 28:1 and 58:1 and a
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Ball Screw, Gear Drive
- Features: Integrated Overload Slip Clutch / Torque Limiter
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Supplier: Kollmorgen Corporation
Description: Standard or custom lengths to 1 mm Motor or screw brakes Threaded, spherical or clevis rod ends Environmental protective boot Timing belt, helical gear and inline direct transmission Flange, clevis, side and trunnion cylinder mounting types Magnetic home and limit sensors Linear potentiometer
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Lead Screw/ACME Screw, Ball Screw
- Features: Protective Boot
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Supplier: Kollmorgen Corporation
Description: Options Standard or custom lengths to 1 mm Motor or screw brakes Threaded, spherical or clevis rod ends Environmental protective boot Timing belt, helical gear and inline direct transmission Flange, clevis, side and trunnion cylinder mounting types Magnetic home and limit sensors Linear
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Lead Screw/ACME Screw, Ball Screw
- Features: Protective Boot
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Supplier: Kollmorgen Corporation
Description: The EC1 Series offers a limited range of application solutions designed to reduce cost and minimize cylinder frame size by 30 to 40 percent compared to other Kollmorgen cylinders. Made for plug-and-play capability with a variety of Kollmorgen drives, this design is perfect for converting from
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Lead Screw/ACME Screw, Ball Screw
- Lead: 0.1250 inches per
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Supplier: Kollmorgen Corporation
Description: to 0.1 inch Threaded, eye, spherical or clevis rod ends Magnetic home and limit sensors Water resistant option Linear potentiometer output
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Lead Screw/ACME Screw, Ball Screw
- Features: Water Resistant (Sealed), Wipers / Scrapers
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Supplier: ProMation Engineering, Inc.
Description: circuit board featuring 4-20mA, 1-5VDC, 0-10VDC or 2-10 VDC input and feedback as well as AutoCalibration or manual end of travel set point and alphanumeric diagnostic indicators. Manual Override – All ProMation Engineering linear actuators come with a standard manual override that
- Actuation Type: Electrical
- Features: Self-locking
- Material: Aluminum
- Motor Features: Linear Position Feedback, Home / Limit / Position Switches
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Supplier: Yamaha Motor- Robot Division
Description: An electric actuator that is composed of an AC servomotor, a base, ball screw, belt, and linear guide. This electric actuator is a general purpose robot that can be used in a wide variety of applications, such as assembly and inspection. The electric actuator
- Actuation Type: Electrical
- Device Type: Rodless
- Drive Specifications: Belt Drive
- Features: Stackable
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Supplier: Yamaha Motor- Robot Division
Description: Large inertial moment capacity, easily handles offset loads. Ideal for Cartesian robots requiring arm strength, and for moving arms that shift the entire axis.
- Actuation Type: Electrical
- Device Type: Rodless
- Drive Specifications: Ball Screw
- Features: Stackable
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Supplier: Yamaha Motor- Robot Division
Description: A clean room applicable model of the less expensive compact single-axis robot FLIP-X series. Suction air joint is provided as standard accessory and low dust emission grease is used. As a stainless sheet with excellent durability is attached to the slide table surface, this achieves high cleanliness
- Actuation Type: Electrical
- Device Type: Rodless
- Drive Specifications: Ball Screw
- Features: Cleanroom Rated, Stackable
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Supplier: Yamaha Motor- Robot Division
Description: An electric actuator that is composed of an AC servomotor, a base, ball screw, belt, and linear guide. This electric actuator is a general purpose robot that can be used in a wide variety of applications, such as assembly and inspection. The electric actuator
- Actuation Type: Electrical
- Device Type: Rodless
- Drive Specifications: Ball Screw
- Features: Stackable
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Supplier: ABB Measurement & Analytics
Description: General specifications: Electrical actuator for continuous positioning or step control Stallproof without the need of position or torque dependent switch-off Three-phase asynchronous motor Sturdy gear unit with highly efficient design Internal
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Gear Drive
- Features: Adjustable Stroke, Integral Sensor, Multi-position
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Supplier: ABB Measurement & Analytics
Description: General specifications: Electrical actuator for continuous positioning or step control Stallproof without the need of position or torque dependent switch-off Three-phase asynchronous motor Sturdy gear unit with highly efficient design Internal
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Gear Drive
- Features: Adjustable Stroke, Integral Sensor, Multi-position
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Supplier: ABB Measurement & Analytics
Description: General specifications: Electrical actuator for continuous positioning or step control Stallproof without the need of position or torque dependent switch-off Three-phase asynchronous motor Sturdy gear unit with highly efficient design Internal
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Gear Drive
- Features: Adjustable Stroke, Integral Sensor, Multi-position
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Supplier: PI (Physik Instrumente) L.P.
Description: To 1" Travel 0.05 Microns Minimum Incremental Motion Non-Rotating Tip Velocity to 2 mm/sec. Closed-Loop DC Motors Optional Stepper Motors Integrated Origin & Limit Switches Front Mount or Clamp Mount >5,000 Hours MTB
- Actuation Type: Electrical
- Drive Specifications: Lead Screw/ACME Screw
- Material: Aluminum, Steel, Other
- Motor Continuous Power: 0.0027 HP
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Supplier: PI (Physik Instrumente) L.P.
Description: This ultra-compact precision actuator is related to the M-231 but uses a folded drive with the motor and lead screw side-by-side. Folded Drive, Very Compact 17 mm Travel Range 100 nanometers Resolution To 2.5 mm/sec Velocity Closed-Loop DC Servo
- Actuation Type: Electrical
- Drive Specifications: Lead Screw/ACME Screw
- Material: Aluminum, Other
- Motor Continuous Power: 0.0027 HP
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Supplier: PI (Physik Instrumente) L.P.
Description: High Precision at low Cost Travel to 1" Resolution to 0.05 microns 10 lb Pushing Force Non-Rotating Tip Speed to 1.5 mm/sec Integrated Limit & Reference Switches
- Actuation Type: Electrical
- Drive Specifications: Lead Screw/ACME Screw
- Material: Aluminum, Steel, Other
- Motor Specifications: AC, Stepper
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Supplier: PI (Physik Instrumente) L.P.
Description: Up to 2" Travel Range 100 Nanometers Minimum Incremental Motion High-Speed Direct Drive Option 120 N Push/Pull Force 100 N Lateral Load Limit Preloaded Ultra-Low-Friction Ball Screw with Non-Rotating Tip Closed-Loop DC Motors and
- Actuation Type: Electrical
- Drive Specifications: Ball Screw
- Material: Aluminum, Other
- Motor Continuous Power: 0.0054 to 0.0228 HP
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Supplier: Anaheim Automation, Inc.
Description: Has a bronze acme nut that travels linearly with each electrical step
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Other
- Motor Specifications: AC
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Supplier: Anaheim Automation, Inc.
Description: Has a bronze acme nut that travels linearly with each electrical step
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Other
- Motor Specifications: AC
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Supplier: ATLANTA Drive Systems, Inc.
Description: Our Linear Actuators offer clean, precise linear positioning by means of a ballscrew or trapezoidal spindle. Linear speeds up to 590 inches per minute (250 mm/sec) with axial load capacities up to 36,000 lb. can be reached For higher load capacities, two actuators
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Ball Screw
- Motor Features: Home / Limit / Position Switches
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Supplier: ATLANTA Drive Systems, Inc.
Description: High-Thrust Linear Actuators offer clean, precise linear positioning by means of a trapezoidal-thread spindles (for intermittent duty applications) and ballscrew spindles (for higher duty applications). Linear speeds up to 590 inches per minute and strokes up to 20 inches
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Ball Screw
- Features: Self-locking
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Supplier: Anaheim Automation, Inc.
Description: Eliminates need for rotary-to-linear conversions like belts
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Other
- Motor Specifications: AC
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Supplier: Raco International, LP
Description: The RACO LM Linear module is the building block for both single axis or multiple axis systems. The carriage travels on adjustable roller bearings surrounded by a shock absorbing elastomer tire, driven by a steel cord reinforced timing belt with zero backlash . The RACO LM drives are designed
- Actuation Type: Electrical
- Device Type: Rodless
- Drive Specifications: Belt Drive
- Motor Specifications: AC
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Supplier: RS Components, Ltd.
Description: capability . Long life, low-maintenance design . Dovetail profile accepts modular mount and switch options. Kit options enable use with selected RS motors Maximum Acceleration = 1.55m/s² Maximum Load = 600N Maximum Speed = 100mm/s Maximum Stroke Length = 300mm Actuation Type = Trapezoidal
- Actuation Type: Electrical
- Drive Specifications: Other
- Motor Specifications: AC, Other
- Rated Force: 135 lbs
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Supplier: RS Components, Ltd.
Description: A range of stepper or synchronous motors offering linear movement without rotation of the output shaft. Maximum Load = 45N Maximum Speed = 250mm/s Maximum Stroke Length = 10mm Input Voltage = 230V ac Motor Technology = Synchronous Motor
- Actuation Type: Electrical
- Motor Specifications: AC, Other
- Rated Force: 10.12 lbs
- Rated Speed: 9.84 in/sec
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Supplier: RS Components, Ltd.
Description: The OSP-E STR extending rod ballscrew actuator range provides an ideal solution for applications requiring intermittent operation with high action forces. For short stroke, linear, or pivoted move patterns. Maximum Load = 800N Maximum Speed = 75mm/s Maximum Stroke Length = 75mm
- Actuation Type: Electrical
- Drive Specifications: Other
- Motor Specifications: AC, Other
- Rated Force: 180 lbs
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Supplier: RS Components, Ltd.
Description: capability . Long life, low-maintenance design . Dovetail profile accepts modular mount and switch options. Kit options enable use with selected RS motors Maximum Acceleration = 1.55m/s² Maximum Load = 600N Maximum Speed = 100mm/s Maximum Stroke Length = 500mm Actuation Type = Trapezoidal
- Actuation Type: Electrical
- Drive Specifications: Other
- Motor Specifications: AC, Other
- Rated Force: 135 lbs
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can you help me i am trying to wire one of these relays up to change polarity of my 12vdc motor it is like a linear actuator i have a 12 vdc motor a screw shaft a nut and 2 moving table … (2) 120 volts ac out of timer to coil, i wire common wire from walwart to top left and 3rd one down on right, then wire 12v out of walwart to the 2 commons on 2 limit switches, i wire the 2 …
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Arduino Robotics
… system, 520–523 3.3v (volt) power, for Seg-bot, 459 6v 1000mAh NiCad battery pack, 276 8-pin IC sockets, Wally robot, 176 10k ohm resistors, 122 12v ( volt ) supply, for Seg-bot … … 227, 249 22AWG wire, 120 28DIP socket, 228 80mm … Absolute Maximum Ratings, datasheet, 16 Absorbed Glass Mat (AGM) batteries, 111 AC (Alternating Current), 10 AC motors, 83 accelerometers, 76–77, 459–461 gyroscopes versus, 463 Seg … … 311 ACS714 bidirectional +/- 30amp current sensor, 430 ACS-714 current sensor, 104 actuators , linear , 90–91 .
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Design of a low cost trainer for flow control
… design was chosen because it is less costly to build when compared to a fluid type of flow system, anldit could be operated in any laboratory environment with only compressed air (Hugo I and I1 only) and 120 volt ac power required. The I/P converter and linear actuator were chosen because 1) they are a low cost solution; 2) they are commonly found on industrial process systems; 3 ) they provide an opportunity to study set up techniques for mechanical drive linkages; and 4) they …
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Building Electro-Optical Systems: Making It all Work 2nd Edition Complete Document
… in oscillators and frequency synthesizers, by allowing them to operate in a highly linear regime while having … … or a front end whose output is pegged) are easily missed in a purely AC -coupled system. Ten volts of 120 Hz ripple can be brought down to the 100 μV level this way for about $5, which really helps the stability and noise of piezoelectric actuators and PMTs.
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The DARPA Grand Challenge: overview of the Virginia Tech vehicle and experience
Position feedback for the brake is provided by a linear potentiometer attached to the actuator . Autonomous steering actuation is accomplished using a Bodine 24 Volt permanent magnet right-angle gear motor (model … Cliff carries a Yamaha 2800 Watt, 120 Volt, AC gasoline-poweredgenerator.
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IEEE Standard for a Smart Transducer Interface for Sensors and Actuators - Mixed-Mode Communication Protocols and Transducer Electronic Data Sheet (TEDS) Forma...
… Sensor","PotentiometricVoltageDividerSensor","PulseSensor","VoltageActuator","CurrentActuator","PulseActuator" ENUMERATEExciteTypeEnum,"DC","BipolarDC"," AC (rms)" ENUMERATEGageTypeEnum,"Singleelement" … … "DeltaRosettegrid2(60°)","DeltaRosettegrid3( 120 °)","RectangularRosettegrid1(0° … … 90°)" ENUMERATEMapMethEnum," Linear ","Inversem/(x+b … … "28V","200V" ENUMERATEResp_TypeEnum," Actuator ","Corrected" ENUMERATESignEnum,"Positive" … … 0,0,0,2,1,-2,0,0,0,0,1,0)// Volt /Columbequalsm2*kg/(sec2 …
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Applying Precision Switches
Operating Characteristics of a Switch - The commonly specified force, torque, and linear or angular travel properties of … A double pole switch can control two independent circuits (such as a 120 volt AC heater and a 6 volt DC lamp) at the same time. … switch consists of a basic switch used alone, a basic switch used with actuator (s), or a …
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120 d33(pm/ Volt ) due to AC voltage of 4Vpk-pk at 10Hz; colorbar on the right measures of the height … It can be noticed that the piezoelectric constant roughly has a linear relation with the dc voltage. … external dc voltage, can be utilized for tuning the sensitivity of piezoelectric materials based sensors and actuators .
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AC contactor motion computed with coupled electromagnetic and structural finite elements
The structuralfiniteelementsincludea nonlinearspringforthe relay contactarms.Theelectromagneticfiniteelementsinclude2Dnon- linear elements for the steel laminations and aluminum shading ring, as … … capability has accurately pre- dicted the transient displacements and currents of a dc magnetic actuator [l], [2]. … coupled electromagnetic and structural analysis to com- pute the current and motion of an ac magnetic actuator. Fig. 1shows the Eaton “Freedom Series” NEMA style size 1575- volt 10-hp contactor to be analyzed. … desire to compute the magnetic fields, currents, and armature motion vs. time when 120 volts 60 Hz …
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