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Actuators

Linear actuators get a servo look
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New actuators borrow ideas from linear motors to provide controlled displacement on a budget.

Rotary Vane Actuators Handle the Loads While Delivering the Torque

Pneumatic VRX rotary vane actuators from Tolomatic Inc. generate up to 484 lb-in. (54.7 N-m) of torque at 100 psi and withstand axial loads as high as 23 lb (102 N).

Linear slide demonstration
Specifying linear slides

Brian Pinkham from NB Corp. of America gives Lee Teschler from MACHINE DESIGN pointers on selecting linear slides. 5:48

Scanning for Ideas: Electromechanical Actuators With Rigidity

After extensive research into advancing the performance and rigidity of electromechanical drives, Festo, with U.S. headquarters in Hauppauge, N.Y.

Scanning for Ideas: Cantilevered Axis Takes Linear Motion Vertical

The cantilevered axis available on the DLS3C Driven Linear System from Bishop-Wisecarver Corp., Pittsburg, Calif., is particularly useful for Z-axis motion

Stepmotor
Selecting the Best Stepmotors

Interestingly enough, many stepmotor failures can be traced back to the selection process.

Basics of Configuring Drives

The key to many motion applications is in sizing the drive components lying between the motor and load

Scanning for Ideas: Built-in Motor Makes Conveyor More Compact

Engineers at QC Industries, Batavia, Ohio, tucked an IP54-rated 24-V motor inside one of the end rollers on the company’s InnerDrive Belt Conveyor

Torque, Speed, and Yogurt Cups
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Two servomotors will drive a single shaft in what’s billed as the world’s largest trim-in-place thermoforming machine

Two Drives Yield Precise, Dual-Speed Motion

Highly precise linear positioning systems, such as those used to focus and scan in measuring and inspection equipment often need two different motion modes

Motion Products: Linear Actuator Mounts Easily

The PL Series of linear actuators feature a machined profile that allows flush-mounting the devices for ease of installation.

Bosch Rexroth
Motion Products: Electromechanical Cylinders

New Electromechanical Cylinders (EMC) combine flexibility and control and high thrust and speed with for applications that traditionally use hydraulic or pneumatic cylinders.

Motion Products: Brush-dc Motors Deliver Speed-to-Torque

Athlonix high-power-density brush-dc motors feature an energyefficient coreless design with self-supporting coil and magnetic circuit.

Motion Products: Low-Speed, High-Torque Motors

The WS Series of low-speed, hightorque hydraulic motors have  torque to 824 N m (7,295 lb-in.), continuous flow rates up to 76 lpm (20 gpm) continuous, and continuous pressures up to 207 bar (3,000 psi).

Scanning for Ideas: Linear Actuator for Tight Spaces

DRL Series of linear actuators from Oriental Motors Corp. is said to offer accuracy in a small package.

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