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New Rotary Actuator by Pangolin Delivers Increased Speed, Rotation, Response at one-third the Cost

Created for Laser Scanning and Lighting Equipment, the VRAD Has Many Industrial Applications; developer William R. Benner Jr. Touts the Torque Motor’s “Linear Angle versus Current Profile"

 
 
VRAD 1510
VRAD 1510
PRLog - Jul. 10, 2012 - ORLANDO, -- Long dissatisfied with the speed and control limitations of rotary actuators used in laser scanning and other optical and lighting applications, Pangolin Laser Systems, the world’s leading producer of laser show software and control hardware, announced the introduction of a low-power rotary actuator based on an innovative, dual-coil, segmented stator design.

The new VRAD-1510 significantly increases the speed, range of rotation, response, and precision of motor shaft movement while reducing the actuator’s cost by at least one-third compared to existing devices.  According to Pangolin CTO and co-founder William Benner, the VRAD-1510, while conceived for use in high-speed laser scanning and lighting gear, is sufficiently versatile and low-cost that it can be used across a wide range of electro-mechanical applications, including mechanical and automotive systems, industrial and commercial machinery, robotics, vending, HVAC, valve control, and other uses.  Rotary actuators are also commonly referred to as rotary solenoids and torque motors.

“We developed a novel and inexpensive way of producing a segmented stator without air gaps, which interfere with a motor’s magnetic field,” said Benner.  “Additionally, our design employs two, separately-accessible coils and several other innovations and quality features, resulting in a compact, very quiet, very durable, low-power actuator.  Its linear angle versus current profile is a major advancement.”

According to Benner, the VRAD-1510 (pronounced VEE-rad) employs a magnetic spring and pre-loaded precision ball bearings for extreme durability.  The new design also precludes the need for mechanical stops on shaft rotation, all but eliminating noise, wear, and vibration, while enabling a wider range of potential applications.  The range of shaft rotation is greater than +/- 60 degrees from the neutral position.  

The actuator’s coils may be driven in series, in parallel, or separately, stated Benner.  “This opens up many options in how the device can be employed,” he said, “For example, instead of using two coils to produce torque, one can be used for velocity sensing or dynamic breaking.”  In another design innovation, Benner said, Pangolin equips the actuator with front and rear shafts, allowing multiple points of attachment or the use of an encoder or position sensor for closed loop operation.

He said the key innovation is Pangolin’s patent-pending stator design, which uses a series of asymmetrical, interleaved laminations that are inexpensive to make, easy to assemble, and which fit together in a way that prevents the introduction of air gaps to the motor’s magnetic field.  “VRAD is a game-changer,” said Benner.  “By rethinking the stator design, we’ve developed a more versatile, compact, and durable rotary solenoid that we are manufacturing at much lower cost than competing products.”  

According to Pangolin, the VRAD-1510 is configurable to customer specifications of all key parameters, including torque factor, magnetic spring stiffness, coil resistance and inductance, shaft diameter and length, bearing pre-load, and temperature operating range   The VRAD-1510 has a rectangular-shaped stator with exterior dimensions of 1.5”w x 1.0”h x 1.5”D.  

The VRAD-1510 is priced at $99.00; quantity pricing is available from Pangolin.  A datasheet is available from at http://www.pangolin.com/VRAD

About Pangolin Laser Systems and Co-Founder William Benner

With over 10,000 clients in 63 countries, Pangolin is the world’s leading developer and producer software and related control hardware for laser display applications in entertainment, business, and industry.  The company, founded in 1986, has received more than 20 awards for technical achievement.   Pangolin is based in Orlando and has offices in Slovenia and China.

William Benner, Pangolin’s president, co-founder, and chief technology officer, is a best-selling author on the subject of bringing new products to market and has represented the United States in the International Skill Olympics, placing sixth in the world in electronics.   He holds several patents in the field of laser technology and electronics.  

More information on the VRAD-1510 is available at http://www.pangolin.com/VRAD.  
More information on Pangolin is available at http://www.pangolin.com

Photo:
http://www.prlog.org/11895613/1

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Contact Email:
***@pangolin.com Email Verified
Source:Justin Perry - Pangolin Laser Systems Inc.
Phone:(407)-299-2088
Zip:32837
City/Town:Orlando - Florida - United States
Industry:Technology, Semiconductors
Tags:laser, optics, actuators, GM20, laser scanning
Shortcut:prlog.org/11895613
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