Product Announcement from Tolomatic

ERD actuator -- electric alternative to pneumatic-Image

Tolomatic's new ERD electric rod-style actuators are designed as an economical electric alternative to non-repairable pneumatic cylinders and provide design engineers with a new option for automating manual processes. Sleek and compact, ERD electric rod-style actuators deliver forces up to 75 pounds (334 N) at speeds up to 40 inches per second (1,016 mm/sec). ERD actuators are stroke configurable and ship within five days from order entry at the factory. The products are suitable for a wide variety of applications, including product change-overs, pick-and-place, sorting and diverting, heat-staking and more.

"With the growing trend towards use of electric actuators, the new patent pending ERD electric rod-style actuator provides an alternative to pneumatic cylinders with the added benefit of greater control of speed, acceleration and force," says Aaron Dietrich, electric products manager, Tolomatic. In addition, the ERD is a very affordable option for automating manual processes and is particularly exciting for us in that the line opens up the entry level segment of the market where we have not had catalog products available in the past."

The ERD electric rod-style actuator is available in body sizes that are equivalent to 5/8", 1" and 1.5" bore non-repairable pneumatic cylinders. These three sizes are available in stroke lengths up to 8, 10 and 12 inches, respectively, and forces up to 20, 40 and 75 pounds. The three sizes, from small to large, accept NEMA 11, 17 or 23 frame stepper and servo motors. The acme lead screw is made of high-performance steel and is available in three lead sizes per size to optimize speed or force.

"The ERD actuator comes standard with a metric-threaded rod end that makes it compatible with a wide variety of commercially available accessories," says Dietrich. "This makes the conversion from pneumatic to electric even more convenient."

ERD products are round bodied, following the footprint of most pneumatic actuators in this performance class. The rear head of the actuator features an oversized main bearing to accommodate high thrust loads and provide long life. The main tube and thrust tube are made of stainless steel for high rigidity and corrosion resistance, while the metric-threaded nose mount accepts a jam nut that provides convenient mounting for many applications. Mounting options include a rear trunnion mount, foot mounts or a front flange mount.

The ERD actuators can accommodate six different sensing or switching choices: reed, solid state PNP (sourcing) or solid state NPN (sinking), normally open, flying leads or quick-disconnect. The switches are activated by a standard internal magnet located inside the thrust tube. Commonly used for end-of-stroke positioning, these switches allow clamp-on installation anywhere along the actuator tube. All switches are CE rated and are RoHS compliant for environmental compatibility.

For more than 50 years, Tolomatic has been a leading supplier of electric linear actuators, pneumatic actuators and power transmission products for factory automation. Its extensive product line also includes servo-driven high-thrust actuators, servomotors and stepper motors, stepper drives and configured linear-motion systems.

Tolomatic's electric linear and pneumatic actuators are used in a variety of industries, including the packaging, material handling, medical, food processing, automotive, semiconductor and general automation industries. For more information about the new ERD electric rod-style actuator, download the ERD brochure or contact Tolomatic, 3800 County Road 116, Hamel, MN 55340. Phone: 763-478-8000 or 800-328-2174.

 
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