Archive Page 2

New motion control system options utilizing EtherCAT® technology

A New White Paper by Advanced Motion Controls

Servo-based motion control systems have traditionally been categorized into two types: centralized or distributed.  Centralized systems use dedicated motion control cards that account for all aspects of the system including servo commands, motor feedback and I/O to close all control loops while simultaneously running complex programs that plan motion profiles and maintain machine operations.  Increasing the number of axes involved places an ever increasing burden on the processing power of the DSP quickly making the system unmanageable simply due to scalability.

AMC's EtherCAT Servo Drive Family

AMC’s EtherCAT Servo Drive Family

In distributed systems, motion commands are less complicated since the drives close the velocity and/or position loops internally leaving the controller to focus on motion profiling, planning and associated I/O. However, limitations arise as communications speed may be the limiter of some specific motion and machine requirements.  Even though systems can be made to be deterministic, the ability to keep up with demand can also be a challenge, even for simple machine tools…

Click on the link below to view the entire White Paper.

http://www.mydigitalpublication.com/publication/?utm_source=MAN-eblast&i=228662&utm_campaign=141016G&utm_medium=email#{“issue_id”:228662,”page”:2}

For more information, please contact:

EDITORIAL CONTACT:

Warren Osak
sales@electromate.com
Toll Free Phone:   877-737-8698
Toll Free Fax:       877-737-8699
www.electromate.com

Live Webinar: DC Motor Types and Usage in Typical Applications

February 03, 2015  11:00am EST

This webinar gives you guidelines for selecting the perfect DC motor type for your application.  For example, which motor type is used in the climate control system of the Boeing Dreamliner, and for what reasons?

  • Is a brushed or a brushless design more adapted?
  • Does a flat pancake type motor fit better or should it be an elongated cylindrical one?
  • Are motors with a slotted iron core winding design the right choice, or should it be a motor with a slotless winding?

For motor selection, it is important to know the particular requirements of each application.

  • How large are torque and speed?  Are there any gears involved?
  • How is the motor operated and controlled?  What is the required precision of control?
  • What are the restrictions on size and weight?
  • How about special ambient conditions such as temperature and pressure?

Before answering these questions, the webinar starts with having a look at the properties of all kind of small DC motors with permanent magnets.

  • Which motor designs are adapted for high speed or high torque?
  • How to select motors according to torque and speed requirements
  • What are the particular advantages of brushed or brushless motors?
  • How does a slotted or slotless winding design influence motor performance?
  • What is the role of gears?

The webinar illustrates the findings on a multitude of typical application examples.
Presenter: Dr. Urs Kafader – Maxon Motor

Click on the link below to register for this Free Webinar-

https://attendee.gotowebinar.com/register/8941133262759890177

 

Tags:  Electromate, maxon, maxon motor, servo motor, slotted motor, slottless motor, DC motor, motor selection, iron core motor, coreless motor, BLDC motor, webinar, flat motor, pancake motor

The Rise of the Exoskeletons

Reprint of Machine Design Article by Jeff Kerns, January 8, 2015

Trends in sensors, power supplies, batteries, and other technologies are bringing even more potential to the field of developing exoskeletons.

Engineers relied heavily on motion-control technology to develop the first wearable exoskeleton at Cornell University, the Hardiman-1, in 1965. The arms, legs, and feet used electrohydraulic servos, while a hydromechanical servo controlled the hands. The hydraulics operated off of a 3,000-psi pump, letting the person in the suit lift up to 1,500 lb and walk at 1.7 mph. The suit itself, however, weighed almost 1500 pounds, making it too heavy and complex to warrant further funding.

Since then, sensors, materials, drives, and power supplies have undergone a host of incremental innovations. Companies developing exoskeletons no longer find it difficult to secure funding. Investors recognize that this technology has many potentially profitable applications. These include letting soldiers carry more weight for longer periods of time, aiding senior citizens and others who suffer musculoskeletal injuries, and giving longshoremen and warehouse workers a competitive advantage in the  shipping and trucking industries.

Click on the link below to download this article.

http://m.machinedesign.com/motion-control/rise-exoskeletons

 

 

 

PROGRAMMABLE ENCODERS 2.0

No Software, No App, No Installations

Posital Programmable Encoders

Posital Programmable Encoders

POSITAL is introducing powerful new programming capabilities and tools for their IXARC series of rotary encoders.  With these new capabilities, the encoders’ performance characteristics can be extensively modified through software changes, without requiring any changes to physical components. In a related development, POSITAL is introducing the UBIFAST configuration tool, a hardware module that can be easily connected to programmable encoders through accessory cables.  The UBIFAST tool features a built-in WiFi hotspot and webserver.  Once the tool has been powered up, any WiFi-enabled smartphone, tablet, or laptop computer can connect to the WiFi hotspot and the configuration interface will automatically open up in a standard web browser window – no app, no software installation, and no Internet connection are required.

How to Program a POSITAL Encoder with the UBIFAST Configuration Tool


 

 

 

 

 

 

 

Click on the link below to download the Posital product catalog.

http://www.electromate.com/pdf_lib/Posital%20Fraba/Posital_Catalog.pdf

For more information, please contact:

EDITORIAL CONTACT:

Warren Osak
sales@electromate.com
Toll Free Phone:   877-737-8698
Toll Free Fax:       877-737-8699
www.electromate.com

 

Tags:  Posital, Posital Fraba, Electromate, Encoder, Multi-Turn Encoder, Optical Encoder, Incremental Encoder, Absolute Encoder, Programmable Encoder, UBIFAST

Applimotion’s LARC Motors for Large Diameter Direct Drive projects

Applimotion routinely scales its LARC motors (Linear Arc) for large diameter applications greater than 1 meter diameter. The modular nature of these motors allows them to integrate with large assemblies for scanning, imaging, and metrology applications where size requirements take priority over high torque requirements.

Applimotion LARC Motor

Applimotion LARC Motor

LARC motors come in modular pieces and will bolt into any large diameter servo motor application. The motors operate from standard brushless motor amplifiers from 24 to 300 volts. They work nicely with encoders, resolvers, or the recently introduce magnetic encoders for direct drive applications.

The LARC motors also offer very low profile design to fit into tight spaces where traditional motors have limitations. Applimotion also offers hermetically sealed magnet tracks and coil assemblies for vacuum or special environments.

For more information, click on the link below-

http://www.electromate.com/pdf_lib/Applimotion/Applimotion_Linear_ARC_motors_Datasheet.pdf


EDITORIAL CONTACT:
Warren Osak
sales@electromate.com
Toll Free Phone:   877-737-8698
Toll Free Fax:       877-737-8699
www.electromate.com

Tags:  Applimotion, BLDC Motor, Brushless DC Motor, brushless dc motors, Brushless Motor, DC Motor, Direct Drive Motor, Electric Motor, Electromate, Frameless Motor, Motion Control, Servo Motor, Slotless Motor, LARC Motor, Linear Arc Motor

Linear Motor vs. Ball Screw

Reprint of a December 2, 2014 Design World White Paper by Danielle Collins

While ironless linear motors have been used in semiconductor and electronic applications for more than a decade, they are still viewed by many designers and OEMs as “niche” products.  But the perception of linear motors as a costly solution for unique applications is slowly changing, as more industries are adopting them as replacements for ball screws in packaging, assembly, and part loading applications.  And while the cost of linear motor technology has dropped over the past decade, the choice between a linear motor and a ball screw must take into account both the application’s performance requirements and the total cost of ownership over the life of the machine or system.  Below are some of the key parameters to consider when comparing and choosing between ball screws and linear motors…

Click on the link below to view this entire White Paper.

http://www.designworldonline.com/linear-motor-vs-ball-screw/#_

 

How to select the optimum motor winding. A new 6min video from maxon motor ag

 

This 6minute video, by Dr. Urs Kafader of maxon motor ag, illustrates the properties of a DC servo motor winding for a given motor type.

Click on the link below to view the YouTube Video.

Click on the link below to view the Maxon Motor Product Family.

http://www.electromate.com/products/?partner=1072297493

EDITORIAL CONTACT:
Warren Osak
sales@electromate.com
Toll Free Phone:   877-737-8698
Toll Free Fax:       877-737-8699
www.electromate.com

 

Tags:  maxon, maxon motor, maxon DC motor, Electromate, servo motor, BLDC motor, brushless motor, flat motor, pancake motor, automation, electric motor, motion control, motor winding selection


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