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NORTH AMERICA |
OCTOBER 2009
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Better Printing Machines with Direct Drive Technology
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Flexographic printing technology has become increasingly popular because it more easily maintains printing quality and reduces startup time and waste. But flexo printing quality is dependent upon maintaining extremely accurate synchronization of the anilox roller and plate cylinder used in each print deck module. As press speed and printing quality requirements have increased, the inevitable inaccuracies in the gearing system have become a limiting factor on press print quality and speed.
Recent advancements make it possible to synchronize the anilox roller and plate cylinder to a much higher level of precision without mechanical transmissions, enabling servo loop gain to be increased, and therefore, bandwidth of the servo loop. Speed control and phasing between the anilox and plate cylinder can now be closely controlled in the absence of the gear backlash, thus providing for higher speeds and accuracies for improved print quality. Throughput is also increased because the higher control loop gain enables faster machine operation.
This article will examine the trend towards direct drive rotary (DDR) systems in flexo presses and consider alternative implementation methods. Find out more>>
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The New Kollmorgen.com Delivers Robust Solutions
and Tools to Help Build Your Marketplace Advantage
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Not only will visitors to the new Kollmorgen.com find all the information they need on our comprehensive family of
motor, drive,
controls, linear positioners and fully integrated
product sets -- they will also find a wealth of helpful design tools and
educational/training resources to help them streamline their design process and build an optimized machine, faster, including:
- Sizing software such as MOTIONEERING® to automate the application sizing and product selection process
- Attribute-based Product Selectors that identify the optimum components based on user application inputs such as torque/thrust requirements, maximum speed, voltage ratings, physical dimensions and environmental conditions
- An Engineer's Toolbar that provides a convenient method of performing common technical calculations
- Configurable 2D and 3D CAD drawings in all major CAD formats
- Educational articles and other resources to help engineer's of all experience levels refine their design skills
Visitors can also check out the upcoming training schedule and enroll for upcoming courses, and even request customized, on-site training!
Check it out>>
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Keep an Eye Out
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The highly anticipated Advanced Kollmorgen Drive™ (AKD) is coming soon. As advanced, scalable, Ethernet-based servo drives, the AKD family of drives will deliver cutting-edge technology and performance with one of the most compact footprints in the industry.
Feature-rich and versatile, the AKD drive provides a solution for nearly any application, from basic torque and velocity applications to indexing, while setting the standard for power density and performance.
Do more with less. Outperform the competition with the most versatile drives on the market. Contact us today to find out more.
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Contact Us
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Kollmorgen
203A West Rock Road
Radford, VA 24141 US
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Phone: 1-540-633-3545
Fax: 1-540-639-4162
Email: contactus@kollmorgen.com
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About Kollmorgen e-News Kollmorgen e-News is a regular motion control engineering and innovation update providing news through significant educational articles and product information from Kollmorgen and other expert sources. To view past e-News check out our
e-News Archive.
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