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Insights from Dukane

May 25, 2010

Benefits of Resilient Fixtures for Ultrasonic Plastic Welding

When is it a better choice to use a resilient fixture made from a Polyurethane casting in place of using aluminum or stainless steel? This question needs to be answered with a series of other questions. The most important of those are: what is the shape of the part, the material being welded, the process… Continue Reading Benefits of Resilient Fixtures for Ultrasonic Plastic Welding

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May 11, 2010

Dynamic Balancing of Linear Vibration Weld Tooling

The balancing of Vibration Weld Tooling is critical to the longevity of any manufacturer’s vibration welding equipment. With proper design of the moving half of the vibration tools used in the Linear Vibration Welder, the manufacturer can expect a much longer life from his welding equipment. Also by running unbalanced tools you can significantly shorten… Continue Reading Dynamic Balancing of Linear Vibration Weld Tooling

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May 4, 2010

Composite Ultrasonic Horns

A composite horn is actually a half-wave “coupler” horn with two or more half-wave, tuned horns attached to it. This technology was patented by Dukane in 1973. Because composite ultrasonic horn designs can often eliminate the need to invest in additional assembly systems, they reduce equipment costs and minimize production time for customers. Composite ultrasonic… Continue Reading Composite Ultrasonic Horns

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May 4, 2010

Dukane Participated in 2010 UIA Symposium

The 39th Annual UIA (Ultrasonic Industry Association) Symposium held in Cambridge, MA, included 80 participants from 48 organizations representing 11 countries. The program included one day of industrial presentations on Monday April 12th, two workshops, a poster session on Tuesday April 13th and a day of medical presentations on April 14th. Dukane was a proud… Continue Reading Dukane Participated in 2010 UIA Symposium

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Mar 16, 2010

What Happened to Your Ultrasonic Weld Quality?

Miranda Marcus

The most important factor in troubleshooting problems in ultrasonic welding is understanding the fundamentals of the process. With this basic knowledge, most problems can be easily diagnosed and resolved. Even so, sometimes your time-tested weld recipe may suddenly fail for no discernible reason. Perhaps your ultrasonic welder has been running the same application for months,… Continue Reading What Happened to Your Ultrasonic Weld Quality?

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Mar 11, 2010

How does your Ultrasonic Probe/Stack work?

Ultrasonic Probe Plastic welding is the most common application of ultrasonic assembly. To perform ultrasonic plastic welding, a vibrating tip is brought into contact with one of the work pieces as shown in Figure 1–1. Pressure is applied and ultrasonic energy travels through the material, increasing the kinetic energy (or heat) at the contact point… Continue Reading How does your Ultrasonic Probe/Stack work?

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