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Insights from Dukane

Apr 13, 2011

Dukane RFI Filter for Ultrasonic Plastic Welders

Dukane is a global provider of ultrasonic plastic welders for thermoplastic materials. Our welding equipment is designed with a high quality RFI power line filter to meet FCC and CE requirements for conducted emissions. The RFI (Radio Frequency Interference) is an unwanted noise generated by a wide variety of electronic and electrical devices. Ultrasonic welders… Continue Reading Dukane RFI Filter for Ultrasonic Plastic Welders

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Apr 6, 2011

Multiple Slit Applications – Narrow Gauge or Standard Slitting?

This question can be answered different ways but let’s discuss the difference from the two methods of Ultrasonic Narrow Gauge Slitting and Standard Ultrasonic Slitting. Narrow Gauge Slitting is when a series of Individual Slitting Modules are positioned under a Long Ultrasonic Bar Horn usually about 9” in length. Depending on the centerlines and number… Continue Reading Multiple Slit Applications – Narrow Gauge or Standard Slitting?

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Nov 17, 2010

Awarded 2010 Ringier Prize for Innovation

At the recent Med Tech show in Shanghai China, Dukane was displaying its new Servo Ultrasonic Welding Press which was awarded the Ringier Technology Innovation 2010 award in the Auxiliary Equipment category for plastic welding.  The winner’s of the Ringier Award in each category are chosen by an independent panel of judges for technical and… Continue Reading Awarded 2010 Ringier Prize for Innovation

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Oct 6, 2010

Understanding Ultrasonic Stack

It is essential that the mating faces between an ultrasonic transducer/booster and a booster/horn be flat and parallel. If any air gaps remain, there will be a resultant loss in power output and efficiency. Coupling may be so poor that it might prevent the starting of an ultrasonic stack. The condition of excessive crowning, or… Continue Reading Understanding Ultrasonic Stack

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Sep 28, 2010

Ultrasonic Boosters

The boosters serve two purposes; second mounting point for the stack assembly and either amplifying or reducing the amplitude.  Like the transducer, the boosters have a nodal point.  At the nodal point there is a mounting ring designed to fit into the press system or machine mount applications.   There are two types of mounting ring… Continue Reading Ultrasonic Boosters

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Sep 24, 2010

Effect of Black Colorant on Ultrasonic Staking.

Sometimes it is difficult to disperse black pigments on polymers, resulting in agglomerates or clumps of pigment particles. These can make for places where cracking can occur when the plastic is stressed. This could be worse in the area of ultrasonic staking, since the polymer is likely to be somewhat weakened by the welding process.… Continue Reading Effect of Black Colorant on Ultrasonic Staking.

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