by Tom Kirkland A little research reveals that ultrasonic plastic welding machines can be purchased in a variety of frequencies, including 15, 20, 27, 30, 35, 40, 50, 60, or 70 KHz. As if this doesn't create enough confusion, even more frequencies most likely are available. If two potential suppliers recommend different frequencies, which one is providing the best information? … [Read more...] about Ultrasonic Welding – Which Frequency
2008 Jan/Feb
Laser Marking and Machine Vision Codes for Product Security & Traceability
by Scott R. Sabreen Industrial manufacturing requirements for indelible direct part marking containing machine vision codes are growing exponentially. Direct part marking enables tracking a product from the time of manufacturing until the end of its useful life. This demand is driven by the increasing requirements for component traceability and product unique identification … [Read more...] about Laser Marking and Machine Vision Codes for Product Security & Traceability
Water Transfer Printing Technology
by Mike Richards, TWN Industries, Inc. Water Transfer Printing Technology You've heard it by many names: hydrographic printing, 3D printing, fluid imaging, immersion printing, or simply water transfer printing. Whatever the name, the processes are the same. Using the water transfer printing process, you can transfer high-definition 4-color graphic patterns to many complex … [Read more...] about Water Transfer Printing Technology
Understanding the Pad in Pad Printing
by Peter Kiddell, PDS Consulting One of the most difficult questions to answer about the pad printing process is, "How do I determine what pad to use?" One answer won't apply for every shop or application. Rather than lay down inflexible rules, this article will provide a methodology for determining the optimum pad characteristics and a framework you can work within to get the … [Read more...] about Understanding the Pad in Pad Printing