by Ken Holt, Hermann Ultrasonics, Inc. What effects and influences will a glass reinforcement in a plastic have upon the ultrasonic welding process? This is an excellent question as these types of additives are common in semi-crystalline parts. Unfortunately, the question has two considerations that need to be contrasted and compared. Both positive and negative influences can … [Read more...] about Questions about Ultrasonic Welding
Articles
The Perception of Color
by John Kaverman, Innovative Marking Systems Technology Feature July-August2008 I believe we can all agree that color is the single most misunderstood property of the products that we decorate. If you don't believe me, ask me about the customer who faxed me a color chip. For someone to perceive any color you have to have three things: a light source, an observer and an … [Read more...] about The Perception of Color
Ask the Expert: Screen Printing
by Henry L. Newman, Newman Printing Equipment, Inc. Many times bottles or containers must be treated before screenprinting. What are the best options for treating the containers? Pre-treating plastic bottles or containers prior to printing is sometimes required in order to get good ink adhesion as often measured by the tape test. Several methods are used for improving the … [Read more...] about Ask the Expert: Screen Printing
The InfraStake Process – Seeing the Light
by Scott Beute, Extol, Inc. The practice of forming a molded stud or boss in order to retain another component is nothing new. Long ago, engineers recognized the benefits of eliminating glue, screws, and other fasteners, and as a result, they developed several different methods of heat staking that have been around for quite some time. Against this backdrop, a nonconventional … [Read more...] about The InfraStake Process – Seeing the Light
Inks for IML: Proper Choices for Premium Results
by Tom Hammer, Product Manager, North America, Flint Group Narrow Web How much do you really know about the inks you use in your in-mold label (IML) applications? Are they really the right choice? What do you need to know about inks to make the right choice for your diverse applications of IMLs? How do the changes in the marketplace affect the inks you are currently using? No … [Read more...] about Inks for IML: Proper Choices for Premium Results