by Ron Kosmalski, Clean Air Technology, Inc. A cleanroom is a pre-defined room or area where the volume of particulates as small as 0.5 microns in size is reduced through filtration and air exchanges. The health care community is a significant consumer of plastic products and components. Products ranging from syringes and IV bags to medical grade tubing and implantable … [Read more...] about Cleanroom Considerations
Quality
Keeping Contamination Problems at Bay
by Ed Crutchley, www.pdtechwatch.com It's no secret that plastics decoration and surface treatment processes, and particularly those that require wet inks or coatings, need a clean environment. Traces of gas or condensation on the mold cavity surface, airborne dust, traces of oil and water from compressed air, stray grease from tool faces, fingerprints, and even migration of … [Read more...] about Keeping Contamination Problems at Bay
Q&A: Data Matrix Bar Code Mark Quality Verification and Standard
by Scott Sabreen Question: We presently print and read data matrix codes on several parts that we manufacture. If the codes are readable, can we assume they will pass verification? Which verification standard do you suggest? Answer: A common misconception is that if a 2-dimensional data matrix code is "readable" then it also is presumed "verified" as a passable code. This is … [Read more...] about Q&A: Data Matrix Bar Code Mark Quality Verification and Standard
Q&A: Data Matrix Bar Code Mark Quality Verification and Standard
By Scott Sabreen Question: We are marking large alphanumeric characters (1” height and 1/8” stroke width) using an Nd:YAG laser. The marking time is 45 seconds. Can you suggest ways to reduce the cycle time? Answer: There are several techniques that can decrease marking cycle time while achieving high resolution quality. First, adjust the beam expander (telescope) to … [Read more...] about Q&A: Data Matrix Bar Code Mark Quality Verification and Standard
Q&A: Optimizing Inkjet Printing Quality
By Scott Sabreen Question: We UV inkjet print on polycarbonate using multiple-color printheads inline. We started printing a new product and have inconsistent quality. Buying multiple inks is too costly. Can you offer suggestions? Answer: The problem you describe is common. There are several viable solutions, one of which originates from the pharmaceutical industry. As … [Read more...] about Q&A: Optimizing Inkjet Printing Quality