by Scott Sabreen, The Sabreen Group, Inc. Question: We're having adhesion failures when trying to bond a molded Nylon-66 automotive part using epoxy adhesives. The part has been wiped with alcohol and we've increased the epoxy thickness, hoping this will help. Can you suggest how to solve the problem? Answer: The good news is that your adhesion bonding problem is definitely … [Read more...] about Q&A: Process Solutions for Adhesion Bonding of Nylon
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Q&A: Laser Marking QR and Data Matrix Codes
by Scott Sabreen Question: What exactly are QR codes (I see them everywhere)? How do they differ from Data Matrix codes and can they be laser marked? As a plastics manufacturing company, should we use QR or Data Matrix? I use my cell phone app to read QR codes but I’m not sure if they can be read using industrial grade machine vision systems requiring ISO … [Read more...] about Q&A: Laser Marking QR and Data Matrix Codes
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
Selecting the Proper Assembly Process
By Jeffrey Frantz, Branson Deciding on the best assembly process for your application can be very confusing. There are several options available, from mechanical fasteners and adhesives to heat and friction methods, each with distinct advantages. Further complicating matters is everyone seems to have the "best" solution. To ultimately make the proper choice, each and every … [Read more...] about Selecting the Proper Assembly Process