Plenty of engineers know about the mechanical property advantages of thermoplastic urethanes, or TPUs. These materials usually exhibit a powerful combination of abrasion resistance, high tear strengths, and wide service temperature ranges. What's less well known is how much these properties improve with the dry-heat annealing of the finished parts. This post-curing step typically improves tensile and tear properties by 10-20 percent, according to data from specialty compounder RTP Company. Temperatures for the annealing vary with the specific TPU, but they commonly fall between 212 and 248F. Annealing times can range from 12 hours to as much as 14 days. For more information, visit http://rbi.ims.ca/3849-525.
The National Highway Traffic Safety Administrationís recent backup camera mandate could open the door to more vehicle innovations, including better graphical displays, 360-degree camera views, and the increased use of Ethernet.
With support from National Instruments, a group of dedicated students from Connally High School in Austin, where more than 50% of the students are at risk of not graduating, have created a successful robotics team that is competing in the FIRST World Championships.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.