CONTENTS


MATERIALS • PROCESSES 22


Switching to cast polyurethane parts


High-performance polyurethanes combine the advantages of plastics, metals and ceramics with the resiliency of rubber parts


26 30 34


The true power of the prototype Exploring the often misunderstood role of the prototype and assessing its future


Crib sheet


The design engineer’s guide to the versatility and benefits of photo chemical etching


To cast, or not to cast? Exploring prime candidates for conversion of fabrications and assemblies to castings


COATING TECHNOLOGY 36


Problem-solving plasma Overcoming complex adhesion challenges via the use of plasma-enhanced chemical vapour deposition coatings


FASTENERS & SEALING 41


44


Joining forces Case study exploring the development of engineered latching for enhanced usability


Brewing success Hygienic stainless steel connections prove reliable in brewing a traditional German beer


MOTORS, DRIVES & CONTROLS


46


Chain of command Why sourcing the right quality components is essential for the optimum performance of mechanical power transmissions


48


Small and ready to conquer the world


The flat motors that are powering an innovative new robot arm


EVENT PREVIEW 50 Automatic tech showcase Looking ahead to the SPS IPC Drives event that takes place in Nuremberg, Germany at the end of November


4 www.engineerlive.com


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