These magnetic particle brakes have a hollow shaft, and don't need a precision alignment shaft for installation. They slide on and couple with a roll pin or integral clamp, a torque arm holding the brake's body still. They are used where variable, smooth slip torque is needed, such as in winding systems. Input current controls the unwind tension. Torque comes from magnetizing microscopic stainless steel spheres. A higher electric input makes for a stronger internal magnetic field, which creates higher torque that is independent of slip RPM. Hollow shaft brakes from 0-15 to 220 lb-inches. Larger solid shaft brakes, as well as clutches up to 300 lb-feet with 1,900W heat dissipation are available from stock.
Truchard will be presented the award at the 2014 Golden Mousetrap Awards ceremony during the co-located events Pacific Design & Manufacturing, MD&M West, WestPack, PLASTEC West, Electronics West, ATX West, and AeroCon.
In a bid to boost the viability of lithium-based electric car batteries, a team at Lawrence Berkeley National Laboratory has developed a chemistry that could possibly double an EV’s driving range while cutting its battery cost in half.
For industrial control applications, or even a simple assembly line, that machine can go almost 24/7 without a break. But what happens when the task is a little more complex? That’s where the “smart” machine would come in. The smart machine is one that has some simple (or complex in some cases) processing capability to be able to adapt to changing conditions. Such machines are suited for a host of applications, including automotive, aerospace, defense, medical, computers and electronics, telecommunications, consumer goods, and so on. This discussion will examine what’s possible with smart machines, and what tradeoffs need to be made to implement such a solution.