Ultraminiature ball screws, manufactured from corrosion-resistant 400-Series stainless steel that is hardened and precision ground, are available in diameters as small as 3 mm with a choice of two pitches: 1 or 0.5 m.
Four nut types are available: Series 1112 is a cylindrical single nut with an attaching thread; Series 1214 is a compact cylindrical single nut with fitting key; and Series 1412 is a single nut with flange. These versions are available with play or preloaded using oversized balls. The fourth type, Series 1510, is a spring-preloaded double nut that compensates for torque variations from ground-thread inaccuracies.
Unlike passive products - made of simple carbon springs - the bionic prostheses developed by Revival Bionics are propulsive, equipped with a motor and an artificial Achilles tendon...
Electric drives are a key technology for the performance of machines, robots, and power tools. Download this guide for an introduction to high-quality mechatronic drive systems...
Voice your opinion!
To join the conversation, and become an exclusive member of Machine Design, create an account today!
