The company's size 17 DSM 2344H-C6231 miniature stepping actuator is made of a hybrid step motor and an internal lead screw cut directly into the shaft. It features an M5◊2.0 lead pitch configuration that develops a linear force of 13.5 lbs. The motor's front bearing is preloaded to ensure zero backlash performance under light loading conditions, according to the company. The product's step size is 0.4 micro-inches, and the step motor size is 1.65 inches square by 1.34 inches long. Gee Plus Inc.http://rbi.ims.ca/4911-616
NASA and Boeing developed a huge, carbon composite cryogenic fuel tank for deep space missions, and started testing it last month. The 18-ft cryotank will enable heavy-lift launch vehicles to send both humans and robots into deep space.
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