资讯

Its eight pneumatically powered legs each have four joints, allowing them to navigate with great flexibility over uneven terrain. Speed: up to 20 feet per minute. Control ...
Permanent lubrication is provided through continuous lubrication pockets in the guidance. For short strokes in particular, the principle of minimum quantity lubrication ensures quick and even ...
We have developed a self-contained, liquid tunable microlens based on polyacrylate membranes integrated with compact on-chip thermo-pneumatic actuation fabricated using full-wafer processing ...
This article was originally published with the title “A Pneumatically Operated Railway-Sand-Box” in Scientific American Magazine Vol. 80 No. 6 (February 1899), p. 84 doi:10.1038 ...