www.motioncontroltips.com: Mechanical jaw grippers driven pneumatically or electrically are indispensable and ubiquitous. These include parallel grippers, three-finger grippers, and angled-finger grippers. Permanent-magnet and electromagnet-based end effectors handle ferrous parts for the machine-tool industry.
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I think hearing about all of the different kinds of end effectors is really interesting, and I’m wondering about theatrical applications both onstage and in a scene shop. There are so many different grippers that I haven’t really looked into yet such as the bernoulli air levitation one nor the expanding-donut grippers, though the latter is intuitive to me. The former uses different air pressures within one stream - higher pressure and lower speed externally, lower pressure and higher speed internally - to keep an object at a certain height and within a specific radius. In a gripper context, it appears to be akin to a vacuum. This principle has many different applications, including in vehicular aerodynamics. The end statistic claiming 16% of all industrial robot grippers being pneumatic is surprising just in that I assumed it would be higher, given their efficiency and adaptability. Other options including vacuum grippers, it makes sense why packaging and similar industries would prefer it, given rigidity in their product.
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