Rotating tessellation11/2/2022 ![]() Early experiments performed by Deshpande et al. During the last two decades, periodic lattice materials have attracted considerable attention due to their outstanding mechanical properties (Coulais et al., 2018 Florijn et al., 2014 Milton and Cherkaev, 1995 Schittny et al., 2014 Frenzel et al., 2019Frenzel et al.,, 2017Zhu et al., 2019 Tao et al., 2020 Tan et al., 2019C, 2020Chen et al., 2020aChen et al., ,c, 2021 such as high specific stiffness (Berger et al., 2017), high specific strength (Chen et al., 2020b Jang et al., 2013 Zheng et al., 2014), controlled Poisson's ratio Chen et al., 2020d Yang and Ma, 2020 Bückmann et al., 2014), high energy absorption and ability to recovery after unloading (Tan et al., 2019b,a Frenzel et al., 2016 Jang et al., 2013). The functional aspects of fabricated samples are discussed for many rotation cycles and for different frictional surfaces. The device is based on the frictional contacts and chiral metamaterials to get rid of the dependence on the accuracy of parts. Herein, a single‐step lithography process to fabricate a micro‐stepper engine with an accurate micrometric rotation axis and an overall sub‐millimeter size is demonstrated. In this paper, a single‐step lithography process to fabricate a micro‐stepper engine with an accurate micrometric rotation axis and an overall sub‐millimeter size is demonstrated. Miniaturization of individual parts is still posing assembly problems. ![]() ![]() ![]() They are complex multibody systems with rather large overall volume due to their multifunctional parts and elaborate technological assembly processes. Stepper motors and actuators are among the main constituents of control motion devices. ![]()
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