Space scalable type mechanical arm based on 4D printing and expanding and contracting method thereof
A robotic arm and space technology, applied in manipulators, program-controlled manipulators, claw arms, etc., can solve problems such as limiting the performance of printable shape memory polymers, and achieve the effect of promoting development and expanding application fields
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[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.
[0023] see Figure 1-3 Describe this embodiment, a spatially scalable robotic arm based on 4D printing, which includes a hollow columnar structure 1, a first press plate 2 and a second press plate 3, the hollow columnar structure 1 is formed by 4D printing technology, and the hollow columnar structure The material of the structure 1 is shape memory polymer, the wall surface of the hollow columnar structure 1 is distributed in a network shape, and the two ends of the hollow columnar structure 1 are respectively connected with the first pressing plate 2 and the second pressing plate 3 .
[0024] The shape memory polymer described in the present invention is a polylactic acid material, which has thermoplasticity and shape memory effect, can undergo active deformation under thermal ...
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