Space scalable type mechanical arm based on 4D printing and expanding and contracting method thereof

Abstract

The invention provides a space scalable type mechanical arm based on 4D printing and an expanding and contracting method thereof, belongs to the fields of 4D printing technologies and shape memory polymer, and particularly relates to a space scalable type mechanical arm based on 4D printing and an expanding and contracting method thereof. The problem that application of the 4D printing technologyon the aspect of printing a three-dimensional space expandable structure is poor is solved. The space scalable type mechanical arm comprises a hollow cylindrical structure, a first pressing plate anda second pressing plate and is mainly applied to astronautic three-dimensional intelligent space expanding structures.

Description

technical field [0001] The invention belongs to the field of 4D printing technology and shape memory polymers, in particular to a 4D printing-based space-stretchable mechanical arm and a stretching method thereof. Background technique [0002] 4D printing refers to the three-dimensional objects processed by 3D printing. Under specific environment and excitation (such as electricity, light, magnetism, water, heat and sound, etc.), its physical characteristics and functions (such as structure, shape, size, etc.) ) can transform itself over time. 4D printing is the further development and perfection of 3D printing. The most important feature of 4D printing is that it can directly embed the design into the printing material in a programmed way, and after printing, the object can be deformed into the desired shape or function in a predetermined environment or under a specific stimulus, which simplifies the process from The process from the design concept to the actual object re...

AI Technical Summary

Problems solved by technology

The technical characteristics and defects of each printing technology largely limit the types of shape memory polymers that can be printed and the properties of 4D printed objects. The application of 4D printing technology in printing three-dimensional space expandable structures is insufficient.

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