Sustainability of 3D printing in industry 4.0

Sachdeva, Aditya; Agrawal, Rashmi; Chaudhary, Chetan; Siddhpuria, Darshit; Kashyap, Deepanshu; Timung, Seim

doi:10.1016/b978-0-323-99861-1.00010-2

3D Printing Technology for Water Treatment Applications 2023

DOI: 10.1016/b978-0-323-99861-1.00010-2

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Sustainability of 3D printing in industry 4.0

Aditya Sachdeva

Rashmi Agrawal

Chetan Chaudhary

et al.

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Cited by 2 publications

References 30 publications

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Recycling of Electronic Waste using Hydrometallurgical Techniques

Vasilyeva,

Keerthi,

Khan

et al. 2024

E3S Web Conf.

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This study investigates the correlation between electronic waste recycling, material recovery, and the consequent purity levels. It underscores the substantial influence of hydrometallurgical processes on the recycling process. Experiment 2, with an optimum chemical concentration, exhibited a 50% increase in metal recovery efficiency relative to Experiment 1. This illustrates the substantial improvement in material purity attained by hydrometallurgical experiments. The analysis of contaminant removal demonstrates a 40% enhancement in separation efficiency in Experiment 2, signifying the process’s efficacy. Experiment 3, which included further optimization of chemical parameters and modifications to process temperature, achieved a 30% decrease in recycling time, underscoring enhanced operational efficiency. Notwithstanding the elevated beginning expenses of chemical reagents, Experiment 2 achieved a 20% decrease in total recycling costs, underscoring the economic feasibility of the method. This highlights the need of meticulously controlling electronic trash to get elevated material recovery rates and cost-effectiveness. The findings elucidate the interplay between hydrometallurgical methods and electronic waste recycling, presenting ideas for enhancing recycling efficiency and environmental sustainability.

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Recycling of Electronic Waste using Hydrometallurgical Techniques

Vasilyeva,

Keerthi,

Khan

et al. 2024

E3S Web Conf.

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Universal fixation system for pad printing of plastic parts

Ramírez,

Hernández-Uribe,

Cárdenas-Robledo

et al. 2023

MBE

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<abstract> <p>Pad printing is used in automotive, medical, electrical and other industries, employing diverse materials to transfer a 2D image onto a 3D object with different sizes and geometries. This work presents a universal fixation system for pad printing of plastic parts (UFSP4) in response to the needs of small companies that cannot afford to invest in the latest technological advances. The UFSP4 comprises two main subsystems: a mechanical support system (i.e., support structure, jig matrix and braking system) and a control system (i.e., an electronic system and an electric-hydraulic system). A relevant feature is the combination of a jig matrix and jig pins to fixate complex workpieces with different sizes. Using finite element analysis (FEA), in the mesh convergence, the total displacement converges to 0.00028781 m after 12,000 elements. The maximum equivalent stress value is 1.22 MPa for the polycarbonate plate in compliance with the safety factor. In a functionality test of the prototype performed in a production environment for one hour, the jigs fixed by the plate did not loosen, maintaining the satisfactory operation of the device. This is consistent with the displacement distribution of the creep analysis and shows the absence of the creep phenomenon. Based on FEA that underpinned the structural health computation of the braking system, the prototype was designed and built, seeking to ensure a reliable and safe device to fixate plastic parts, showing portability, low-cost maintenance and adaptability to the requirements of pad printing of automotive plastic parts.</p> </abstract>

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Sustainability of 3D printing in industry 4.0

Cited by 2 publications

References 30 publications

Recycling of Electronic Waste using Hydrometallurgical Techniques

Recycling of Electronic Waste using Hydrometallurgical Techniques

Universal fixation system for pad printing of plastic parts

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