Design and development of a coffee cup molding machine using spent coffee grounds (scg)/ Jerelee De Castro, Eivan Adrian C. Gillera, Lowell Gae G. Gonzaga, Louie B. Ronato, and Jonas G. Sambat.--

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De Castro, Jerelee [author]

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TextPublication details: Manila: Technological University of the Philippines, 2025.Description: xi, 101pages: 29cmContent type:

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BTH TJ 145 D43 2025

Dissertation note: College Of Engineering.-- Bachelor of science in mechanical engineering: Technological University of the Philippines, 2025. Summary: This study aims to upcycle spent coffee grounds by designing a small-scale injection molding machine that produces coffee cups out of spent coffee grounds and polylactic acid. The machine aims to scale injection molding into a smaller form-factor that is portable and compact. The study aims to develop a machine that can produce a single 12 oz. cup in 15 minutes. The evaluation of the machine focused on its efficiency, the quality of the cups it produced, user-friendliness in terms of operation and maintenance, and its safety standards. An economic viability study was carried out to evaluate the machine's cost-effectiveness. The development process included interviews, surveys, literature reviews, calculations, simulations, and experimental trials. Findings indicate that the coffee cup molding machine effectively meets the required specifications, integrating key components such as heating elements, an injector, and a mold. It can produce 12 oz. cups within 15 minutes and operates within the target temperature range of 220 to 240°C for melting the mixture. Crucial parts like the heating system, injector, mold, and fans were successfully implemented. According to the economic viability analysis, the machine presents a cost-effective solution with a high return on investment and a short payback period of approximately.

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Item type	Current library	Shelving location	Call number	Copy number	Status	Date due	Barcode
Bachelor's Thesis COE	TUP Manila Library	Thesis Section-2nd floor	BTH TJ 145 D43 2025 (Browse shelf(Opens below))	c.1	Not for loan		BTH0006404

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Bachelor's thesis
This study aims to upcycle spent coffee grounds by designing a small-scale
injection molding machine that produces coffee cups out of spent coffee grounds and
polylactic acid. The machine aims to scale injection molding into a smaller form-factor that
is portable and compact. The study aims to develop a machine that can produce a single 12
oz. cup in 15 minutes. The evaluation of the machine focused on its efficiency, the quality
of the cups it produced, user-friendliness in terms of operation and maintenance, and its
safety standards. An economic viability study was carried out to evaluate the machine's
cost-effectiveness. The development process included interviews, surveys, literature
reviews, calculations, simulations, and experimental trials. Findings indicate that the coffee
cup molding machine effectively meets the required specifications, integrating key
components such as heating elements, an injector, and a mold. It can produce 12 oz. cups
within 15 minutes and operates within the target temperature range of 220 to 240°C for
melting the mixture. Crucial parts like the heating system, injector, mold, and fans were
successfully implemented. According to the economic viability analysis, the machine
presents a cost-effective solution with a high return on investment and a short payback
period of approximately.

College Of Engineering.-- Bachelor of science in mechanical engineering:
Technological University of the Philippines,
2025.

Includes bibliographic references and index.

This study aims to upcycle spent coffee grounds by designing a small-scale
injection molding machine that produces coffee cups out of spent coffee grounds and
polylactic acid. The machine aims to scale injection molding into a smaller form-factor that
is portable and compact. The study aims to develop a machine that can produce a single 12
oz. cup in 15 minutes. The evaluation of the machine focused on its efficiency, the quality
of the cups it produced, user-friendliness in terms of operation and maintenance, and its
safety standards. An economic viability study was carried out to evaluate the machine's
cost-effectiveness. The development process included interviews, surveys, literature
reviews, calculations, simulations, and experimental trials. Findings indicate that the coffee
cup molding machine effectively meets the required specifications, integrating key
components such as heating elements, an injector, and a mold. It can produce 12 oz. cups
within 15 minutes and operates within the target temperature range of 220 to 240°C for
melting the mixture. Crucial parts like the heating system, injector, mold, and fans were
successfully implemented. According to the economic viability analysis, the machine
presents a cost-effective solution with a high return on investment and a short payback
period of approximately.

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