RANCANGAN MESIN PENYANGRAI BIJI KOPI DAN KAKAO
Keywords:
roasting machine, coffee beans, cocoa beans, Mechanical Product Cycle (MPC), machine designAbstract
The roasting process of coffee and cocoa beans is a crucial stage in determining their flavor, aroma, and color. Therefore, a roasting machine capable of producing a uniform and efficient roasting process is required. This study aims to design a 5 kg capacity coffee and cocoa bean roasting machine using the Mechanical Product Cycle (MPC) method. The design stages include problem identification, requirement analysis, machine design, detailed design, fabrication, assembly, and machine performance testing. The machine is designed with an LPG gas-fired heating system, while the roasting drum is driven by an electric motor. The performance test results showed that the machine was able to roast coffee and cocoa beans evenly, with stable operation and in accordance with the planned capacity. Based on these results, the roasting machine designed using the Mechanical Product Cycle (MPC) method performed well and achieved the design objectives by providing an effective, efficient, and easy-to-operate roasting system.
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