Preliminary study of coffee harvesting tool for Liberica variety coffee

Adli Fikri Ahmad Sayuti, . and Rohazrin Abdul Rani, . and Mohd Nadzim Nordin, . and Mohd Shahmihaizan Mat Jusoh, . and TS. Mohd Shukry Hassan Basri, . and TS. Mohd Khusairy Khadzir, . (2023) Preliminary study of coffee harvesting tool for Liberica variety coffee. International Journal of Agriculture, Forestry and Plantation (Malaysia), 13. pp. 32-38. ISSN 2462-1757

Coffea Liberica, which is primarily grown in Southeast Asia. It is currently the most significant Coffea species cultivated in Malaysia and the Philippines. The major problem in harvesting Liberica coffee is that the mature growth isn't even and the higher strength of coffee cherry stem on tree branches. The coffee cherry can't be picked by shaking the tree because they don't fall off easily. Twisting and stripping coffee cherry is a harvesting technique which encourages the development of new coffee bud seeds. In this study, a tool for harvesting coffee cherry is used to pick coffee cherry from the tree branch by using rotating and stripping technique. This is a tool that already exists on the market and has been modified to suit the Liberica variety of coffee. It has two arms that rotate in opposite directions and are covered with Thermoplastic Polyurethane (TPU) material with the shape of a drill to protect the branch of the coffee tree from injured. The concept and designs of the covered TPU drill shape were made using computer-aided design software in the third dimension (3D), which simulated the functions. The covered was then made using a 3D printer machine. Actual experiment were conducted by establishing the mechanism of the concept and observing its actual function. It has been determined the physical parameters of Liberica cherry, the strength of coffee cherry stem on tree branches, and the comparative performance of conventional harvesting and harvesting with tools. The results indicate that the strength of mature Liberica coffee cherry stem on tree branches is stronger than that of unripe stem; therefore, the concept of shaking cannot be utilized in the design of harvesting machinery. Results also show that using tool to harvest coffee cherry is more productive than harvesting by hand. Extensive research, development, and improvement are required.

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Abstract

Coffea Liberica, which is primarily grown in Southeast Asia. It is currently the most significant Coffea species cultivated in Malaysia and the Philippines. The major problem in harvesting Liberica coffee is that the mature growth isn't even and the higher strength of coffee cherry stem on tree branches. The coffee cherry can't be picked by shaking the tree because they don't fall off easily. Twisting and stripping coffee cherry is a harvesting technique which encourages the development of new coffee bud seeds. In this study, a tool for harvesting coffee cherry is used to pick coffee cherry from the tree branch by using rotating and stripping technique. This is a tool that already exists on the market and has been modified to suit the Liberica variety of coffee. It has two arms that rotate in opposite directions and are covered with Thermoplastic Polyurethane (TPU) material with the shape of a drill to protect the branch of the coffee tree from injured. The concept and designs of the covered TPU drill shape were made using computer-aided design software in the third dimension (3D), which simulated the functions. The covered was then made using a 3D printer machine. Actual experiment were conducted by establishing the mechanism of the concept and observing its actual function. It has been determined the physical parameters of Liberica cherry, the strength of coffee cherry stem on tree branches, and the comparative performance of conventional harvesting and harvesting with tools. The results indicate that the strength of mature Liberica coffee cherry stem on tree branches is stronger than that of unripe stem; therefore, the concept of shaking cannot be utilized in the design of harvesting machinery. Results also show that using tool to harvest coffee cherry is more productive than harvesting by hand. Extensive research, development, and improvement are required.

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Item Type:	Article
AGROVOC Term:	coffee
AGROVOC Term:	liberica coffee
AGROVOC Term:	fruits
AGROVOC Term:	mechanical harvesting
AGROVOC Term:	computer-aided design
AGROVOC Term:	productivity
Geographical Term:	Malaysia
Depositing User:	Mr. Khoirul Asrimi Md Nor
Date Deposited:	26 May 2026 03:47
Last Modified:	26 May 2026 03:47
URI:	http://webagris.upm.edu.my/id/eprint/3955

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