Design and Fabrication of Lotus Seeds Sizing Machine

Main Article Content

Jaturong Langkapin
Sunan Parnsakhorn
Roongruang Kalsirisilp

Abstract

The lotus seeds sizing machine was designed and fabricated to study and test factors affecting the grading of lotus seeds. The machine consists of a main frame, a hopper, a seeds sizing unit, a power transmission unit, and a 1 hp electric motor which was used as a prime mover. In the operation, the lotus seeds were fed manually into feeding chute on the top of the machine, then the seeds fell through the seed sizing unit which composed of 3 cylindrical sieves that served for grading into 3 sizes. After that, seeds were released through outlet chute at the front of the machine. The prototype was tested for 3 different sizes of feeding, and at the seeds sizing unit speed of 20, 25 and 30 rpm, respectively. It indicated that the optimal performance was achieved when the machine was operated at seeds sizing unit rotational speed of 25 rpm (Linear speed of the screen for grading is 0.67 m/s), using large size of feeding (15×10 cm2) with feeding rate of 330 kg/hour. The working capacity was 128.2 kg/hour and the percentage of grading was found to be 92.1% with no percentage of damaged seeds. It consumed 0.33 kW-hour of energy.

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How to Cite
Langkapin จ. ., Parnsakhorn ส., & Kalsirisilp ร. (2022). Design and Fabrication of Lotus Seeds Sizing Machine. Rajamangala University of Technology Srivijaya Research Journal, 14(1), 103–116. Retrieved from https://li01.tci-thaijo.org/index.php/rmutsvrj/article/view/242051
Section
Research Article
Author Biographies

Jaturong Langkapin, Department of Agricultural Engineering, Faculty of Engineering, Rajamangala University of Technology Thanyaburi.

Department of Agricultural Engineering, Faculty of Engineering, Rajamangala University of Technology Thanyaburi, Thanyaburi, Pathumthani 12110, Thailand.

Sunan Parnsakhorn, Department of Agricultural Engineering, Faculty of Engineering, Rajamangala University of Technology Thanyaburi.

Department of Agricultural Engineering, Faculty of Engineering, Rajamangala University of Technology Thanyaburi, Thanyaburi, Pathumthani 12110, Thailand.

Roongruang Kalsirisilp, Department of Agricultural Engineering, Faculty of Engineering, Rajamangala University of Technology Thanyaburi.

Department of Agricultural Engineering, Faculty of Engineering, Rajamangala University of Technology Thanyaburi, Thanyaburi, Pathumthani 12110, Thailand.

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