Study of Factors Affecting the Efficiency of Separation Machines for the Strength of Fibers

Rewat Termkla; Ruttanachira Ruttanaprasert; Ratanarekha Atchariyapitak; Kiartiphum Duangsri; Arunsak  Boonphum; Lakkana Pitak

doi:10.69650/ahstr.2025.3949

Authors

Rewat Termkla Department of Agricultural Machinery, Faculty of Agriculture and Technology, Rajamangala University of Technology Isan, Surin Campus, Surin, 32000, Thailand https://orcid.org/0009-0008-2985-6327
Ruttanachira Ruttanaprasert Department of Plant Science, Textiles and Design, Faculty of Agriculture and Technology, Rajamangala University of Technology Isan Surin Campus, Surin, 32000, Thailand https://orcid.org/0000-0001-6243-315X
Ratanarekha Atchariyapitak Department of Plant Science, Textiles and Design, Faculty of Agriculture and Technology, Rajamangala University of Technology Isan Surin Campus, Surin, 32000, Thailand
Kiartiphum Duangsri Department of Plant Science, Textiles and Design, Faculty of Agriculture and Technology, Rajamangala University of Technology Isan Surin Campus, Surin, 32000, Thailand
Arunsak Boonphum Department of Agricultural Machinery, Faculty of Agriculture and Technology, Rajamangala University of Technology Isan, Surin Campus, Surin, 32000, Thailand
Lakkana Pitak Department of Agricultural Machinery, Faculty of Agriculture and Technology, Rajamangala University of Technology Isan, Surin Campus, Surin, 32000, Thailand https://orcid.org/0009-0002-2133-3579

DOI:

https://doi.org/10.69650/ahstr.2025.3949

Keywords:

separation machine, fiber separation, textile industry, hemp fibers, fiber strength

Abstract

Using natural fibers helps reduce the use of fibers separated from environmentally harmful materials. Also, natural fibers reduce agricultural waste and add uniqueness to the fibers. Therefore, the objective of this research was to develop the fiber separation machine and test the efficiency of hemp fiber separation as a tool for peeling hemp fiber. The fiber separation machine consists of a beating blade assembly, a feed chute, a power transmission unit, and a waste discharge chute for the leftover material after fiber extraction. Test factors are as follows: preparation of hemp stalks (mashed stem and no mashed stem), water absorption (6, 12 hr), blade angle (0°, 15°), a set of feeds (1, 2, 3 stems), and speeds of blade (300, 400, 500 rpm). The developed hemp fiber separator effectively separates fibers from hemp stalks. Optimal performance was achieved by pre-crushing the stalks, soaking them for 6 hours, and using a blade angle of 0° at 400 rpm. With a feed rate of two stems, the machine achieved a capacity of 5.52 kg/hr, a separation efficiency of 98.20%, a post-separation loss of 0.98%, and a fiber strength of 3008.83 cN. In the operation of the machine, it consumes 0.40 kW/hr. The payback period for the hemp fiber separator is approximately 1.5 months. The fibers obtained are standardized and can provide more options for textile products, allowing communities to achieve sustainable self-reliance.

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