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<p>Peeling is the primary operation in processing tender jackfruit, and is performed manually with a sharp knife. Efforts have been made to develop jackfruit peeling machines; however, these machines are not commercially available due to low peeling efficiency and high peeling loss. The present investigation was carried out to develop a jackfruit peeling machine, with emphasis on the design of the peeling blade, holding assembly and a working platform for adjusting the peeling blade position. The machine was designed on the principle of scraping the peel from a vertically held jackfruit with a curved blade. The rotational speed of the jackfruit, linear speed of the peeling arm, and location of the peeling blade (LB) are the key operating parameters of the machine. A maximum peeling efficiency of 97.71% was achieved with a peeling loss of about 3.0% at a rotational speed of 80&#xa0;rpm, a linear peeling speed of 4.5&#xa0;m/s, and a blade location of 85&#xa0;mm. The machine is operated by a 1.47&#xa0;kW electric motor and has an input capacity of approximately 131.7&#xa0;kg/h. The developed machine, with improved peeling efficiency, has strong potential for use in minimal processing and for producing tender jackfruit powder.</p>

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Development and performance evaluation of tender jackfruit peeling machine

  • 期刊论文

  • 发表日期：

    2026年6月23日

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  • Dilip Ananda Pawar,
  • Saroj Kumar Giri

摘要

Peeling is the primary operation in processing tender jackfruit, and is performed manually with a sharp knife. Efforts have been made to develop jackfruit peeling machines; however, these machines are not commercially available due to low peeling efficiency and high peeling loss. The present investigation was carried out to develop a jackfruit peeling machine, with emphasis on the design of the peeling blade, holding assembly and a working platform for adjusting the peeling blade position. The machine was designed on the principle of scraping the peel from a vertically held jackfruit with a curved blade. The rotational speed of the jackfruit, linear speed of the peeling arm, and location of the peeling blade (LB) are the key operating parameters of the machine. A maximum peeling efficiency of 97.71% was achieved with a peeling loss of about 3.0% at a rotational speed of 80 rpm, a linear peeling speed of 4.5 m/s, and a blade location of 85 mm. The machine is operated by a 1.47 kW electric motor and has an input capacity of approximately 131.7 kg/h. The developed machine, with improved peeling efficiency, has strong potential for use in minimal processing and for producing tender jackfruit powder.