Fabrication of a Pineapple Peeling Machine and Performance Evaluation as Influenced by Pineapple Dimensions

A pineapple peeling machine was completed, and the functionality was. The Central composite rotate strategy CCRD involving three variables at five (5) stages was employed for the investigations plus the investigational variables been weight, diameter and height of pineapple, while weights of peeled pineapple and peel, machine peeling time and efficiency were the dependent variables. Data was analysed using quadratic interaction regressions model at P ≤ 0.05 levels of significance, then the working variables were correlated to the pineapple machine peeling efficiency. The investigational outcomes were applied to confirm the predicted optimal settings. Maximal pineapple peeling efficacy of 91.89 % was found at unpeeled weights 3.34 kg, diameter 70 mm and height 220 mm of pineapple. Peeling time recorded was between 9 and 10 seconds, while the predicted best values were: peeling efficiency 90.586 %, weights of peeled (2.495 kg) and peel of pineapples 1.153 kg having desirability 1. The determination coefficient (R2) for machine peeling efficiency was 0.5554; weight of pineapples ranged between 1.66 - 3.34 kg, diameter 53.18 - 86.82 mm and height 203.218 - 236.81 mm, respectively. The differences that occurred between the predicted and investigational rates were minimal and statistically non-significant, which indicated that the designated model can be ably used to calculate the machines’ peeling efficiency.