Abstract

ABSTRACT THIS paper presents an optimization of commercial potato seed cutting operations. A computer program to simulate conventional rotary-blade cutting machines was developed and was used to predict their performance. The simulation outlined the relationships between cutting machine operating conditions and proportion of acceptable size seed pieces. The simulation was used to define the optimum cut widths and roller spacing of seed cutting machines and the range of seed tuber size to maximize the percentages of acceptable seed pieces. Experimental data from a conventional cutting machine confirmed the simulation results. The simulation results showed that more than 90% acceptable size seed pieces could be obtained using conventional rotary blade seed cutting machines if the cut width and roller spacing were optimized. The results also indicated that tubers over 280 g were not suited for seed tubers.

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