Design and development new multipurpose machine for pistachio processing

The greatest pistachio producer and exporter country in the word is Iran. In the last fifteen years, the average production of this commodity was 232000 tons per year, which it is almost 52.5% of the total world production. Fine processing, post processing and transporting of pistachio, have great effects on improving quality, applied value, physical properties and finally marketing of this product. In this study, various methods of pistachio processing in recent years have been carefully investigated and after that, new suitable and multipurpose machine for pistachio processing, have been designed. This new multipurpose machine has capability of adjustable skin removing, cleaning, drying, and feeding individual pistachio for sorting. Some of the advantages of this new machine are simple mechanism; avoid using any complex parts, capability of automation, simple usage, simple maintenance and finally low cost of the machine.