Last month I was on a commercial tour to learn about different types of machines. I am a science graduate and now working as a marketing associate in a research firm. My primary work involves researching various factories and collecting valuable information about different types of machines. One machine I was very interested in was an oil expeller machine . In this article, I will share my knowledge about my oil extraction machines which I had received during my visit. Although there are many types of expeller machines, oil expeller machines are generally used to extract oil from oilseeds, such as rapeseed, palm kernel, sunflower seeds, castor seeds, linseed, jatropha, cottonseed, peanut, copra ( coconut), mustard seeds, sesame seeds, soybean, sheanut, corn germ and other oil bearing seeds / nuts. This expeller and screw press machine have a pressing chamber in which seeds are thrown from one side of the press. Expeller machines use pressure and friction from screw drive to co...