The leading structure with the maize threshing machine has stander frame,feeding gap,rollers,discharging hole etc.when maize goes in the machine,the rollers rotates,friction, Extrusion and propulsion to remove the kernels from the corn cob,as the roller is manufactured from rubber, the kernels will not be broken,this kind is just solitary threshing machine,do https://agriculturalmachinery69023.blue-blogs.com/24892090/a-review-of-food-production-machinery