These units come in a variety of styles and sizes and are custom designed to fit the application. They include master panel stackers, siding stackers, high speed grade-line stackers, and fork stackers. For feeders both rake and vacuum style systems are produced.Feeders: Machines that accept stacks of panels and singulate them onto a panel processing line. Most Feeders fall into two generic types: "vacuum" and "rake". Feeders are customized to suit the type and size of panel and the feed rate required.Stackers: Machines that accept individual panels from a panel processing line and accumulate them into stacks. Stackers fall into four generic types: "Grade", "Master", "Primary" and "Fork". Stackers are customized to suit the type and size of panel to be stacked and the stacking rate required.