... host machine is organized by top rail, slide, working-table, workbench, guide rail, uprights, locknuts and adjusting nut.etc. Rely on four uprights ... main frame, The top rail and work-table by locknuts fixed on both ends, the slide installed in the middle of them ... connecting flange connection, rely on the uprights up and down. There are T-slot on the slide and working-table, so that the tools can be ...