With its specially developed software, tenon dimensions can be programmed parametrically and stored in memory. The tenon thickness, tenon width, vertical position of the tenon, horizontal position of the tenon and tenon posture angle can be easily adjusted on the control panel. The cutters moves from the work-table to the work-table for processing. While there is a process on one of the work tables, the operator can feed parts to the other work table. Therefore, there is no waste of time and an increase in production is achieved.