Assembly - December 2008 - (Page 55) Workstations must now be designed to accommodate a variety of workers, because lean production typically encourages sit-down, stand-up or stand-up and move methodologies. “This provides the most flexibility in a lean environment, while allowing employees to move through a range of motion that doesn’t encourage repetitive stresses on the body,” notes Greissinger. “Workstations made from T-slotted aluminum framing are often a good choice, because accessories can be placed anywhere along the T-slot. That allows the workstation to be tailored perfectly to the needs of each worker.” The ability to easily install or remove a wide range of accessories and components is also an important consideration in today’s lean world. This workstation uses a hydraulic lift to raise and lower the worksurface. Photo courtesy Production Basics elements, such as cellular production, 5S and visual controls, all address ergonomic issues. “Ultimately, value is added at the workstation level where products are built,” Lee points out. “Eliminating waste here is just as important as eliminating it through inventory, material handling and other areas.” To address lean initiatives, manufacturing engineers are looking for flexible, modular workstations that can be easily reconfigured. For instance, legs equipped with casters are essential. “Every workstation has to be mobile,” says Rice. “And, everything on the workstation has to be easily adjustable. It’s not just a wrist rest or a footrest. Drawers, monitors, shelves, dividers and bins all need to be easy and comfortable to use. “Height adjustability is also key,” adds Rice. “Manufacturing managers are serious about budgets, return on investment and efficiency. Electrically or hand crank-operated workstations serve several practical purposes. These workstations can be used by different employees throughout the day without sacrificing comfort and safety. Even as a dedicated workstation, the operator has the ability to adjust it to various tasks and how they are physically feeling that day.” www.assemblymag.com December 2008 / ASSE M B LY 55 http://www.siqinc.com http://www.siqinc.com http://www.siqinc.com http://www.assemblymag.com
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