Garage. Tuesday , April 10th , 2018 - 05:34:14 AM
The shelving support structure or frame will vary in gauge and shape depending on its intended use. The structural members consist of uprights, front & side supports, center supports, cross braces, and some type of fastening system. Not all of these support structure members will be present on every design, but at a minimum will have uprights and front/side supports. The steel support members can be formed into many shapes with the most common being tubular, punched "L" angle, or punched "C" channel. Light tubular style supports are very typical for use in wire shelving systems for light duty to medium duty loads. "L" angle is used for medium duty to heavy duty loads, and "C" channel supports are used for extra heavy duty loads. The "L" and "C" support member steel is punched with square, round, triangular or teardrop shaped holes which allow a variety of fastening systems to be used to join them together.
A common material for pre-manufactured workbench legs and supports is steel sheet. As we discussed in our previous article "A Handy Guide on Shelving Systems for the Home Garage and Workplace", the thickness of sheet metal is called its gauge and the lower its gauge number is, the thicker the steel is. Steel sheet ranges from about 30 gauge to 8 gauge, with thinner 30+ gauge material called foil and thicker 8 gauge or less material called plate. Typical workbench supports range from around 12 to 16 gauge. Stringers and lower shelves add stability and strength to the legs and allow for heavier loads to be applied. They do this by connecting the legs together below the worktop and forming a rigid structure that helps support itself. Without additional support the workbench legs would easily fold under and collapse when weight is applied. The design may favor stringers alone if the workbench is intended to be used while sitting, allowing for the person’s legs to extend under the worktop. Lower shelves may also be incorporated into the design for storage below the worktop surface, and may be partial or full sized shelves depending on its use. Though load carrying capacities are frequently not listed on workbenches, a general rule of thumb is to use a thicker gauge steel support structure for heavier duty workbench applications.
Ramps for Lifting The first type we’ll speak of are ramps. Car ramps can be used to elevate the front end or back end of a vehicle. One ramp goes to each tire and they lift the car about 6" to 18" off the ground. They are reliable supports because the tires rest on them, making a slip or accident almost impossible.
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