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Parabolic, elliptical and other non-circular bends are variable-radius bends, also known as multi-radius bends. The funicular form for a member resisting a uniform gravity load is defined by a parabola; therefore, many arches are shaped to a parabolic curve. Elliptical bends can be required where a curved plane interfaces with a skewed plane.
When bending materials to an elliptical or parabolic configuration the radius of the bent section will be changing throughout the arc (or bent section) and stay in one plane. Typically, a bending company would require various working points (rise locations) of the elliptical curve to successfully bend the section. For certain projects Albina will create a full-scale layout on the ground to QC / match the elliptically bent section. At times Albina will also use digital templates in conjunction with a sophisticated camera system to ensure the accuracy of the elliptical or parabolic bends. These methods identify where the part is within and potentially outside the agreed upon tolerances (working points).
Wide Flange Elliptical Bends for Pedestrian Bridge
Round Pipe Elliptical Bends for Restaurant Roof Trusses
Round Pipe Elliptical Bends for Amphitheatre Canopy
Round Pipe Elliptical Bends for Shopping Center
Square Tube Elliptical Bends for Recreational Center
Square and Rectangular Tube Elliptical Bends for Shopping Center
Channel Elliptical Bends for Parking Garage Canopy
It has been a pleasure partnering with Albina on multiple projects; they are at the top of my list of dependable suppliers. Not only can I count on parts arriving on time, but the level of customer service and quality of parts always far exceed my expectations. I truly feel like a valued customer.
Curved steel members don't just "come that way" from the mill. Curved steel members are produced from straight lengths of material and are bent per your specifications.
Albina Co., Inc. produces the highest quality curved steel products in the steel industry and provides the most reliable and professional customer service experience.
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