Bending pipe to a tight radius often requires the use of an internal mandrel to keep the round pipe from becoming oval, wrinkling or cracking during the bending process. Original equipment manufacturers (OEMs) usually do not have the expertise to Read more…
Category: Special Bending
Dan
Bending, Special Bending
May 27, 2016
What is the difference between a port cochere, a canopy, a portico, and a baldachino? Each one of these terms describes a structure that is usually subsidiary to the main building and that serves both an ornamental and practical function. Read more…
Mo
Circular Staircases, Special Bending
May 22, 2016
Recently, a miscellaneous steel fabricator came to me with a very challenging project for circular stairs. They were looking to make a curved monumental staircase using 20 x 8 x 5/8 rectangular tubes. The stair was elliptical, had a reverse Read more…
Mo
Bending, Channel Bending, Special Bending
May 22, 2016
When one considers ways to bend a large channel flanges-out to a minimum bending radius, doing a mandrel bend is one alternative. A recent requirement was for more than 200 rolled channel, bump protectors to cover cement columns in an Read more…
Ken
Special Bending
May 22, 2016
When a steel part is specified to be bent to a short radius, it is important to know how to mandrel bend pipe and other sections. A short radius is usually somewhere below 6-7 x the diameter or depth of Read more…
George
Beam Bending, Bending, Special Bending
May 24, 2016
The bending of beams can contribute to sustainability as is evident in the mile-long walkway at Dos Lagos. The walkway is made of 213 pieces of curved beams weighing a total of 45 tons of steel formed by multi-radius bending: Read more…
Mo
Bending, Special Bending, Tube Bending, Uncategorized
May 22, 2016
Questions about surface finish often arise when there is a requirement for bending stainless tubes for circular stair handrails. Will the helical tube bending process damage the finish? And what if the project requires bending polished stainless tubing? What if Read more…
George
Bending, Special Bending
May 22, 2016
Mandrel tube bending of steel is a method for bending square, rectangular, and round tubing as well as pipe. As with any method of bending steel, mandrel bending, which is typically done on a rotary draw bender, has its strengths Read more…
George
Circular Staircases, Plate Rolling, Special Bending
May 22, 2016
The monumental circular staircase at the Drexel University Integrated Sciences Building were created by helical steel plate rolling of 68,000 pounds of 2 inch thick, 16 inch deep solid plate stringers. 2 x 16 steel flats were rolled to a Read more…
Dan
Bending, Circular Staircases, Special Bending
May 22, 2016
Circular staircases can wind up-right or up-left. Saying that the staircase curves in a clockwise or counter clockwise direction is ambiguous: Is it the direction as seen from the bird flying above or as seen from the worm below? Alternately Read more…
