Welding of metal into round pipes or tubes, square frames, boxes, etc. is a billion-dollar industry, known as metal fabrication industry, which had its introduction in the early 20th century. From the beginning of its introduction to mankind, metal bending, welding, metal rolling, cutting, etc. were popular among manufacturers. New methods like laser cutting, Plasma cutting started developing as the importance of metal fabrication grew among people. Very soon stainless steel fabrication, aluminium fabrication, steel fabrication factories were everywhere. Many metal products like fuel line, oil and gas pipe, furniture tubing etc. are fabricated in welded tube mills.
Welding of Steel strip into metal products like, rounded pipes or tubes, square frames, Boxes, structures etc. is a billion-dollar industry, which found its way in the early 20th century. Many metal products like, fuel line, oil and gas pipe, furniture tubing, etc. are fabricated in welded tube mills.
During last 2 decades, OEMs have been applying principals from the tube mills into the gigantic roll forming processing market, which created technology in the same area, known as the welded roll forming.
So what is the main difference between welded roll forming system and tube mill? Which to consider?
But first, you should get familiar with the terms. Traditionally, tube mills are a kind of roll system, which have been fine-tuned in order to run a particular diameter range, mostly at a faster speed.
On the other hand, Welded form systems that include tube mills, welding can occur with the processes like HF (High Frequency) Induction, laser beam welding, electric resistance, HF contact.
In the tube mill, forming machines shape the strip into a circular, weldable item. These forming machines have 2 fundamental parts: breakdown and fin-pass areas. Once welded, the pipe can be left round, however it experiences additionally forming to measure it to a more exact outside distance across. The estimating segment has round move remains with claim to fame reshaping remains toward the exit & a twofold turks-head to finish. Utilized for rectifying, a turks-head has 2 sets of moves, one orchestrated vertically & the second one on a level plane.
Defining the welded roll forming system is somewhat more troublesome. Once more, in the established sense, a tube mill is a sort of a welded roll form system. In any case, on the off chance that somebody alludes to a “welded roll forming system,” he/she is most likely not discussing a tube mill, but rather another roll forming tools ready to frame different, frequently very unpredictable shapes to inside tight resilience.
Like forming in tube mills, with the breakdown & fin-pass segments, welded roll forming systems have a comparative forming setup, with a fin-pass segment happening in the last couple of stands before welding.
While working with non-round shapes, for example, a stage bar, the roll forming system usually frames the structure/shape as it was before the welding. Some in the business call this near-net-shape forming. Other calls this the frame square-weld square process and once that shape is framed & welded, most prescribe no less than two extra passes to work out the welded shapes yet again to finalize the measurements.
For rounded shapes, a tube mill most likely is the best decision. Be that as it may, imagine a scenario where you just need to make rectangles or squares. Imagine a scenario in which you need to have pre-punched openings.
To decide the best machine, think about the qualities and shortcomings of each. Tube mill works in basic shapes. Other than round shapes, they’re equipped for delivering rectangles, squares, and ovals.
In case you’re hoping to frame a couple of entangled shapes, a tube mill might not be the best decision. Forming a few shapes on to the tube mill basically isn’t conceivable, yet a welded roll form mill can frame profoundly confounded shapes promptly.