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Jan 8, 2021
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An unusual way to make a perfect right angle bend of a round pipe without a pipe bender

An unusual way to make a perfect right angle bend of a round pipe without a pipe bender

It is impossible to bend a thick-walled large-diameter pipe with a manual pipe bender. This is done in another accessible way. It is suitable in cases where the pipe will not be used for a gas pipeline or water supply, but only as a load-bearing structure.

What you need:

  • Bulgarian;
  • welding machine;
  • paper;
  • ruler;
  • Scotch;
  • marker;
  • putty;
  • paint.

Pipe bending process

Thick-walled pipe

A rectangle is cut out of paper, the length of which is equal to the circumference of the pipe, and its width is two diameters. It folds in half. A line is drawn at the bend, parallels are also drawn on the left and right with an indent of 1 cm.
The sheet is wrapped around the pipe with lines outward, and its edges are connected with tape. Then the pipe is drawn around its edges. Labels are placed on it along the lateral parallels and the sheet joint line. These points are connected.

The sheet is wrapped around the pipe

Along the lines, you need to put transverse marks with a step of 5 mm. Circles are drawn along them. The space between the parallels is left clear.

You need to put transverse risks along the lines

Circles are drawn along them

pipe marked for cutting

A cut is made along each circle with a grinder.

A cut is made along each circle with a grinder

After that, the pipe can bend, depending on the section of the grinder’s disc, up to 45 °. To bend it even more, you need to remove the centers of the strips one by one.

bend depending on the section of the disc

remove the centers of the stripes after one

The side parts remaining from them should be pressed into the pipe. After that, she will bend at a right angle.

The side parts remaining from them should be pressed into the pipe

After that, the pipe will bend at a right angle

Further along the bend, several longitudinal welds are applied.

several longitudinal welds are applied

Grinding the seams.

Grinding the seams

Everything is cleaned and putty.

An unusual way to make a perfect right angle bend of a round pipe without a pipe bender

we clean the pipe

We clean the putty

The resulting knee will look perfect after painting.

The resulting knee will look perfect after painting.

Watch the video

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