Mechanical forming an expansion joint - GIF

[Altair]

Mechanical forming an expansion joint.




Previously:

Copper pipe forming compilation - GIFs
Six-way copper pipe joint - photo
CO2 pipe freezing clamp - GIF
Pipe tee flaring tool - GIF
Copper pipe press tool- GIF

[Tooler2]

I tuned in to see how it was done, imagine my disappointment.

[Frank S]

I tuned in to see how it was done, imagine my disappointment.

like you my interest was in the mechanics of the process

[FEM2008]

Here is one example of the internal mechanism

[sossol]

This video shows the process:

.
The short version is that there's a ring that expands on the inside. I think that the machine rotates once per cycle because the ring is segmented, so can't press evenly in a single stroke.

Neil

[old kodger]

Fascinating piece of machinery but it does seem to epitomize the comment by an old farmer. "I can get any amount of people to help me on the farm, so long as I buy a machine that does 95% of the work".