New Shrink Fitting Video Posted

We just posted a new video of shrink fitting parts on our YouTube channel. This was a very interesting process to witness, so we wanted to share with our followers.  This video features Dave and Alex doing the shrink fitting. Shrink fitting is done using thermal expansion. These parts would not go together unless one expands and the other shrinks. First, you’ll see Alex heating the roller up using a torch. He heats it up to about 900 degrees, causing it to expand. Then, you’ll see Dave cooling the sleeve using liquid nitrogen. The liquid nitrogen is about -320 degrees and causes the metal to shrink. Finally, you’ll see Dave and Alex slide the parts together. Once the parts acclimate to one another and become the same temperature, they are permanently shrunk together.