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Videos used on this site
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This page lists all the YouTube videos we link to on this site.

Video of OMAX rotating material holder.


This video shows a waterjet cutting a small design from what looks like 1/4" aluminum. The cutting takes place above water which makes it noisier, but easier to see what's happening. This is only the last part of the cutting, but note the intricate shape that the waterjet achieved.


In this video below, a waterjet nozzle is raised a few inches above the work surface, and fired for a few seconds into the air. Keep in mind that there is about 30 horsepower going through that little stream of water.


This video was taken at the Westec trade show some years ago (1997 or so). The video shows cutting from various angles, with narration.



A large mouse-pad, that is designed to wrap around a keyboard, is cut from foam.


Waterjet cutting with tilting head.


In this video, note the fixturing used to hold the plate in place. There are several large weights placed on top of the sheet to keep it from floating away or being moved by the water pushing up. Two blocks on either side keep it from wiggling back and forth.

 


The following video shows graphite insulation being cut by a pure waterjet over waterjet brick. Note that there is no fixturing needed, because the sideways forces are negligible and the waterjet brick is keeping backsplash from moving the graphite material. The waterjet brick also prevents frosting and marring of the bottom of of the pieces from backsplash.

 


The following slightly goofy video provides a good overview of the waterjet cutting process. A few things to note about the video:

  • They're using an OMAX 55100, a medium-size waterjet
  • Note the fixturing: there are several weights on the sheet of material to hold it down. Along the two edges are clamps that push against the side of the tank, keeping the material from moving sideways. In a piece as intricate as the one they're cutting, this is particularly important, as any movement will cause a ragged edge.
  • You can clearly see the slats that the material rests on (and these slats look fairly new).
  • They make a "dry run" before making the part. A dry run has the head move along the cutting path without any water or abrasive and is a good way to make sure that the head won't run into fixturing (the weights) or move off the material.
  • The cutting is done under water.
  • The nozzle is covered with a "muff"--a piece of sponge foam that reduces splashing, although it does hide the actual cutting, making the video less exciting.
  • The reddish material you see on top of the material during cutting is garnet abrasive.
 
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