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  1. Make sure the garnet tube is connected to nozzle head and flip yellow guard down.

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  1. Close lid

  2. RunBegin Machining > Start. Make sure you can see the red garnet going through the tube from the hopper into the machine. (If you don’t see this and the part is not being cut, follow steps below for unclogging the nozzle.

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  1. Rinse part and take it out

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  1. Tell Abby Speckhals if this happens so someone can help if its you’re first time encountering this problem

  2. Disconnect garnet tube from nozzle head and from hopper

  3. Blow air through the garnet tube from the hopper side to the nozzle side to get any water out

  4. Pull yellow guard down and off of the nozzle

  5. Use green-handled in-line torque wrench to loosen thumb screw and wiggle the nozzle out

  6. Make sure machine head is positioned between two slats of the bed. Run a cutting head test to clear out head of waterjet. You should still have the garnet line disconnected so just water is pushed through.

  7. Reinstall nozzle upside down in the head of the machine. Tighten thumb screw with the torque wrench.

  8. Run another cutting head test to clear out the nozzle. Make sure the flow appears uniform.

  9. Reinstall nozzle correctly in the machine. Reconnect the garnet tubes.

  10. Run a final cutting head test making sure you see garnet being sucked through the tube from the hopper.

  11. If you still do not see garnet in the tube, there is probably a water clog at the bottom of the hopper. Take the hopper off of its mount and dump the garnet on the top that is definitely dry back into the bucket of extra garnet. Discard the small amount of garnet at the bottom that might be wet. Use the air gun to blow out the metal attachment at the bottom of the hopper.

Fusible Link Settings

Place a piece of 1/16” thick aluminum under the fusible link nickel stock to be the sacrificial layer. Set the material to 0.004” thick Aluminum 6061.

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Carbon Fiber Settings

Note

The more plies in a layup, the greater the risk of delamination during waterjetting. If this is a concern, drill starting holes prior to waterjetting to reduce the risk.

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