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Waterjet Group -> General Chat & Discussion -> seeking sugestions for cutting travertine
Post Info TOPIC: seeking sugestions for cutting travertine
sdwaterjet


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seeking sugestions for cutting travertine
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would like to hear methods and sugestions for cutting brittle material.  i have a job cutting .75" travertine coming up and i have done some practice cuts in which the material is chipping during the pierce. i have made adjustments to the pressure and abrasive dwell but sure would like to have some addtional info on the best practice for this procedure

i have a 60k flow machine



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brian hess
waterjetphilippines


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i think you need the FLOW Vacuum Asssist  on your cutting head to pierce your brittle materials effectively.



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Realrockdesign


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Travertine is a type of limestone and very soft.

I'd recommend piercing with low pressure and pierce all holes first option
Set dwell to about 10 secs for 3/4" material, 15-20 for 1-1/4 material
Also change the abrasive on setting to .5sec before water on, this way the abrasive feed tube is preloaded to the mixing chamber inlet instead of waiting for the vacuum from the water on to pull it from the abrasive meter.
As well when I'm piercing sensitive material like this I pause the machine after pierce and check the abrasive line for wet abrasive or blockage as it seems my machine like to block the abrasive feed tube with wet carbide after a couple low pressure pierces.


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Waterjet Group -> General Chat & Discussion -> seeking sugestions for cutting travertine
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