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Does anyone have any experience with using the 152 attached to the EZ router table for cutting 1" plate I am have alot of trouble piercing?
What are you using to generate the cut files (CAM)? You need extra delay on the pierce and make sure your workclamp is on a clean section of the actual material. You need max current flow to pierce 1". Typical rule of thumb: you can pierce (with a 90 deg straight pierce) about 1/2 of the max cut rating of the plasma torch. If it lists 1.5 inches as cut max it will only pierce about .75 cleanly. At 1" and greater the trade-off between plasma and oxy-fuel cutting starts to narrow.
The machine uses sheet cam for the cutting. the 152 boasts that it can cut up to 2" so 1" should be ok. I have put the delay at 3 sec and still have a hard time piercing the material.
Sounds like a job for our new Digital Current Probe (DCP) option for the MP3000E seriesIt measures the actual cut current (non-contact probe on the workclamp wire) and dispalys it on the MACH screen. Product is in beta testing now but only works with our DTHC products.
Short of KNOWING the actual cut current you can't troubleshoot it on the electronics end. A regular AC current probe won't work.
Turn your air pressure up a bit and make sure the air is CLEAN and DRY. Use the right sized nozzle. adjust your pierce height.
Have long, meaningful conversations with the vendors that sold you the equipment.
Best of luck:
TOM Caudle
www.CandCNC.com
While the manufacturer (T-D) claims 1" pierce capability.....that unit will definitely require some special technique in order to accomplish the task! It pierces 3/4" fairly well....to do 1" you would need to pierce...then while piercing raise the torch to work distance to approx. .5 inches....then do a creep start to keep the pierce spatter away from the nozzle. If this is not done you will have very short nozzle life....Other than that...edge starting should be done on everything thicker than about 3/4".
Jim
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