Most likely your arc voltage setting is to low. Increase the set voltage until it runs at the correct height, which is .06". If you are not sure how to do this contact Machitech technical service. Jim Colt. Hypertherm
QUOTE=mrobs;2114522]I have a machitech EC 300 plasma table hooked up to a 105 hypotherm plasma ... when I run a program my tip drags on the part getting cut anyone explain why it's doing this ?[/QUOTE]