Truehole Plasma from Hypertherm (Step by Step)

What is True Hole technology?
• Hypertherm's patent pending True Hole cutting technology produces significantly better hole quality than
what has been previously possible before using plasma.
• This technology was developed for mild steel from gauge to 1" (25 mm), and has been optimized from a
1:1 to a 2:1 diameter to thickness ratio.
Can I use True Hole technology for metal types other than mild steel?
• True Hole technology has been optimized for mild steel only; therefore, it does not provide any benefits
for stainless steel or aluminum.
What are the benefits of True Hole technology?
• Delivers "bolt-ready" quality holes automatically and with minimal operator intervention
• Virtual elimination of hole taper that is typical of plasma cut holes
• Ding is reduced and biased to the outside of the hole providing bolt clearance
• Dross is still present, though it can be easily removed

What can I expect for hole quality improvement?
• The motion of the table is directly related to the quality of the hole. Improvements in hole quality can be
seen on most cutting table systems; however, tables with superior, precise motion control will provide
the best results.
• The graphic below illustrates how table motion matters. If the quality of the hole today is poor (around
a quality level 2 as indicated on the right column), a table with better table motion may be able to deliver
hole quality at a level 4. A table with the best motion may be able to deliver quality at a level 8 or 10.
To some, any improvements made to the hole quality may be sufficient, while to others, having the best
possible output is what matters.
• To best demonstrate the quality of the holes, cut samples should be obtained from the ourselves to see the type of quality that is possible on their machine.

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