About True Hole technology
Since its initial release, True Hole® technology has become a mainstay for those who demand high-quality bolt ready holes. Historically, machine operators had difficulty achieving good hole quality directly off the plasma cutting table, with drilling often required as a secondary process. True Hole technology—a patented process for mild steel that virtually eliminates hole taper and improves roundness—produces significantly better hole quality than what was previously possible using plasma.
Key business benefits
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Improves hole quality automatically
Bolt hole quality is delivered without operator intervention -
Competes with laser hole quality
Improved hole quality makes plasma suitable for many jobs previously cut with laser -
Increases productivity
Reduces the need for secondary processes and completes jobs in fewer steps
True Hole eliminates taper and improves roundness
Hole cylindricity
Example based on 0.394" holes, 3/8" mild steel plate, 130 A process
CAM software or CNC automatically applies True Hole technology
Specific combinations of the following parameters, which may vary based on amperage, material type, thickness, and hole size are applied to the job:
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Process gas type
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Gas flow
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Amperage
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Piercing methodology
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Lead in/lead out technique
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Varying speeds across multiple hole segments
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Arc termination synchronized with torch motion
XPR - True Hole processes by thickness
HPR - True Hole processes by thickness
System requirements
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For use with mild steel, up to 25 mm (1")
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Applies to holes where the diameter-to-material thickness ratio ranges from 2:1 to 1:1
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Hypertherm XPR® X-Definition® or HPRXD® plasma system
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ProNest®, EDGE® Connect, or other CAM or CNC software from an authorized partner
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Not recommended for water tables where the water level is at or above plate surface
Where to buy a True Hole-capable machine
For assistance finding an authorized Hypertherm partner in your area, please use the contact form below and be sure to specify your interest in True Hole.
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