Hypertherm Powermax 125, Руководство по обслуживанию

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Powermax125 Service Manual 808070 51
Section 4
Hand Torch Setup
Introduction
Duramax Hyamp series hand torches are available for Powermax125 systems. The FastConnect quick-disconnect system
makes it easy to remove the torch for transport or to switch from one torch to the other if your applications require the use
of different torches. The torches are cooled by ambient air and do not require special cooling procedures.
This section explains how to set up your hand torch and choose the appropriate consumables for the job.
Consumable life
How often you need to change the consumables on your torch will depend on a number of factors:
 The thickness of the metal being cut.
 The average length of the cut.
 The air quality (presence of oil, moisture, or other contaminants).
 Whether you are piercing the metal or starting cuts from the edge.
 Proper torch-to-work distance when gouging.
 Proper pierce height.
 Whether you are cutting in “continuous pilot arc” mode or normal mode. Cutting with a continuous pilot arc causes
more consumable wear.
Under normal conditions, the nozzle will wear out first when hand cutting. As general rule, a set of consumables lasts
approximately 1 to 3 hours of actual “arc on” time for 125 A hand cutting. Cutting at lower amperages may yield longer
consumable life.
You will find more information about proper cutting techniques in Hand Cutting on page 57.