Hypertherm Powermax 65 Service Manual

powermax 65/85 Service Manual 4-1
Section 4
OPERATION
In this section:
Controls and indicators .........................................................................................................................................................................4-2
Rear controls .................................................................................................................................................................................4-2
Front controls and LEDs ............................................................................................................................................................. 4-2
Status screen ................................................................................................................................................................................4-4
Operating the Powermax65 or Powermax85 ................................................................................................................................... 4-6
Connect the electrical power, gas supply, and torch lead .................................................................................................4-6
Attach the work lead to the power supply .............................................................................................................................. 4-7
Attach the work clamp to the workpiece ................................................................................................................................4-8
Turn ON the system .....................................................................................................................................................................4-9
Set the operating mode switch ................................................................................................................................................. 4-9
Check the indicators ................................................................................................................................................................. 4-10
Manually adjusting the gas pressure ..................................................................................................................................... 4-10
Adjusting the current (amperage) .......................................................................................................................................... 4-11
Understanding duty-cycle limitations .................................................................................................................................... 4-12
Using the hand torch ........................................................................................................................................................................... 4-13
Operate the safety trigger ....................................................................................................................................................... 4-13
Hand torch cutting hints .......................................................................................................................................................... 4-14
Start a cut from the edge of the workpiece......................................................................................................................... 4-15
Pierce a workpiece .................................................................................................................................................................... 4-16
Gouge a workpiece .................................................................................................................................................................. 4-17
Common hand-cutting faults .................................................................................................................................................. 4-20
Using the machine torch .................................................................................................................................................................... 4-21
Ensure the torch and table are set up correctly ................................................................................................................. 4-21
Understand and optimize cut quality ..................................................................................................................................... 4-21
To pierce a workpiece using the machine torch ................................................................................................................ 4-23
Common machine-cutting faults ............................................................................................................................................ 4-24

Hypertherm Powermax 65 Specifications

General

Open Circuit Voltage (OCV)	300 VDC
Gas Supply	Clean, dry, oil-free air or nitrogen
Maximum Cut Capacity (Mild Steel)	1" (25 mm)
Input Voltage	200-600 V, 1/3-PH, 50/60 Hz
Output Current	20 – 65 A
Duty Cycle	50% @ 65 A
Recommended Gas Inlet Flow Rate/Pressure	6.7 scfm @ 85 psi
Torch Lead Length	25 ft (7.6 m)
Maximum Cut Capacity (Aluminum)	5/8" (16 mm)
Severance Cut Capacity (Mild Steel)	1-1/4" (32 mm)
Maximum Severance Thickness	1-1/4 in (32 mm)
Gas Type	Air/Nitrogen
Torch Options	Hand Torch, Mechanized Torch