Hypertherm LR2075 - Manual (Page 8)

TABLE OF CONTENTS
LR 2075 Laser Head Instruction Manual v
ELECTROMAGNETIC COMPATIBILITY (EMC).....................................................................................................................i
WARRANTY ..................................................................................................................................................................................ii
Section 1 SAFETY ...............................................................................................................................................................1-1
Recognize safety information...................................................................................................................................................................1-2
Follow safety instructions .........................................................................................................................................................................1-2
Cutting can cause fire or explosion........................................................................................................................................................1-2
Radiation hazard .........................................................................................................................................................................................1-2
Electric shock can kill ................................................................................................................................................................................1-3
Cutting can produce toxic fumes............................................................................................................................................................1-3
A laser can cause injury and burns ........................................................................................................................................................1-3
A laser can burn eyes and skin ...............................................................................................................................................................1-4
Grounding safety ........................................................................................................................................................................................1-4
Pacemaker and hearing aid operation ...................................................................................................................................................1-4
Moving parts can cause severe crush injuries.....................................................................................................................................1-4
Section 2 SPECIFICATIONS .............................................................................................................................................2-1
Retrofit head ................................................................................................................................................................................................2-2
Requirements ..............................................................................................................................................................................................2-2
Electrical ...........................................................................................................................................................................................2-2
Purge gas...........................................................................................................................................................................................2-2
Cutting gas ........................................................................................................................................................................................2-2
Coolant requirements......................................................................................................................................................................2-2
Section 3 INSTALLATION...................................................................................................................................................3-1
Mounting dimensions ................................................................................................................................................................................3-2
Left side connections ................................................................................................................................................................................3-3
Electrical connections.....................................................................................................................................................................3-3
Capacitive height sensor calibration curve ................................................................................................................................3-4
Right side connections .............................................................................................................................................................................3-5
Digital readout connection.............................................................................................................................................................3-5
Nozzle travel.................................................................................................................................................................................................3-6
Color codes .................................................................................................................................................................................................3-6
Lens installation...........................................................................................................................................................................................3-7
Alignment guides........................................................................................................................................................................................3-8
Crosshair assembly .........................................................................................................................................................................3-8
Aperture assembly ...........................................................................................................................................................................3-9
Acrylic mode-burn procedure .....................................................................................................................................................3-10
Section 4 OPERATION........................................................................................................................................................4-1
Safety ............................................................................................................................................................................................................4-2
FAST Laser nozzles ....................................................................................................................................................................................4-3
Principles of operation ...................................................................................................................................................................4-3
Inspect the baffle..............................................................................................................................................................................4-3
Piercing.........................................................................................................................................................................................................4-4
Mild steel............................................................................................................................................................................................4-4