GSI Group - Laser Division
JK300HP/JK300P/JK125P
Issue 2.0
Pre-installation and User Manual
Part No: 1EA300E01
Page xiii
9.11
Focus lens cell Replacement Procedure......................................................... 142
9.11.1
Materials............................................................................................ 142
9.11.2
Replacement Procedure ................................................................... 142
9.11.3
Cleaning Procedure .......................................................................... 144
9.12
Focus Lens Replacement Procedure.............................................................. 146
9.12.1
Materials............................................................................................ 146
9.12.2
Removal Procedure .......................................................................... 146
9.12.3
Installation Procedure ....................................................................... 148
9.13
Surge Suppressor Replacement Procedure ................................................... 150
9.13.1
Materials............................................................................................ 150
9.14
Bulb Replacement Procedure ......................................................................... 152
9.14.1
Materials............................................................................................ 152
9.15
Bendlock Assembly......................................................................................... 153
9.15.1
Assembly Instructions ....................................................................... 153
9.16
Pointing Diode Replacement........................................................................... 154
9.16.1
Materials............................................................................................ 154
9.16.2
Replacement Procedure ................................................................... 154
9.16.3
Alignment Procedure......................................................................... 156
10.
Laser Processing...................................................................................................... 159
10.1
Overview ......................................................................................................... 159
10.2
Welding with Pulsed Lasers ............................................................................ 159
10.2.1
Pulse energy ..................................................................................... 160
10.2.2
Peak Power....................................................................................... 160
10.2.3
Pulse frequency and overlap............................................................. 160
10.3
Welding in Continuous Wave Mode ................................................................ 161
10.4
Welding in Modulation Mode........................................................................... 161
10.5
Jigs and Fixtures ............................................................................................. 162
10.6
Shielding Gas.................................................................................................. 162
10.7
Fume and Spatter Control............................................................................... 163
10.8
Material Welding ............................................................................................. 164
10.9
Cutting in CW Mode ........................................................................................ 164
10.10
Cutting in Modulation Mode ............................................................................ 165
10.11
Cutting Fixtures ............................................................................................... 165
10.12
Cutting Assist Gas........................................................................................... 165
10.13
Inert Assist Gases ........................................................................................... 165
10.14
Cutting Different Materials............................................................................... 166
10.15
Process Preparation........................................................................................ 166
10.15.1
Choice of Focused Spot Size............................................................ 166
10.15.2
Part/Focus Position ........................................................................... 166
10.15.3
Weld Shape, Cut Width and Joint Strength....................................... 166
10.15.4
Cover Slide Damage ......................................................................... 167
10.15.5
Processing Access............................................................................ 167
10.15.6
Finding Focus.................................................................................... 167
10.15.7
Welding ............................................................................................. 167
10.15.8
Cutting............................................................................................... 169
10.16
Optimisation .................................................................................................... 170
10.16.1
Use of Ramp Up and Ramp Down.................................................... 170
10.17
Record Keeping .............................................................................................. 170
11.
Spares........................................................................................................................ 171
Petitioners Canadian Solar Inc. and Canadian Solar (USA) Inc.
Ex. 1025, p.
xiii
