Siemens SINUMERIK 840D

FADAL MACHINING CENTERS
ii TABLE OF CONTENTS MAN-0126_R1
3.1.4 POWER CHECK .................................................................................................................................44
3.2 TRANSFORMER TAPPING ................................................................................................................49
3.3 PHASE CONVERTER ROTARY .........................................................................................................50
3.4 LEVELING ...........................................................................................................................................51
3.4.1 FOR ALL BOX WAY VMCS ...................................................................................................................51
3.5 HOLD DOWN CLAMPS .......................................................................................................................54
3.6 OPTICAL FIBER CABLE HANDLING .................................................................................................55
3.7 COUPLER INSTALLATION ON AXIS MOTOR OR BALLSCREW .....................................................56
3.8 PENDANT INSTALLATION .................................................................................................................59
3.9 GENERAL ............................................................................................................................................60
3.10 CHIP CONVEYOR .............................................................................................................................61
3.10.1 INSTALLATION PROCEDURE ............................................................................................................61
3.10.2 CHIP CONVEYOR POWER AND CONTROLS .......................................................................................62
4.0 MACHINE MAINTENANCE .......................................................................................................................65
4.1 SCHEDULED MAINTENANCE ...........................................................................................................66
4.1.1 MAINTENANCE & LUBRICATION SCHEDULE ........................................................................................66
4.1.2 LUBRICATION OF THE WAYS ..............................................................................................................67
4.1.3 COOLING FANS .................................................................................................................................68
4.1.4 SPINDLE & BALLSCREW COOLING SYSTEM .........................................................................................69
4.1.5 PUMP FILTER ....................................................................................................................................69
4.1.6 TANK RESERVOIR .............................................................................................................................70
4.1.7 FLUIDS .............................................................................................................................................71
4.1.8 DUAL ARM TOOL CHANGER ...............................................................................................................72
4.1.9 SCHEDULED MAINTENANCE FOR DUAL ARM TOOL CHANGER ..............................................................72
4.2 TESTS FOR CE SAFEGUARDS ON FADAL MACHINES ..................................................................74
4.3 CHIP CONVEYOR ...............................................................................................................................76
4.3.1 MAINTENANCE SCHEDULE CHIP CONVEYOR ......................................................................................76
4.3.2 STOPPING THE CHIP CONVEYOR ON US AND CE MACHINES ...............................................................77
4.3.3 RESTARTING THE CHIP CONVEYOR ...................................................................................................77
4.3.4 OBSERVANCE AND INSPECTION ........................................................................................................77
5.0 GENERAL INFORMATION .......................................................................................................................79
5.1 HELPFUL FORMULAS ........................................................................................................................80
5.1.1 TEMPERATURE .................................................................................................................................80
5.1.2 CONVERSION FACTORS ....................................................................................................................80
5.1.3 ELECTRICAL REFERENCES ................................................................................................................80
5.1.4 EXPANSION COEFFICIENTS ...............................................................................................................81
5.2 THERMAL EXPANSION .....................................................................................................................82
5.2.1 OVERVIEW .......................................................................................................................................82
5.2.2 RECOGNIZING THERMAL EXPANSION .................................................................................................82
5.2.3 ACCURACY AND REPEATABILITY ........................................................................................................82
5.2.4 EXPANSION COEFFICIENTS ...............................................................................................................82
5.2.5 HEAT SOURCES ................................................................................................................................83
5.2.6 FRICTION .........................................................................................................................................83
5.2.7 AMBIENT TEMPERATURE ...................................................................................................................83
5.2.8 MACHINING PRACTICES ....................................................................................................................83
5.3 NON-UNIFORM EXPANSION .............................................................................................................85
5.3.1 MATERIAL DIFFERENCES ..................................................................................................................85