
B-65382EN/02 TABLE OF CONTENTS
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1.2 MAGNET PLATE ....................................................................................... 119
1.3 SENSOR ................................................................................................... 121
2 MECHANICAL DESIGN......................................................................122
2.1 MOUNTING COIL SLIDERS ..................................................................... 123
2.1.1 Mounting Surface Precision on the Machine Side ...............................................123
2.1.2 Attaching Accuracy of Coil Sliders......................................................................125
2.2 MOUNTING MAGNET PLATES ................................................................ 126
2.3 LINEAR MOTOR AIR GAP........................................................................ 127
2.4 LINEAR MOTOR ASSEMBLY DIMENSIONS............................................ 128
2.5 ACTIVE FORCE AREA OF THE LINEAR MOTOR ................................... 129
2.6 MOUNTING A LINEAR ENCODER ........................................................... 131
2.6.1 Mounting Rigidity and Noise Protection..............................................................131
2.6.2 Linear Motor and Linear Encoder Directions ......................................................131
2.6.3 Incremental Linear Encoder and Magnetic Pole Sensor Mounting Positions ......134
2.6.4 Absolute Linear Encoder Mounting Position .......................................................138
2.6.5 Distance Coded Linear Encoder Mounting Position ............................................144
2.7 THERMOSTAT CONNECTION ................................................................. 146
2.8 GROUND LEAD CONNECTION ............................................................... 148
2.9 MOTOR AND POWER LINE PROTECTION............................................. 149
2.10 MOTOR HEAT-UP AND COOLING........................................................... 150
2.10.1 Temperature Increase on the Mounting Surface of Coil Sliders ..........................150
2.10.2 Temperature Increase on the Surface of the Magnet Plate...................................151
2.10.3 Cooling Plate Addition.........................................................................................152
2.10.4 Cooling Water ......................................................................................................152
2.10.5 Checking the Normal Operation of Cooling Systems ..........................................153
2.11 VERTICAL AXIS BALANCER.................................................................... 154
2.12 CONSIDERATION OF MAGNETIC ATTRACTION ................................... 155
2.13 AUXILIARY BRAKE MEASURES.............................................................. 156
2.14 PROTECTION AGAINST DUST AND WATER ......................................... 157
2.15 AXIS DESIGN WITH A LOW GRAVITY CENTER..................................... 159
2.16 SCREWS FOR FIXING THE LINEAR MOTOR ......................................... 159
2.17 CONFORMANCE TO STANDARDS ......................................................... 160
2.18 MAGNETIC LEAKAGE AND MAGNETIC SHIELDING ............................. 161
2.18.1 Level of Geomagnetism .......................................................................................161
2.18.2 Magnetic Leakage ................................................................................................161
2.18.3 Magnetic Shielding...............................................................................................162
2.19 NAMEPLATE ATTACHMENT AND SERIAL NUMBER MANAGEMENT .. 163