Positioning - Siemens SINUMERIK 840D Maintenance Manual

2.3 POSITIONING

OCTOBER 2005
1. Place the VMC so that skylights or air vents are NOT directly overhead. Do not
expose the machine to direct sunlight, or any other heat source. Do not place the
machine in an area that will expose the machine to moisture, standing water, liquid
or rain.
2. Ensure there is adequate room behind the VMC to fully open the rear cabinet door.
Minimum clearance behind the machine is two feet (24"/ 60.96 cm.)
Figure 2-3: 24" Minimum Clearance Behind VMC
3. Ensure adequate ceiling clearance for the Z axis conduit with the Z axis in the
Z+4.0" (10.16cm) position. VMCs with the Extended Travel option require an
additional 8.0" (20.32cm) vertical clearance.
Table 2-4: Minimum Ceiling Clearances (inches/metric)
Regular Column (Z+4.0"
(0.35m))
Extended Column 28.0"
(0.7m)
PRE-INSTALLATION PROCEDURES
SIEMENS MAINTENANCE MANUAL
VMC VMC
2216, 4020
3016
97.00" 98.00" 126.00"
2.56m 2.5m 3.2m
105.00" 106.00" N/A
2.67m 2.7m
VMC VMC VMC
6030, 3020, 6535
8030 4525
127.00" 140.00"
3.22m 3.55m
135.00" N/A
3.43m
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