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TB254 Rev1 How to Level Machines
How to Level Machine
I Â Â Â Â Â Machine leveling
1 Â Â Â Â Â Select the appropriate leveling feet and leveling screws like what is showing in figure 1 1 Â Move table to the center of travel
use spindle as reference and adjust leveling screw so it reaches leveling feet Â
Â
2      Place two machinist bubble levelers at center of the table  One setup for front and back direction and another set up for left
and right direction like what is showing in figure 1 2 Â
                           i                Adjust level screws locate at four corner of the machine first and do so until the bubble of both leveler are centered Â
                         ii                Next move table forward until end of travel and adjust the two leveling screws located at the front side only until bubble of both
levelers are centered Figure 1 3 Â
                       iii                Move table all the way back until end of travel and adjust the two leveling screws located in the back side of machine until bubble
are centered  Figure 1 4
3      When front back and center are leveled this indicates machine is leveled  Now adjust two leveling screws that located at the
center of the machine lightly for the support of machine  At this time leveler should not exceed more then 1 mark on leveler
indicator
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II Â Â Â Â Â Table tolerances Check
Tolerances X Axis 0 06mm / 1000 mm Y Axis 0 06mm / 1000mm Â
Scraping tolerance X Axis 0 04mm and Y Axis 0 03mm
1 Â Â Â Â Â Move table to the center of travel
2 Â Â Â Â Â Without moving the table place leveler horizontally in respect to X axis at right side left side and center of the table and
check for tolerance  Please see figure 2 1 as example
3 Â Â Â Â Â Without moving the table place leveler horizontally in respect to Y axis at right side left side and center of the table and
check for tolerance  Please see figure 2 2 as example
Document History
Rev1 Created on 2011 12 21
by #358