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6. Machine Accuracy Measurement and Adjustment
※ Note) L/M Guide Block Liner thickness adjustment (Y-Z)
(1) Refer to the “Y-Z squareness” above to measure the exact squareness.
(2) Calculate the amount of the Liner polishing by calculating the length of
the square ruler and the distance between the Z-axis L/M Guide’s two
blocks.
▪ Since the distance between the two L/M Blocks is 450mm, multiply the
squareness measurement by 1.5.
(3) Take out the liner by sorting the upper or lower L/M Block, polish as
calculated above, and then reassemble.
① If ⓐ is “+,” completely take out the upper side 3 bolts from among the
6 fixing bolts on the upper side L/M Block and slightly loosen the 3
lower side bolts, and then remove the Liner upwards.
② If ⓑ is “+ ”, first put down a wood block of 400mm on the lower side,
apply slight force to the spindle head by moving the Y-axis,
completely remove the two lower side fixing bolts from among the 4
fixing bolts on the lower side L/M Block, slightly loosen the two upper
bolts and then take out the liner to the bottom.
▪ If the liner is not smoothly removed, remove it while moving the Y-
axis in the Handle Mode in the
“- ” direction by increments of
0.01mm.
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