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6. Machine Accuracy Measurement and Adjustment
④ Loosen two bolts diagonally from among the Bearing Housing Fixing
Bolts (6-BB10ⅹ45), insert two M10 full thread screws into each M10
Nut and insert them to the positions from which the fixing bolts have
been removed diagonally, place one nut at a point 40mm away from the
housing entrance, with the other positioned very close to the entrance,
and then loosen all other fixing bolts that have not been disassembled.
▪
One is a safety device designed to prevent the spindle cartridge from
falling when all of the bearing housing fixing bolts have been
loosened, and the other is used when slowly lowering the spindle
cartridge downwards.
⑤ Using a spanner to rotate the nut which makes contact with the
bearing housing, lower the spindle cartridge to the position where the
adjusting liner can be taken out.
▪ Due to its own weight, the Spindle Cartridge falls naturally. W
being lowered, check whether the various sensor cables, air tubes,
etc. on the upper side are being pulled.
(3) When measuring squareness, if X- gives “+ ”, remove the left side liner,
polish the liner as calculated, reassemble and tighten the fixing bolts. If X-
gives “- ”, follow the same procedure for the right side liner.
(4) Reassemble the Tubes, Connector, Hoses, Fitting Cover, etc.
(5) Reassemble the bearing housing, measure the squareness and repeat
the process until a satisfactory result has been obtained.
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