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HM 1000/1250
10.8 Parallelism between edge locator and X axis
1) How to measure
Install the indicator on the spindle head and
move the grinding side of the edge locator (in
the side of the pallet) in the X direction. The
greatest difference in parallelism is the
measurement.
▪ Tolerance: 0.010mm
2) Correction
If the B axis is crashed, the curvic coupling inside the table is affected by the crash and
mis-positioned accordingly. Refer to "Table Precision" below for the correction.
◈ Table Precision
If the table is significantly affected on the rotating side due to a crash with devices,
parallelism between edge locator and X axis may go wrong. This is because the curvic
coupling inside the table is mis-positioned due to the crash. If this is the case, disassemble
the table and correct the position of the curvic coupling. Otherwise, it may cause a problem
when installing the fixture. For the table precision work, the following tools or parts are
necessary, not to mention your carefulness.
☞ Preparations
(1) Crane or chain block to lift up at least 2 tons of weight ( located vertically from the center
of the table)
(2) M12mm and 16mm eye bolts (two for each size)
(3) Rope to take the exact center of the workpiece (for more than 2 tons)
(4) Gauge to measure the parallelism of the edge locator (ex: test indicator, magnetic stand)
(5) L-wrench set and pipe
(6) Brass hammer or lead lump
(7) Appropriate amount of grease
(8) Pin puller
(9) Other repairing tools
HM1000ISE99
Edge
Locator
X axis
59
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