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Thorough reduction of the machine's self-generated heat to ensure high accuracy
Compared with other Makino machining centers of the same size, static accuracy tolerances were tightened by reducing the allowable range from one-half to one-third. Column stiffness in particular has been substantially increased. In addition, an ultra-high accuracy bed grinder has been installed along with a dedicated ultra-high accuracy table finishing machine developed in-house and a dedicated precision machining center for the lubricating oil reservoir.
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Positioning (with scale feedback) | ±0.0015 mm /overall length |
Repeatability (with scale feedback) | ±0.001 mm /overall length |
Straightness | ( X Axis ) 3μm/1000 mm |
( Y Axis ) 2.5μm/overall length |
( Z Axis ) 2.5μm/overall length |
Squareness | 3μm/500 mm |
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