| CPC B23Q 11/141 (2013.01) [B23Q 11/0017 (2013.01); B23Q 2717/00 (2013.01); H05K 7/20263 (2013.01)] | 11 Claims |
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1. An apparatus for cooling a ram spindle and compensating for a load, the apparatus comprising:
a saddle installed to be transferred along a cross rail;
a ram spindle installed to be transferred along the saddle;
a transfer unit configured to transfer the ram spindle relative to the saddle by means of a box guideway;
a cooling unit configured to cool the ram spindle; and
a load compensation unit including gibs and configured to adjust a load applied from the ram spindle to the saddle,
wherein the gibs are provided as a plurality of gibs provided inside the saddle, disposed between the saddle and the ram spindle, except for a reference surface with which the ram spindle is in close contact, and installed to correspond to the reference surface in a horizontal direction or a vertical direction,
wherein the transfer unit comprises a driving unit configured to generate power for transferring the ram spindle, and
wherein the reference surface is provided as a plurality of reference surfaces formed on a surface with which an inner part of the saddle adjacent to the driving unit and a part adjacent to an outer edge of the ram spindle are in close contact,
wherein the gibs are installed between the inner part of the saddle, which faces a respective reference surface of the plurality of reference surfaces, and the part adjacent to the outer edge of the ram spindle based on a diagonal line passing through edges of the ram spindle, which are not adjacent to one another, based on the plurality of reference surfaces.
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