ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,599, issued on Nov. 18, was assigned to DN SOLUTIONS Co. LTD. (Changwon-si, South Korea).
"Sag compensation apparatus of machine tool and machine tool including same" was invented by Youngkun Jung (Changwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a sag compensation apparatus of a machine tool and a machine tool including the same, in which in case of sag of a cross-rail occurring due to transfer of a saddle and a ram spindle unit, hydraulic pressure compensates for the sag in real time, thereby improving machining precision and maximizing responsiveness and reliability."
The patent was filed ...