Patent ID: 9058030
Filing Date: 2015-06-16
Classification: B23Q,G05B,Y10T

Abstract:
1. A horizontal machine tool including; a column provided on a bed to be movable in a horizontal direction; a saddle supported on a lateral surface of the column to be movable in a vertical direction; and a ram held by the saddle to be movable in a horizontal direction and provided with a main spindle at a front end, the horizontal machine tool comprising: a ram tension bar configured to correct deflection of the ram; a suspending force correcting mechanism configured to correct inclination of the saddle by adjusting suspending forces at two positions for suspending the saddle; a column tension bar configured to correct bending of the column; and a control device configured to control the ram tension bar, the suspending force correcting mechanism, and the column tension bar and having a spatial accuracy correcting function of correcting a spatial accuracy by numerical control, wherein the control device