The present invention relates to a sewing machine, a motor configuration region is arranged on the different position of the discharging hole for configuring principal axis motor, X motor, Y motor, theta motor etc, wherein the discharging hole is disposed on the junction of the upright post, the area between the motor configuration region and the forming part of discharging hole is spaced by the dividing wall projecting towards downside from the bottom of the substrate frame. This arrangement prevents the used lubricating oil introduced from discharging holes from getting into the electric motor arranged in the motor configuration region.