| 摘要 |
An injection molding machine includes a ball screw shaft (48a, 148a) and a ball screw nut (48b, 148b) constituting a ball screw mechanism (48, 148) for converting a rotational motion into a linear motion; a rotation driving unit (45, 145) configured to rotate the ball screw shaft; a shaft bearing (51-53, 151-153) provided around the ball screw shaft (48a, 148a); and a lubricant supplying unit (60, 160) configured to supply lubricant, which is to be supplied to the shaft bearing, to the ball screw mechanism before supplying the lubricant to the shaft bearing. |
