Three-dimensional shaping device and three-dimensional shaped object manufacturing method

Abstract

A three-dimensional shaping device includes: a nozzle configured to discharge a shaping material from a nozzle opening toward a stage; a position changing unit configured to change a relative position between the nozzle and the stage; a discharge amount adjusting unit configured to adjust a discharge amount by changing an opening area of the flow path; a pressure adjusting unit including a branch flow path coupled to the flow path between the discharge amount adjusting unit and the nozzle opening, and a plunger configured to move in the branch flow path; and a control unit configured to control the position changing unit, the discharge amount adjusting unit, and the pressure adjusting unit. The control unit is configured to execute an operation of absorbing the shaping material into the branch flow path by moving the plunger and an operation of delivering the absorbed shaping material to the branch flow path when shaping one partial shaped object having a continuous linear shape, and control movement of the plunger such that positions of the plunger at a start and an end of a shaping section of the partial shaped object match with each other.