| 摘要 |
<p>The present invention relates to a screw manufacturing apparatus comprising: a frame; a moving cart installed to move along the frame; a connecting part which is installed on the moving cart and rotationally connects a wing having a spiral track to a shaft inserted into the edge on the other side; and an aligning part spreading the wing in an axial direction of the shaft to maintain the width of the pitch of the wing when the shaft rotates. The present invention is capable of spreading the folded wing formed along the spiral track with a constant pitch while being in contact with the circumferential surface of the shaft unlike an existing technology.</p> |
