This performance can only be handle driving a gear shaft to rotate and rackshaft to move, but not gear shaft drive gear shaft to rotate.
这种自锁性能只能是手柄带动着齿轮轴的转动及齿条轴的移动，而不能是齿条轴带动着齿轮轴的转动。
2
If the rack is fixed and the pinion is carried in Bearings on a table guided on tracks parallel to the rack, rotation of the pinion shaft will move the table parallel to the rack.
The thesis presents a practical die structure with Angle pin and gear shaft and rack for secondary combined inclined down loosing core of die casting hopper bodies.