The automatic drop type is a removal method in which a plastic molded product is released from the mold and then dropped directly under the mold without chucking by a robot. When the robot cannot be chucked due to the shape, size, and number of products, the automatic drop type is adopted. The time required for product chucking can be omitted, so the cycle can be increased. Also, since the chuck plate required for product removal is not used, the cost of manufacturing a dedicated chuck plate can be reduced. However, care must be taken because the products may be scratched by collision with each other when dropped, and the products may be caught in the mold by poor product release.
In the case of plastic products such as cylinders and syringes with round shape cannot be chucked by robots, this automatic drop type is often used.