When the preform injection weight, neck finish dimensions, or stress line conditions exceed the process control limits, double sampling shall be conducted for measurement.

A blow molding machine is a device used to produce bottles. It transforms softened plastic (in a liquid-like state) or pre-made preforms into finished bottles through the process craftsmanship of professional technicians.

When operating a fully automatic blow molding machine, it is essential to thoroughly inspect whether the power supply and control system, heating system, air compressor supply system, and other components are all functioning properly.