This mold is not simple: there is automatic thread core pulling, and thread core cooling mechanism
Sep 13, 2021
Product analysis This product is a check valve used in solar water heater. The material is POM. See the figure below for its appearance. As you can see from the picture above, there are threads on the outside of the product. This is not difficult. There are internal threads on the back, and the central part is not rotatable, as shown below. Demoulding of the product seems to be difficult beca...
