According to the function, we divide the PPR pipe mould into four different types.
A. Common PPR pipe mold;
B. Self welding PPR pipe mold;
C. PPR pipe joint mold is loosened and ejected;
D. PPR metal over mold pipe mold.
The main technical points of PPR pipe mould.
1. How to avoid shrinkage marks on accessories.
2. How to improve the injection speed.
3. How to realize interchangeable cavity and core.
4. If there are metal bolts or nut inserts, how to realize the automatic feeding of metal parts.
5. Control of injection parameters, which is also very important because of thick wall
PPR tube, pressure holding time, injection pressure and injection speed All of this
Affect the size of ID and OD.