Process flow:
PVC powder + additive → mixing → spring feeding → twin screw extruder → mould → vacuum calibration machine → haul off machine →cutting machine → stacker or automatic belling machine
Machine List:
1.Conical twin screw extruder
2.Die head. Due to the diameter, it can be single, double and four die head
3.Vacuum tank: due to diameter, it can be designing of single, double vacuum chambers
4.Haul-offs: due to diameter, it can be designing of double, three, four, six, eight caterpillars
5.Cutter: due to diameter, it can be designing of saw cutter or planetary cutter
6.Stacker or automatic belling machine