SJSZ系列锥形双螺杆挤出机，配以相应的螺杆和辅机，可将各种热塑性塑料特别是硬聚氯乙烯粉料直接挤出成管、 板、片、膜及异型材等，也可完成对各种塑料的改性及粉料造粒过程。

本机采用直流电机或交流电机，可控硅无级调速或变频调速，设有过载保护和故障报警、螺杆芯部油循环恒温、机 筒风冷却，并装有真空排气管装置和定量喂料装置。

SJSZ series Extruders with apporpriate screws,dies and other auxlilaries can directly convert thermoplastic expecialy RPVC powder into Pipe,plate sheet,film and profile,and also Provide function of modifying and Pelleting.The extruders is drived by D.C motor with a ousde of barels ae cooled bywnd,er iucions ncudevacum vening and forced feeding.