Do you know the combination of the screw and the cylinder

Clearance between screw and barrel. The fit gap between screw and barrel is involved in the production capacity of extruder, power consumption, service life and machine processing cost. It is easy to process and assemble, but the production capacity will decrease, the retention time of plastic in the cylinder can be difficult to control, and even cause to decompose. It is difficult to assemble and assemble, the power consumption increases, and the screw and cylinder wear can be reduced easily, and the service life of the machine can be reduced.

The gap between the screw and the cylinder shall be determined according to the processing conditions, and the performance of the processed materials should also be considered. General viscosity large plastic, & desirable large value; Viscosity small plastic, & should take small value. The clearance value of screw and cylinder is generally taken (0.002-0.005) D.

Zhoushan city hengda shing plastic machinery factory, specializing in the production of zhoushan screw extruder screw, injection molding machine screw, blown film machine screw, pelleting machine screw, stainless steel screw, conical double screw, according to the parallel double screw, machine screw, rubber double alloy screw barrel, screw cylinder overhaul, screw barrel attachments (screw head, nozzle, mixing top) such as barrel screw manufacturers. The old screw barrel was repaired and the service life was 1-3 times higher than that of ordinary nitrogen-fixing screw.