Cold feed screw extruder

120 Cold feed screw extruder

Technical parameter

1.Applicable product size: rubber hose with a minimum specification of φ13mm (inner diameter) and a maximum specification of φ76mm (inner diameter).

2.Φ120*16D Pin Cold Feed Extruder

Screw diameter: 120mm

Screw aspect ratio L/D: 1:16

Screw speed rmp: 43rmp

Center height: 2500px

Screw material: 38CrMoAIA

Screw working surface treatment: the hardness of the desalination layer ≥HV900, the depth of the desalination layer ≥0.5mm

Barrel working surface treatment: alloy layer hardness ≥HEC62, alloy layer degree 1.5-2mm

Feeding section bushing material: 38CrMoAIA

Feeding section bushing face treatment: desalination layer hardness ≥HV900, desalination layer depth ≥

0.5mm

Drive motor power (Kw): DC110

Gearbox: with hard tooth surface, gear material is carburized, quenched and ground with high-quality low-carbon alloy. The gear pair transmission accuracy is grade 6. Under full load, the gear noise is less than 85db. The gears and bearings in the reduction box are lubricated with thin oil, and there is a lubricating oil cooling device.

Maximum glue discharge (inorganic head): 750kg/h, because the glue discharge is related to the formula of the product, a 15% error is allowed.

3.Machine head

Maximum working pressure (Mpa): 45

Head drive mode: manual

Head pressure sensor: domestic

Head temperature sensor: domestic

4.Temperature control device

The total number of temperature control units in the whole machine: 4 units

Extruder temperature control unit: screw, plasticizing stage I, plasticizing stage II, extrusion section

Head temperature control unit: 1 unit

Temperature adjustment range: 45-95℃

Control accuracy: ±1.5℃

Temperature control principle: closed-circuit circulation, heat exchange water for cooling or heating, and softened water for internal circulation