Automatic Polythene Sheet Making Machine , Pvc Sheet Extrusion Machine

AFSJ-90 Single- screw extruder

Gearbox:

The body of the gearbox is made from cast steel. The teeth deal with grinding and peeling eventually, which provides damping, antifriction, low-noise, long using period etc. characteristics.

The screw:

Screw diameter: 90mm

L/D: 30: 1

Screw structure: special

Material: high quality nitrided steel-38CrMoAIA

Nitration depth: 0.3-0.6mm, hardness≧ 740HV,fragility is 2 grades.

The Barrel:

Material: high quality nitrided steel-38CrMoAIA

Nitration depth: 0.4-0.7mm, hardness≧ 940HV,fragility is 2 grades.

Heating zones: 6 zones

The electric heaters are made of cast aluminum. Each electric heater has a specially designed tunnel for heat radiation.

The fans are featured with imported low lose and high effectiveness.

The whole temperature control system is of Japanese RKC.

Main motor:

Power: 75KW A.C motor (DONGGUAN MOTOR)

Auto hydraulic screen changer

Its special internal structure provides a excellent seal effect

The parts of Screen changer consisted the mould are made of alloy steel, which experienced heat treatment strictly.

Control style: complete hydraulic pressure

T-die

Effective width: 800mm

Material: adopt Japanese advanced heat proof alloy steel

The flows are plated chrome. And the flow surface is polished until it like mirror.

The outlets of the mould can be adjusted with the adjustable screws slightly.

There are 5 heating zones in the mould. Heating power in every zone: 3kw

The heat means: heating inside by bar heaters

Calender roll stack

Structure: inclined style

Roll number: 3

Diameter of roll: 405/405/405mm

Roll length: 850mm

Wall thickness of the roll: ≧25mm

Roll surface treatment: treatment of mirror polishing

The roll adopt Japanese alloy steel, and with hard chrome treatment, the hardness can reach RC60-65

Structure of the rolls is of multi layer compound style water exchange system, which provide good thermostat.

Media: water

Tolerance: ±1℃

The thermostat system controls temperature of the three rolls separately. The temperature of the three rolls can be adjusted individually.

The three rollers system is of individual control mould

Transmission system:

Power: 4kw×3=12kw

One emergency stop system: one

Precise adjusting system for the clearance between the three rolls.

Hydraulic pressure system for Clamping and open-close

Air cooling stand

Number of the transmission rollers: 8

Roller length: 1000mm

Roller surface treatment: plated chrome and half-mirror polishing

Corona treatment

Double sides treatment

Trimming unit

Slitting by disc blade

Haul off unit

Haul off steel roller: one

Diameter of the roller: 240mm

Length of the roller: 1000mm

Surface treatment: plated chrome and half-mirror polishing

Haul off rubber roller: one

Diameter of the roller: 240mm

Length of the roller:1000mm

Surface treatment: coated erosion resistance, heat resistance and friction resistance rubber and polished.

Clamping and open-close means: pneumatic

Equipped with a 3.7kw inverter control

Two- shaft winder

Winding size: 600mm

Control power: 2.2kw*2

Working position: 2

Cutting machine

Machine width: 600mm

Haul off power: 1.1kw (servo motor control)

Cutting machine power: 3.7kw

Discharge method: belt conveyor

The reducer and motor adopt China famous brand