Double Layer Sheet Extruder(PP/PS/PE)


This machine is designed to produce plastic sheet for thermoforming/vacuum forming purpose or stationery use, which is composed of 8 parts  2 extruder part, filter part, Die-head part, 3 rollers part, traction part, winding part and side trimming part.




Suitable material


Material thickness


Sheet structure

1-3 layer

The sheet width

400-750mm (die-head width 900mm)

The main screw

110mm; L/D 33:1; The sub screw diameter 80mm; L/D 33:1

Screw & barrel material

38 CrMoAlA after nitrogen treatment with optimum hardness, strong corrosion resistance and long service lifetime

Screw rotate speed


Speed adjustment

Frequency inverter

Drive motor power

main motor is 90kw; Sub motor is 45kw



150-250 kg/hr;

Heating way

aluminium-casted heater


Applicable Material

It is used for produce various plastic sheet of PS (polystyrene) or PP/HIPS (polypropylene), which can be widely used for produce plastic cup, plastic bowl,plastic tray and blister, stationery packing manufacture forming.  


Main Parts 

Filter part

(1)Its special internal structure provides a excellent seal effect,

(2)The parts of Screen Changer consisting the mold are made of alloy steel, which experienced heat treatment strictly.                           

(3)Control style: complete hydraulic pressure   

(4)Pressure adjuster: one

(5)Motor Power: 2.2KW

The main motor of 75kw, the extra motor of 30 kw

The main filter of 150mm, extra filter of 125mm

The details description of forming machine

The drum and of extruder

The heater of extruder

Now we are adopt new design and protect the heater cover to make temperature heating with stable.

 Die-head part

The sheet width:400-750mm (die-head width 900mm), the mould material adopt high quality P20 use for extruder die.


Three calender roller part

(1)Roller dia.: first roll and second roll of 450mm, the third roll of 300mm.

(2)Roller length:900mm

(3)Roller no.: 3 pcs

(4)Rollers reach to "mirror surface" standard

 (5)3 rollers layout: inclined or vertical

(6)Roller linear speed: 0-13m/min

(7)Driving motor: 3.0kw x3 (independent control )

(8)Wall thickness of the roll: ≥25mm

(9)Roll surface treatment: 14 grade super treatment of mirror polishing.

(10)Cooling Media: water

(11)The three rollers are controlled by three motors.     

(12)The rotary speed of the rollers will be adjusted synchronously.

(13)Self-lock style forward and backward movement system of the calender, which is controlled by 3-phase induction Motor.

Cooling system of three roll, its could be make sheet surface more level off and material could be cooling better to keep material good quality in production , its good for produce thin thickness material and PS material .Traction part of extruder.


Our company 


     DABAPLAS company always adhere to the principle of "survive by quality,relying on science and technology to promote development", adopts a modern

     technological layout,implements scientific management and completes the quality system throughout the production process.

       Our products mainly include:Plastic positive and negative in-mould cutting thermoforming machine,Full automatic BOPS contact- heat plastic thermoforming

       machine, Multi-station positive and negative thermoforming machine, Automatic plastic cup thermoforming machine, Cup counting and packing machine,

       Automatic vacuum forming machine, Multi-station vacuum forming machine,Automatic PP/ PET/PS/ PVC extrusion, Online crusher, Plastic bag making machine,etc.

       We will make sure that all our clients are completely satisfied in terms of quality of the products delivered to them.                                                View more>


The Exhibitions We Have Participated In 





1. Pre-sales Service

DABAPLAS MACHINERY has a specialized and efficiency working team. If you are new on the plastic forming machine area,we are glad to give you specialized suggestion of the whole work.

2. Shopping Service

DABAPLAS MACHINERY has a specialized and independent department to arrange the shippment. We will prepare all the necessary documents so as to arrange the delivery smoothly,

we cooperate with the most famous shipping company in China,they could provide the best and economic shipping ways to destinaion.

3. Installation Services

Installation Services are avaliable with DABA Company machines. We could dispatch technician to the Buyer's factory for installation and preparation of the machines.

The buyer needs to supply the round trip tickets,food,hotel cost and daily salary.

4. Cilents Training Services

The buyer could aslo send your own technician come to DABAPLAS factory to learn how to operate machines,Our technician will teach and train the learners hand by hand till he operate machine by himself.

5. After Sales Service

DABAPLAS Company machines guarantee time is one year. Many easy broken spare parts will be prepared in tool box together with machines.


Package and shipment 

1. Our standard packing method is film wrapping.

2. Wooden case packing can be provided as required and the cost will be charged.

3. The delivery date of  machine is within 45 days per set.

4. Shipment in Ningbo port or Shanghai port, China



Q:What's your delivery date?
A:Usually finish the production within 45 days after received your 30% advanced payment, actually need to check according our stock & production plan.

Q: Terms of payment?
A: We accept T/T with 30% in advance and 70% before shipment. Also we could accept L/C at sight.

Q: How many days will the finish installing ?
A: We will finish installation and training within 15days.

Q: How long is your machine's warranty period?
A: All our machine have one year guarantee, starting from the day when finished installation.

Q: How could we do after one year warranty period?
A: We provide 1 year warranty. Within the warranty period, we provide free machine parts and repair service but not including shipping cost if it is not caused by human factors. After 1 year, we provide lifetime service with affordable charge.

Q: How many worker do we need to operate those machines?
A: Usually one machine needs 1-2 operators.

Q: Could you supply raw materials?
A: We can help you to order the raw materials and arrange the shipment together with machines.