Laboratory Tapered Twin Screw Extrusion PVC Pipe Production Line

Model NO.	EPCT-20
Screw No.	Double-screw
Automation	Automatic
Computerized	Computerized
Certification	CE
Customized	Non-Customized
Condition	New
After-sales Service	a Lifetime
Screw Diamter	16mm
Screw L/D	25/1
Screw Types	Many
Die Heads	Many
Screw Material	38 Crmoala
Compression Ratio	3.0/1
Transport Package	Plywood
Trademark	Hapro
Origin	China
HS Code	9024800000
Production Capacity	100/Year

The table type single screw extruder can be used together with the table type film casting machine and the table type film blowing machine to complete the forming test of film products under the condition of very little amount in the laboratory

Principle
Simulate Production Realistically on a Laboratory Scale ,single screw measuring extruder serves for testing the extrudability of polymers and for studying thesis occurring in research and development as well as in practical application. The single screw extruder system allows a complete instrumentation of the extruders for the control and development of raw material. Different screws, die heads, and downstream equipment fulfill all kinds of extrusion tasks.
Application
In the measuring extruder , the sample material is plastified under practice-oriented conditions and extruded through the die head. All measuring values such as torque, melt temperature, melt pressure are recorded continuously and represented in the form of tables and diagrams parallel to the current test. The extrudate is tested for various criteria:
• Uniform plastification, gloss, gels
• Color dispersion and color matching
• Transparency and formation of streaks, e.g. with transparent materials
• Swelling and contraction behaviour
• Segregation of individual recipe components of a compound at the die and/or at the screw`s tip
(e.g. titanium dioxide)
• Output per unit of time, etc.
 

Drive device

It is mainly used to complete the plastic plasticizing and transportation by uniform rotation for torque setting,Servo motor control screw torque, pre-set torque from touch-screen.

Feeding device

Material depend on its own gravity from the hopper into the screw barrel .According to the properties of material production and processing technology conditions, adjust the volume of feed speed and extrusion in order to achieve the balance.                           

Barrel

It contains materials and screw.


E = feed opening of the extruder
L1= feed section
L2= compression section
L3= metering section
L4= mixing section  
 

Screws

For each measuring extruder, different screws are available.The screws are made of special steel, the flight basis and the lands are chromium-plated. Single- and multi- stage screws with various compression ratios and different lengths are available for testing a large range of materials.


a,It is suitable to extrude materials for example : PP  PE  PVC
b,It is suitable to extrude materials for example : PVC  PP  PE  PC  ABS etc.
c,It is suitable to extrude materials for example : HDPE  LDPE etc.
d,It is suitable to extrude materials for example : PP  PE  PA  PET etc.
e,It is suitable to extrude materials for example : PE  PP  PC  PA etc.
f,It is suitable to extrude materials for example : PVC  PP  PE  PC  ABS etc.
g,It is suitable to extrude materials for example : PP  PE  PA  ABS etc.
h,It is suitable to extrude materials for example : PA  PC  PBT  PET etc.
i,It is suitable to extrude materials for example : PP  AS  PBT  PE etc.
j,It is suitable to extrude materials for example : PP  PE  ABS  PS etc.

Dies
 

The Hapro die heads can easily be connected to the different extruders The die heads can be interchanged quickly and easily. They are heated electrically and have a separate control circuit. The die heads can be disassembled for cleaning. Various die heads are available for specific measuring tasks.


 

• Technical Parameters: 

 

PhotographPerformance IndexPerformance Parameter  Control interfaceHMI MotorAC inverter Motor power0.75 kW ReducerTCG Speed ratio1:15 Screw speed100 r/min Screw Diameter16mm Screw L:D25 :1 Compression Ratio2.4:1or 3.6:1 Speed Range1-100 rpm HeatingElectrical Heating,PID,4 Zones Temp control systemRKC from Japan Heating zone4 Zones Max. Temperature350ºC Heating power1.1 kW Temperature sensorJ type thermocouple CoolingNatural cooling Pressure Accuracy0.5%F.S Pressure Range0.1 ~ 100 Mpa Output1 -5 kg/ hr Feeding speedManual adjustment FeedingScrew metering feed Power supply3×380V,50/60 Hz Dimension (L×W×H)1000×400×350 mm Weight60kg Dies head
(Select two from four)Capillary Die (InnerФ1.0,Ф1.27,Ф2.0 
L:D:20/1,30/1,40/1) Flat Die( L×W:60×1.5 mm) Pipe Die(Inner Ф10, Outer Ф12.5) Coating Wire Die
(Core Ф1.5,Die outlet Ф4.0)