twin screw extruder 1.CE Standards 2.L/D:32-64 Diameter:51.5mm 3.Driving Motor:55-90kw 4.Output:150-450kg/h

SHJ-52B Twin screw Extruder

 

I.   SHJ52 technical parameters

     Length-diameter ratio 40:1

     Extruder motor power 75KW AC

II.     Machine configuration

A)    SHJ 52 twin-screw extruder

A. One set of SHJ-50 twin-screw metering feeder

1)    Feeding motor is AC motor, main feeding motor power:1.1KW

2)   Regulating system is FUJI variable-frequency regulator.

3)    Screw is twin-screw, reduction ratio: 17:1

B. Gearbox high speed and high torque series

1      Reduction factor2.5:1

2      Output shaft rotation speed (MAX)600RPM

3      Input shaft rotation speed(MAX)1500RPM

C. Lubrication oil cooling system

1      Motor of oil pump 0.55KW

2      Lubrication oil model: Hai Brand 6402 made in Shanghai, medium load gear oil, model: 85W/90GL - 4.

D. Motor of host machine

1      Motor of host machine 55KW AC motor

2      Motor speed ( MAX)1500RPM

E. Screw

1      Screw stem diameterΦ51.4mm, max. diameter D=Φ51.4mm,min. diameter d=Φ33.8mm, D/d=1.52, center distance: A=43mm, torque: T=415N.M,  torque coefficient: T/A³=5.2.

2      L/D =40:1

3      Screw with modular structure

4      The screw core shaft is made of 40CrNiMoA, and the screw thread components connect with the core shaft in an involute curve, which features high intensity, large load, and easy disassembly and assembly.

5      The screw components are made of high quality high-speed tool steel, W6Mo5Cr4V2, that receives heat treatment with vacuum hardening at high temperature.

6      Whole hardness: HRC62-64

F. Charging barrel

      1.  The barrel body is made of #45 steel, and the "∞" shape hole is lined with wearing proof alloy a-101Fe - Cr - Ni -B+Carbide, hardness: HRC60 - 64, barrel length: L = 210mm/section.

      2. The first cylinder is used for feeding materials barrel, 9th cylinder for vacuum barrel, the 10th cylinder for extrusion barrel and the other cylinders are of closed mouth type. And the concentricity of all barrel bodies is below 0.025mm.

      3. Soft water circulation system

G. heating system0-400oC.

H. Vacuum Degasifier

I. Electrical control system

      a)    3phase  380V,AC   50Hz

      b)    Main electric control components are Siemens products.

      c)    Control buttons are Schroder products from France.

      d)    Twin-screw extruder motor is a AC motor with a power of 55 KW,and the  speed regulator in the twin-screw stem host machine is FUJI variable-frequency regulator.

      e)    The speed regulator in the feeding machine is FUJI variable-frequency regulator. 

       f)    Pressure meter range: 0- 25Mpa.

B)    One set of cutting auxiliary machine

      1) One set of cooling cutting die and cooling cutting moldboard. There are about 9 holes with 3 mm diameter on the die. 38CrMoAlA materials.

      2) One set of 15M stainless steel wind-cooling conveyer belt.

      3) One set of water cooling double bearing pelletizer. LQ-300, AC motor, which power is 4kw(AC). FUJI frequency converter is used to adjust speed.

      4)300kg/h vibrating sieve, the power of vibrating motor :200W. 

      5) Exchange-screen system uses hydraulic fast board exchange-screen device. Hydraulic station motor power:1.5KW(1set),5 pairs screens.

twin screw extruder

SHJ-52B co-ratating parallel twin screw extruder for masterbatches