SHJS75-180 two-stage extruder

Configuration of SHJS75-180 Two-stage ExtruderApplicable to materials: PVC cables, low smoke and low halgen, transparent and for medical use, package, color masterbatch Output: 400 800kg/hr, I.SHJS75-180 technical parameters SHJ75Twin-screw extruder L/D 40:1 SJ180Single screw extruder L/D 7:1 SHJ75Twin-screw extruder motor power 110KW SJ180Single screw extruder motor power 55KW II.Machine configuration A.SHJ75twin-screw extruder a)One set of twin-screw metering feeder 1) The feeding motor is an AC motor with a main feeding power of 1.5KW. 2) The Japanese FUJI variable-frequency regulator is adopted for the speed regulating system. 3) The reduction ratio of the gearbox is 17:1 and the screw is double head screw. b) Gearbox 1Reduction ratio3:1 2Output shaft rotary speedMAX500RPM 3Input shaft rotary speedMAX1500RPM c) Lubrication oil cooling system 1 Motor power of oil pump: 1.1KW 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 power of host machine110KWAC motor) 2 Motor rotary speed ( MAX.)1500RPM e) Screw stem 1 Screw diameterΦ71mm, max. diameter D=Φ71mm,min. diameter d=Φ47mm, D/d=1.51, center distance: A=60mm, torque: T=1050N, torque coefficient: T/A³=4.86. 2L/D = 40:1 3 Building block-type screw stem 4 The screw core shaft is made of 40CrNiMoA, and the screw components connect with the core shaft in an involute curve, which features high strength, high carrying capacity, and easy disassembly and assembly. 5The screw components are made of high quality high-speed tool steel (W6MO5Cr4V2) that receives heat treatment with vacuum hardening at high temperature. 6Whole hardness: HRC62 64 f) Charging barrel 1)The barrel is made of #45 steel, and the "8" shape hole is lined with a bush that is made of wearproof alloy a-101(Fe-Cr-Ni-Carbide), which is with hardness as HRC60-64. And the barrel length: L = 290mm/section. 2)The first cylinder is used for feeding materials; the 10th cylinder is for extrusion, and other cylinders are of closed mouth type. The mono-dual connector is equipped with vacuum degasification device. 3) Soft water circulation system g) Heating system Temperature control section Charging barrel section Heating power Type of heating piece h) SJ180 single-screw extruder 1. Screw stem diameter180mm 2. Length-diameter ratio (L/D)7:1 3. Screw rotary speed (MAX.)85rpm 4. The cylinder and screw are made of 38CrMoAlA that is with nitrizing treatment, and the core shaft can be cooled by water. 5. The gears are made of 20CrMnTi, and the lubrication system is self-lubrication inner-cooling. 6. Cast aluminum heater is adopted for single-screw barrel for heating purpose, and air cooling is adopted to cool the barrel. The power of the blower is 0.55kw. 7. Main motor: 55KW (AC) 8. One set of connector (made of stainless steel) with vacuum degasification treatment. which connects the double screw stem and the single screw stem. 9. Vacuum degasification device 1BC-95 water ring vacuum pump manufactured by Zibo Lianyi Vacuum Pump Plant 2Driving motor : 2.2KW (AC) 3Maximum air suction capacity108m³/h 4Working liquid flow0.2 m³/h 5The vacuum pipes are plated with chrome. 6Upper cover with sight glass/peep hole (3 obturating rings) i) Electrical control system a)3X V,AC Hz b) Main electric control components are Siemens products. c)Control buttons are Schneider products from France. d) The main motor is an AC motor with a power of 110KW,and the speed regulator of the twin-screw extruder is the Japanese FUJI variable-frequency regulator. e)The main motor of the single-screw extruder is an AC motor with a power of 55KW,and the speed regulator of the single-screw extruder is the Japanese FUJI variable-frequency regulator. f)The speed regulator of the feeder is the Japanese FUJI variable-frequency regulator. g)The temperature control meter is a product from RKC company, with intelligent double channels and a temperature control in each zone. h) Pressure meter range: 0 25Mpa. i)The electromagnetic valve is imported from Italy. j)Heating is controlled by the temperature control meter via a solid state relay and high temperature-resistant wire is adopted. k)The electric control cabinet consists of temperature control system, driving system and interlock control system.j) Interlock control system B.One set of thermal cutting auxiliary machine Air-cooling die-face pelletizing type a)One piece of hot cutting board, which is with 96 holes. And the diameter of the hole is 2.8mm. b) One piece of hot-cutting cutter holder, with 4 blades. c)One piece of hot cutting granule cover, which is made of stainless steel and is with sight glass or peep hole. d) Hydraulic screen changer, cast copper heater, the motor power of the hydraulic station is 2.2KW. e) Test the fusing temperature of the materials with the fusing temperature thermal couple, and test the materials pressure with the pressure sensor. f) One set of hot cutting granule lathe with a motor power of 1.5KW, and a Japanese FUJI frequency regulator is adopted. g)One piece of Wen Tee coupling (Diameter: 160mm) that connects with the thermal cutting cover. h)One set of first-stage high-pressure conveying blower with a power of 7.5KW. i)The first-stage conveying pipe made of stainless steel (Diameter: 160mm, Length: 8m). j)One piece of first-stage cyclone separator (Diameter: 1000mm), which is made of stainless steel. k)One set of second-stage high-pressure converying blower with a power of 5.5KW. l)The second-stage conveying pipe made of stainless steel (Diameter: 160mm, Length: 8m). m)One piece of second-stage cyclone separator (Diameter: 1000mm), which is made of stainless steel. n) One set of ZS-1.2 vibrating sieve (0.4kW X 2).