Description Overview Polypropylene tape line extruder with 15 tons daily capacity Model: SJMS-Z120×33-1600×8 Year: 2012 Hengli Machinery polypropylene tape line extruder Bought in 2021 and used only 3 months All parts renewed from beginning to end Machine is in very well condition For the processing of PP tapes Specially designed two stage stretching Specifications Die width: 1600 mm Net working width: 1450 mm Operating line speed max: 500 m/min Melting capacity max: 600 kg/hr (PP material) Total installed capacity: 390 kW Power consumption approx: 235 kW (including 264 spindles) System designed for production of tapes for variety of applications, mainly stretched tapes for packaging Can be equipped at extra cost to produce fibrillated tapes, folded tapes, low shrinkage tapes, etc. Winders: 264 spindles of inverter winders (Model: SHW-230) Processor Control All control loops are centrally managed Temperature control operates with automatic optimization ensuring quick heating of the line All driving units communicate with computer programmable control via serial power link for high precision and short cycle times Functions performed: recipe management, alarm management, issue of reports for machine parameters (speeds, temperatures, stretching ratios) Hardware consists of an industrial PC with display or screen as well as a computer programmable control All machine parameters for different tape qualities can be stored in recipe management and called up immediately Control can be networked with a central data management system Control ensures precise production recording; reasons for faults can be found easily Temperature controlled lock-out device for main drive motor to protect extruder, filter and flat-die against cold start up Automatic Filter System Arranged between extruder and flat die for filtering out impurities of the melt Equipped with heating element Filter screen feeding regulated either pressure-dependent (automatic operation) or manually via temperature and time controlled heating element Facility for taking up 10 meters of screen band Working pressure max: 30 MPa depending on raw material Type: automatic screen band/belt filter system Heating capacity: 4 kW Melt Pressure Gauge Arranged upstream of the filter Combined melt pressure/melt temperature gauge upstream of the flat die with readout on central control panel of extruder Pressure indicator with two level contacts: one for operating a sound signal, other for switching off main drive motor Measuring range: 0-500 bar Temperature max: 400°C Melt temperature indicator for maximum of 400°C Melt Pump Melt pump: Maag, Switzerland Driving motor power: 11 kW, AC motor, inverter/frequency controlled Connecting Parts Between Extruder and Flat Die In connection with filter system Consisting of: 1 connecting flange to flat T-die with one heating zone, one hole for melt temperature gauge (thermo-couple) 1 fixture for flat die Flat T-Die With flexible die lip adjustable by means of pressure screws Flow channels rheologically optimized in coat hanger design Includes heating, wired ready for connection Die width: 1500 mm Net working width: 1450 mm Die lip form: flat Die lip aperture: 0.1-1 mm Heating capacity: 24 kW Heating zone: 7 Edge Trim Recycling For direct return of narrow edge trims of non-stretched film into the extruder Consisting of film cutting unit, blower, and transport system carrying chips back to extruder hopper Cutting motor power: 1.5 kW Blower power: 2.2 kW Cutting knife: 5 pcs per set Cutting knife type: rotary Water Quench With Integrated Holding Unit Water quench tank with approx 1100 ltrs capacity including pump and heat exchanger, adjustable water level Transverse displacement of water quench tank by means of rails Film guide roller: Φ50 x 1400 mm, 2 pcs Material: stainless steel pipe Film Take-Off With pneumatically operated nip roller, driven by frequency controlled three-phase motor Film take-off steel roller: Φ215 x 1500 mm, 1 pc Film take-off nip rubber roller: Φ160 x 1500 mm, 1 pc Drive motor power: 4 kW AC motor, Italy brand inverter controlled Film water-removal nip steel roller: Φ160 x 1500 mm, 1 pc Film water-removal nip rubber roller: Φ160 x 1500 mm, 1 pc Drive motor power: 2.2 kW AC motor, Italy brand, inverter controlled Steel roller surface treatment: Q235 with chrome plating Slitting Unit (Six Position Slitter) Pneumatically operated with cross adjustment Film oscillating system to extend life time of blades Slitting blade type: shaver/razor Blade size: 38.5 x 18.5 x 0.15 mm Slitting width adjustable Traction Unit and First Stretching and Annealing Section (Six Godets Frame) Consisting of: 2 traction godet (415 mm diameter), 2 oil heating stretching godet (415 mm diameter), 2 water cooling annealing godet (415 mm diameter), 2 nip rubber rollers Static electricity eliminator Frequency controlled three-phase drive, rated power 22 kW = 11 kW x 2 Traction and stretching godet: Φ415 x 1600 mm, 4 pcs (2 pcs oil heating godets) Oil heater: 1 unit included Nip rubber roller: Φ160 x 1580 mm, 1 pc Infrastructure Facilities to Be Provided by Customer Foundation of a plain concrete floor with a load of 2500 kg/m² Mains input Cooling water supply Compressed air supply
