This unit is suitable forwrapping PVC, PE, XLPE, low smoke and halogen-free thermoplastic cablematerials by hot extrusion. It use double pay-off and double take-up structure.
2.The main technical parameters:
Electrical control characteristics :
----The control system is based on PLC, and PLC sends out control instructions. PLC completes the single action or linkage control requirements of the production line, and realizes the monitoring of the operation status and operation parameters of the production line
----The software package of control system has the function of uploading and downloading all kinds of cable production process formula, and can download the corresponding control formula parameters according to the cable parameters to be processed
----The control system has the function of recording and printing the operation status and alarm status of production line equipment.
----The constant tension control mode is adopted for front and rear traction to ensure the constant Online Tension of double traction. The tension can be set and modified manually .
3. Main Component:
4.1 LMS3150 Portal type pay-off and take-up rack:
4.1.1 Adopt bobbin size:PN1600-PN2500
4.1.2 Bobbin width:1180-1900
4.1.3 Max loading capacity:12t
4.1.4 Lifting motor:1.5KW
4.1.5 Move walking motor:1.1KW
4.1.6 Clamping motor:1.1KW
4.1.7 Lifting speed:563mm/min
4.1.8 Bobbin clamping speed:1016mm/min
4.1.9 Walking speed :524（740）mm/min
4.1.10 Pay-off form:passive
4.1.11 Tension form:Friction tension adjustment
---Beam is made of seamless steel pipe finishing
---Q235-A steel plate of column bottom beam is welded, with large bearing capacity and good rigidity after aging treatment
---Cable reel lifting can be lifted or lifted separately or simultaneously, and equipped with mechanical and electrical protection
---Action performance: set out in alignment, line arrangement is uniform, the receiving speed is synchronized with the production line speed, and the setting out speed is automatically tracked.
---The electric configuration is set out in passive mode, and the upper computer provides traction force. The gap type signal line is adopted. Low voltage electrical components adopt domestic famous brands.
4.2 Flat belt pneumatic caterpillar:
4.2.1 Adapt wire dia.:15～160mm
4.2.2 Max traction force:3000kg
4.2.3 Wire speed:2-50m/min,
----Belt material: outer layer rubber, inner layer with high strength mesh reinforcement layer
----Number of cylinders, pressure: 8 pairs, pneumatic compression, pneumatic tension, air pressure 0.1-1.0mpa
----Transmission type: 25kg magnetic powder tension control, passive traction.
----The meter counter: infrared meter, the error is three thousandths
----Structural features: full imitation of Nokia model, frame made of medium and heavy steel plate bending process, beautiful appearance, solid structure. Special pneumatic system design and high-quality components ensure that the crawler can press the cable under very small cylinder pressure without deformation. Large volume system design makes the static performance of the system better, so as to ensure the stable traction speed.
4.3 SJ200/25 Extruder:
4.3.1 Screw rod diameter :Φ200mm
4.3.2 Screw rod length and diameter rate :25:1
4.3.3 Screw rod form :High efficiency BM screw
4.3.4 Screw rod rotation speed :50r/min
4.3.5 Max extruding amount :PVC：1200kg/h
4.3.6 Main motor power :250kW (DC), Z4 DC motor
4.3.7 Screw rod material: 38CrMoALA, Surface nitriding treatment, nitriding depth 0.5-0.8mm, Surface hardness≥HV840
4.3.8 Machine barrel material: 38CrMoALA，Surface nitriding treatment, nitriding depth 0.5-0.8mm, Surface hardness≥HV940
4.3.9 Main motor is 250kW DC motor, controlled by 590 DC speed control system
4.3.10 The screw cooling: water cooling.
4.3.11 The temperature controller adopts intelligent electronic display calculus temperature controller, the temperature can be automatically adjusted between 0-399 ℃, and the temperature control accuracy is ± 2 ℃
4.3.12 Number of temperature control sections: two sections of head, one section of eye mold, one section of head lock, six sections of barrel, cast aluminum heating ring and six high-power DF series axial cooling fans
4.3.13 The fuselage is electrically heated, and the cast aluminum heating ring has good heat preservation performance.
4.3.14The machine head: three piece Haff clamp, easy to operate.
4.3.15 The gearbox: the gears are all quenched and tempered with 40Cr, the tooth surface is quenched and tempered with high frequency, the surface hardness is hrc50-55, the shaft is quenched and tempered with 45 # steel, the box material is cast iron, the gears are grinded with helical tooth surface, the gearbox and the screw are connected with spline, and the one-way roller thrust bearing is used.
5. Control system:
----Powersupply: three phase five wire system, 380V (± 10%), 50Hz, single-phase controlvoltage of 220V
-----Theoperating system of the whole machine is controlled by Siemens PLC module,which can be controlled by single action or linkage. And through Siemens 10.1 inch touch screen visual operation.
-----Thecommunication control between PLC and frequency converter is adopted, which hashigher precision and faster response than analog speed control. Meanwhile, PLC is equipped with Ethernet interface, so users can monitor remotely.
-----Thewhole machine is a dual control system: analog speed regulation and manual selfreset knob speed regulation are set on the touch screen, and the parameters can be set and adjusted freely through the touch screen or self reset knob speed regulation.
-----The mainmachine and traction motor of the extruder are domestic high-quality brand DCmotor, controlled by Parker 590 DC speed regulation system, and the latest generation of intelligent electronic display calculus temperature controller is selected as the temperature control instrument, with the temperature control accuracy of ± 2 ℃.
-----Thepanel is equipped with all kinds of instruments, indicators, switches and othernecessary components, and all kinds of overload, overheating, overcurrent protection functions are complete,
-----Thelow-voltage components of the whole machine are all of the top brands in China(Chint or Schneider), with the advantages of stable starting, running and stopping of the production line, energy saving and consumption reduction.
----Thecontrol box is made of high-quality anodized aluminum profiles and aluminumdie-casting corner parts, with simple and stable appearance and easy operation. The main control box is equipped with dust-proof filter device to prevent dust from affecting the service life of electrical components in the cabinet. ----The safety protection of the production linemeets the requirements of national regulations.
Max Xu- China Wire and Cable Machine Expert.
Ningbo Capstian Technology Co.,Ltd.