SJ65+120 Silane XLPE Cable Extrusion Line Machines For 10KV.

1.Use:

The production line is mainly suitable for the production of 10kV and below silane cross-linked cable and double-layer overhead insulated cable.

• Feature:
• PLC is used in the control system to complete the single or linkage control requirements of the production line, and to monitor the operation status and parameters of the production line.
• The control system software package has the function of uploading and downloading various cable production process formulas, 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, alarm status of production line equipment.Constant tension control mode is adopted for front and rear traction to ensure constant Online Tension of double traction. The tension can be set and modified manually.

2.1	Cable core diameter	Φ3-φ50mm(co-extruding)φ20-φ85mm（120single extruding）
2.2	Sheath Outer diameter	Φ5-φ60mm(co-extruding)φ30-φ90mm（120single extruding）
2.3	Screw rod diameter	Φ65mm, Φ120mm
2.4	Length to diameter ratio	25：1
2.5	Screw rod rotation speed	0-60r/min;0-80r/min
2.6	Max extrusion	380kg/h（120）;180kg/h（65)
2.7	Traction like speed	0-60m/min
2.8	Max traction force	2000kg
2.9	Pay-off bobbin size	PN1250-PN2500
2.10	Take-up bobbin size	PN1250-PN2500
2.11	Main machine power	≤336KW
2.12	Extrusion thickness tolerance	+/-0.025㎜
2.13	Power consumption	Electricity	Installation capacity of 80KVA 380V + 10% 50HZ three-phase five-wire
		Air	Pressure 0.1-1.0Mpa. Consumption 3.0 m³/h
		Water	Pressure 0.2-1.6Mpa. Consumption 4.0 m³/h

3.1	PN2500 portal type pay-off frame	1 set
3.2	2000kg traction device	1 set
3.3	SJ-65×25 Horizontal Strip Injection Auxiliary Machine	1 set
3.4	SJ-120×25 extruder	1 set
3.5	Automatic feeding and drying system	2 set
3.6	Stainless steel sink + 4m warm water tank+12m cool water tank	1 set
3.7	Blow Drying device	1 set
3.8	TQD2000 Flat belt pneumatic front traction device	1 set
3.9	PN2500 portal type pay-off frame	1 set
3.10	Unit electrical control system	1set
3.11	65 machine head+ mould （40mm）1 set 120 machine head+ mould （90mm）1 set	1 set

4.3 65 Extruder

4.3.1	Screw diameter	φ65mm
4.3.2	Screw length to diameter ratio	25：1
4.3.3	Screw type	Gradient screw
4.3.4	Screw speed	80r/min
4.3.5	Glue amount（MAX）	PVC：160kg/h

4.3.6 Main motor power: 37kw (AC), Siemens AC motor

4.3.7 Screw material: 38CrMoALA, surface nitriding treatment, nitriding depth 0.5-0.8mm, surface hardness≥HV840

4.3.8 Barrel material: 38CrMoALA, surface nitriding treatment, nitriding depth 0.5-0.8mm, surface hardness≥HV940

4.3.9 The main motor is a 37kw motor, which is controlled by Siemens frequency control system

4.3.10 The temperature controller adopts the latest generation of intelligent electronic display calculus temperature controller. The temperature can be automatically adjusted between 0-399°C, and the temperature control accuracy is±2°C.

4.3.11 Number of temperature control sections: one section of the machine head, one section of the machine head lock, five sections of the barrel, cast aluminum heating ring and four DF series axial cooling fans to run alternately; the body uses electric heating, and the cast aluminum heating ring has good heat insulation performance.

4.3.12 Machine Head: Huff clamping, easy to operate

4.3.13 Gear box: gears are tempered with 40Cr, tooth surface hardness HRC50-55 by high frequency quenching, axle is tempered with 45# steel, the material of the box is cast iron, gear is grinded with helical tooth surface, gearbox and screw are splined, one-way roller thrust bearing is used.

4.4 SJ-120/25 Extruder

4.4.1	Screw diameter	φ120mm
4.4.2	Screw length to diameter ratio	25：1
4.4.3	Screw type	Gradient screw
4.4.4	Screw speed	60r/min
4.4.5	Glue amount (MAX)	PVC：380kg/h
4.4.6	main motor power	The main motor is 110kw and controlled by Siemens variable frequency speed regulation system

4.4.7 The screw material is 38CrMoALA, surface nitriding treatment, nitriding depth 0.5-0.8mm, surface hardness≥HV840.

4.4.8 The barrel material is 38CrMoALA, surface nitriding treatment, nitriding depth 0.5-0.8mm, surface hardness≥HV940

4.4.9 Screw cooling: water cooling

4.4.11 Heating and cooling, cast aluminum heating coil has good heat insulation performance, using the latest generation of Nissan RKC intelligent electronic display calculus temperature controller, the temperature can be automatically adjusted between 0-399℃, and the temperature control accuracy is±2℃

4.4.12 Temperature Control Section Number: Head 2 Section, Eye Mould 1 Section, Head Lock 1 Section, Barrel Section 6, Cast Aluminum Heating Ring and 6 DF Series Axial Cooling Fans Operating Alternately

4.4.13 The machine head is heated by electricity, and the heat preservation performance of the cast aluminium heating ring is good.

4.4.14 Machine Head: Huff clamping, easy to operate

Gear box: gears are tempered with 40Cr, tooth surface hardness HRC50-55 by high frequency quenching, axle is tempered with 45# steel, the material of the box is cast iron, gear is grinded with helical tooth surface, gearbox and screw are splined, one-way roller thrust bearing.