SJ50+70 Double Layer and Double Color Cable Coating Machine

Delivery time:60 days.

Payment； T/T 30% as deposit, 70% before delivery.

Warranty: 1 year.

Usage: Extruding.

Sheath type: Double layers and double color.

Product Detail
Parameters
Components
Details

SJ50+70 Double Layer and Double Color Cable Coating Machine With Automatic Coiling Machine.

1. Use

This unit is suitable for coating the wire and cable with thermoplastic cable materials such as polyvinyl chloride, polyethylene, PE, XLPE, low-smoke and halogen-free, etc. through the hot extrusion method. This unit has the advantages of high temperature control accuracy, excellent line-out stability, energy-saving stability, and high degree of automation. This unit is mainly used to produce double-layer photovoltaic lines or extrusion coating production of long-life double-layer building lines.

SJ50+70 Double Layer and Double Color Cable Coating Machine With Automatic Coiling Machine.

The main technical parameter

2.1	Coated diameter	Φ0.5-Φ20mm
2.2	Screw rod diameter	Φ70mm+Φ50mm
2.3	Length to diameter ratio	25：1
2.4	Screw rod rotation speed	110r/min /90r/min
2.5	Max extrusion	180kg/h 80kg/h（PVC），
2.6	Full line speed	330m/min. 250m/min for coiling
2.7	Max traction wheel diameter	Φ500mm
2.8	Take-up bobbin size	PN630
2.9	Main machine power	≤68KW
2.10	Extrusion thickness tolerance	+/-0.02mm

Main Component

3.1	PN630 Door type pay-off	1 set
3.2	Input wire Straightening table	1 set
3.3	SJ-70/25extruder host	1 set
3.4	SJ-50/25 extruder host	1 set
3.5	Φ20mm double layer co-extrusion crosshead	1 set
3.6	Automatic hopper and dryer	2set
3.7	stainless steel cooling water tank (1.5m+12m)	1 set
3.8	Outer diameter detector	1 set
3.9	Independent Blow drying machine	1 set
3.10	12m overhead line storage device	1 set
3.11	15kV high frequency spark tester	1 set
3.12	High speed ink printer	1 set
3.13	Φ500mm double wheel capstan machine	1 set
3.14	PN630 double reel take-up and traverse line machine	1 set
3.15	Electrical control system of unit	1 set
3.16	Full automatic coiling and packing machine	1 set

4.3.1	Screw rod diameter	Φ70mm
4.3.2	Screw rod length and diameter rate	25:1
4.3.3	Screw rod form	High-efficiency double BM+ mixing custom screw, one low-smoke halogen-free screw each
4.3.4	Screw rod rotation speed	90r/min
4.3.5	Max glue amount	PVC：180kg/h
4.3.6	Main motor power	37kw（AC）motor, Frequency conversion speed regulation system control
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 Screw cooling: water cooling 4.3.10 The temperature controller adopts an intelligent electronic display calculus temperature controller, the temperature can be automatically adjusted between 0-399℃, and the temperature control accuracy is ±2℃ 4.3.11Number of temperature control sections: one section of the machine head, one section of the machine head lock, four sections of the barrel, cast aluminum heating ring and four DF series axial cooling fans alternately running 4.3.12The body adopts electric heating, and the cast aluminum heating ring has good heat preservation performance Head clamping: 4.3.13 Huff clamping, easy to operate 4.3.14 Gearbox: All gears are quenched and tempered with 40Cr, the tooth surface is high-frequency quenched and the surface hardness is HRC50-55, the shaft is quenched and tempered with 45# steel, the box is made of cast iron, the gear is grinded with helical gears, and the gearbox and screw are used. Spline connection, one-way roller thrust bearing

4.4 50/25 extruder

4.4.1	Screw rod diameter	Φ50mm
4.4.2	Screw rod length and diameter rate	25:1
4.4.3	Screw rod form	High efficiency BM screw, one low smoke halogen-free screw
4.4.4	Screw rod rotation speed	110r/min
4.4.5	Max glue amount	PVC：80kg/h
4.4.6	Main motor power	15kw（AC）motor, Frequency conversion speed regulation system control
---Screw material: 38CrMoALA, surface nitriding treatment, nitriding depth 0.5-0.8mm, surface hardness ≥ HV840 ---Cylinder material: 38CrMoALA, surface nitriding treatment, nitriding depth 0.5-0.8mm, surface hardness ≥HV940 ----Screw cooling: water cooling ----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℃ ----Number of temperature control sections: one section of the machine head, one section of the machine head lock, three sections of the barrel, cast aluminum heating ring and three DF series axial flow cooling fans alternately running ----The machine body adopts electric heating, and the cast aluminum heating ring has good heat preservation performance ----Head clamping: Huff clamping, easy to operate Gearbox The gears are all tempered with 40Cr, the tooth surface is high-frequency quenched and the surface hardness is HRC50-55, the shaft is quenched and tempered with 45# steel, the box is made of cast iron, the gear is grinded with helical gears, and the gearbox and screw are made of flowers. Key connection, one-way roller thrust bearing