Skin-foam-skin Physical Foaming  Insulation Extrusion Machine
Skin-foam-skin Physical Foaming  Insulation Extrusion Machine

Skin-foam-skin Physical Foaming Insulation Extrusion Machine

This line is design to conduct insulation for lan cable of CAT6A SF/FTP - CAT8 , USB cable 3.0 , HDMI 2.1 , coaxial cable , etc .

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Product Introduction
1. Application
a. Suitable for producing skin-foam-skin insulation process . 
b. Widely used in producing data cable , signal cable , USB cable insulation . 
c. Foaming method is physical foaming . 
d. The industrial computer control system realizes online product quality monitoring, storage,recall and product quality fault printing function,one-button acceleration and deceleration function, reducing personnel input and improving production efficiency.
e. Simple operation, high efficiency and energy saving, high production efficiency, easy maintenance.
Product Parameters
1. Main specification
Model HH25+40+30 HH30+50+35 HH35+65+40
Wire inlet φ0.2-φ2.0 φ0.5-φ4.0 φ0.8-φ8.0
Wire outlet φ0.4-φ3.0 φ0.8-φ6.0 φ3-φ12
Extrusion material Foam-PE、 Foam-PP、HDPE,PU 、PP
Screw parameters Physical foaming L/D ratio:36:1. (Chemical foaming L/D radio:28:1), Compression ratio:2.7~3.5, Screw
material:38CrMoAlA,vacuum heating treatment, Surface grinding polishing chromium plating.
4+3+2+3 4+3+3+3 5+3+3+3
Foaming degree Physical foaming(high-pressure):70%-80%,
Low pressure:60%-70%, Chemical foaming:30%-40%.
Power 15HP 20HP 30HP
Stripping power 3HP+3HP 3HP+5HP 5HP+5HP
Highest output 50KG/H 60KG/H 80KG/H
Highest wire speed 600M/MIN 600M/MIN 600M/MIN
Movable water tank Extension type movable trough/Constant temperature movable water tank, Mobile quantity 500, overall ength 3M with double segments type water dryer.
Length of U water tank 9M 9M 9M
Accumulate wheel parameters
(9+8 grooves)
φ200 φ250 φ300
Capstan power 3HP 3HP 5HP
S ize of pay off bobbin φ300-φ500 φ300-φ500 φ400-φ630
S ize of take up bobbin φ400-φ500 φ400-φ630 φ400-φ630

2. Machine component
No. Name Q’ TY
1 Motorized pay-off 1 set
2 Copper Wire preposition tension stand 1 set
3 Copper wire preheating machine 1 set
4 Physical foaming main extruder 1 set
5 O nner skinning extruder 1 set
6 Inner skinning extruder 1 set
7 Automatic drying and feeding machine  
8 Siemens PLC electric control box 1 set
9 1.5m Movable water tank with cover 1 set
10 Diameter tester 1 set
1 1 8m Fixed water tank with cover and leak-proof 1 set
1 2 Underwater static capacitance tester 1 set
1 3 12m Slide rail type + anode guide wheel storage rack 1 set
1 4 410mm tractor 1 set
1 5 Meter counter 1 set
1 6 High frequency spark tester 1 set
1 7 Double-head shaftless take-up stand 1 set
1 8 Accessories  
1 9 Nitrogen injection device 1 set

3. Main brands for parts
  • Motor: DONGGUAN motor
  • Frequency converter: Inovance
  • Temperature controller: RKC high-precise temperature controller (Japanese brand )
  • Electrical component:Japan,TAIWANG brand or homebred brand
  • Bearing: NSK,KOYO,ASAHI (Janpanese brand )
  • Touch screen : WEINVEIW (TAIWANG brand )
  • PLC : Siemens (German brand)

4. Crosshead and extrusion pattern

5. Essential components to maintain high speed and extrusion quality
Motorized pay-off High adjusted triple layer crosshead & extruder Nitrogen injection device + needle

6. Online Testing equipment (Swiss Zumbach/German Sikora)
Eccentricity Under water capacitance Spark tester
Product Additional Service Description

1. Full machine customization 
2. Machinery installation layout design

3. On-spot installation service (negotiable)

4. Whole factory layout design

5. Accessories supply 
Tips and dies Heating plate Bobbins and reels

6. 24-hours consulting team

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