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Secondary Coating and Coloring Line

Item No.: Secondary Coating line-01
Optical fiber payoff: 12/24 reels
Optical fiber pay-off tension: 0.4~1.5N±0.05N
Take-up tension: 2.5~8.0N(adjustable)
Structure speed: 600m/min
Production speed: ≤500m/min
Control of excess length: (0~3‰)±0.2‰
Tolerance of measuring meter: <1.5‰
Description
This loose tube production line is used to extrude loose tube that contains 2~24 optical fibers filled with fiber jelly.
PBT is the suitable extrusion material. The extruded loose tube surface is round and smooth.

Take SJ50, 12 payoff loose tube production line as a example:
Configuration of the production line:

No

Description

Unit

1

Optical fiber  pay-off

12 rools

2

Fiber jelly bubble elimination and filling device

1 set

3

50mm Extruder units (with dryer, feeding machine, extruding head mould and masterbatch mixer)

1 set

4

Ф630mm single wheel tractor

1 pcs

5

Spray-type cooling water sink

1 set

6

5HP chiller

1 set

7

Air blowing dryer

1 set

8

Ф630mm wheel traction device with tension controller

1 set

9

Accumulative tension controller

1 set

10

630-800mm automatic dual take-up and traverser switchover machine

1 set

11

Electronic control system

1 set