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Automatic Long -Length Optical Fibre Cable Installation System

Automatic Long -Length Optical Fibre Cable Installation System. NTT Access Network Systems Laboratories Jiro Sogame. Contents. Background of this installation system Installation method Explanation of this installation system and it’s component machines

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Automatic Long -Length Optical Fibre Cable Installation System

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  1. AutomaticLong -LengthOptical Fibre Cable Installation System NTT Access Network Systems Laboratories Jiro Sogame

  2. Contents Background of this installation system Installation method Explanation of this installation system and it’s component machines Cable pulling machine Cable feeding machine Pulling rope winding machine

  3. year 1997 year 1998 100% 100% year 1999 50% 20% 2010 year 2000 Plan For Fibre To The Home In NTT Plan For Fibre To The Home In NTT Plan for FTTH

  4. Targets Of Cost Reduction Targets Of Cost Reduction 10 User Facilities FTTH FOLT (Excluding ONU) ONU Distribution Facilities Feeder Facilities 5 Metallic line cost FTTH FTTH Ɍ -System 1 0 1997 1998 - 2000 Year (Target for further cost reduction) 1997 Twice as much as metric line cost (Achievement of metallic line cost by -System) 1998~2000 FTTH cost will be reduced to metallic line level

  5. Background of this installation system Installation method Explanation of this installation system and it’s component machines Cable pulling machine Cable feeding machine Pulling rope winding machine Installation method

  6. 1 One end cable pulling system 2 Distributed cable pulling system

  7. One-end cable pulling system with truck several km Cable pulling truck Cable reel pulling direction Cable allowable force Å~ Tension exceeding force for cable Pulling force Distance Unsuitable for optical fibre cable in long length

  8. Distributed pulling system with machines several km pulling direction Cable allowable force Tension Pulling force Distance Suitable for optical fibre cable in long length

  9. Distributed pulling system is suitable Installation Of Optical fibre cable in long length

  10. Background of this installation system Installation method Explanation of this installation system and it’s component machines Cable pulling machine Cable feeding machine Pulling rope winding machine Installation method

  11. Background of this installation system Installation method Explanation of this installation system and it’s component machines Cable pulling machine Cable feeding machine Pulling rope winding machine Installation method

  12. Tensionsensor drive unit control unit

  13. Setting Position Of Pulling Machines Setting Position Of Pulling Machines Put machines at the point of below cable allowable force pulling direction cable allowable force Tension Distance Pulling force

  14. starting value tension starting point Control method for automatic cable pulling 1 Starting time

  15. acceleration tension mark value deceleration Control method for automatic cable pulling 2 On working and Stop time Puller controls pulling speed to maintain the mark value

  16. Control method for automatic cable pulling 2 Stop acceleration mark value tension deceleration stop value no action

  17. Jointing part between cable and rope passes through the belts on machine We can install the cable without limit of length using some machines which are interlocked It is a safe machine for cable to stop installation in case of detecting over-load or race Characteristics

  18. Background of this installation system Installation method Explanation of this installation system and it’s component machines Cable pulling machine Cable feeding machine Pulling rope winding machine Installation method

  19. Automatic Cable Feeding Machine

  20. 0Å`20 m/min Feeding speed Application of reel weight with cable 3000 kg Time of setting up 10 min by 2 persons

  21. detecting way sensor setting position cable a ray sender velocity order to drive unit velocity of cable acceleration acceleration uniform velocity no direction deceleration deceleration stop stop a ray receiver Detection Of Cable Slack Detection Of Cable Slack

  22. Background of this installation system Installation method Explanation of this installation system and it’s component machines Cable pulling machine Cable feeding machine Pulling rope winding machine Installation method

  23. Automatic Pulling-Rope Winding Machine Automatic Pulling-Rope Winding Machine Motor continuously keeps pulling rope 2.motor can not lift up the rope 1.motor can lift up the rope stop winding go on winding pulling rope pulling rope in manhole in manhole 1.pulling machine goes on working 2.pulling machine stops working

  24. 10% 1 0.9 installation cost current system this system Effect Cost reduction of this system current system this system

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