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Tensile Test Bed for Tensile/Creep Testing of Overhead Conductors

2015-09-06  

 

Creep Test of Overhead Conductors

 IEC 61597, IEC 61395, HD-626-S1

UNIVER PULL-A Series Horizontal tensile testing machine is designed specifically for tensile testing of overhead conductors, these test frames use a horizontal test opening to accommodate long specimens and high elongation demands.

These test frames are powered by ball screws for high strength testing and can be customized in length to meet a variety of application requirements as well as the grips can be modified to accommodate different shaped specimens and alternate grips can be provided for customers to interchange as and when their test requirements change.

PC-based machine control software provided with the machine is upgraded to include data acquisition and data analysisres:

 Features:
 
  • Large effective bed clearance enables testing of a wide range of specimens, full length specimens; sling construction; high capacity specimens
  • An adjustable carriage is provided supported on free moving rollers for easy placement of the carriage appropriate to the nominal test specimen length
  • Main frame compressing of steel section side frames cross braced and featuring location points for moving carriage at incremental positions along the bed
  • Built-in self-calibration structure enables customer calibrate the load cell on machine instead of removing load cell to another machine for calibration
  • Frames, fixtures and strain measurement devices can be designed & manufactured to accommodate many types of products that require tensile tests; piston head and cylinder ends fitted with low friction seals
  • Machine is fully guarded by fixed plates at base of bed and manually operated, hinged guards at top of bed section
  • Loading accuracy well within ±1%, small capacity within ±0.5%,
  • State of the art German DOLI control electronics and UNIVER software guarantees high performance and accuracy
  • Patent integrated load cell calibration system can calibrate load cell without removing it from machine and calibrate the whole machine instead of independent load cell.
  • Fully auto control combined with manual control ensure machine in control as when one control mode is not available.
  • Load capacity up to 20MN (2000tons) has become available in 2013

Tensile Test of Overhead Conductors

 IEC 60794-4­, IEC 61089, ASTM B524 / B524M, ASTM B711, HD-626-S1

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