Structural Material Testing Laboratory (SMTL)

The Structural Material Testing Laboratory aptly compliments the tower testing station. A sophisticated Universal Testing Machine (UTM) with a facility of force & position control using computer has been used for the verification of load measuring devices, testing & development activities. A broad range of materials, alloys, composites & transmission line accessories are tested as per relevant standards. Also used for pre/post testing calibration of load cells, this is a pre-requisite for full scale testing of transmission towers.

EQUIPMENT FACILITY:

1

Type of Machine

Universal Testing Machine ( UTM)WolpertAmsler(Swiss Make)

2

Capacity

600 kN

3

Application
a) Calibration
b) Possible tests

Tension & Compression load transducers Tensile, Compression, Bending, Double Shear & hardness of Structural  Materials & Transmission Line accessories

4

Clamping Device

Mechanical

5

Control

Hydraulic, Computer Controlled by Zwick Roell, Germany.

6

Free clamping device
a) Maximum
b) Minimum


1625 mm
75 mm

7

Free Column spacing

640 mm

8

Gripping capacity
a) Flat specimen
b) Cylindrical


0 to 60 mm
3 to 60 mm diameter

9

Gripping  Length

90 mm

10

Span for Bend tests
Maximum
Minimum


1150 mm
200 mm

Hydraulic Power Pack / Ram

  • PLC Controlled
  • Capacity: 100T
  • Stroke: 750 mm
  • Speed: 1 - 50 T/min.

This facility provides a versatile facility to test insulator strings of all configurations (like 'I' 'V' & Quad) and other non-standard hardware samples.

Test Rig:

The test rig, complete with anchor, pulley blocks, electrical winches, load measuring instruments etc., provides a versatile facility to test long samples of insulators, conductors, wire ropes etc., the facility of 80 ton test rig has been used with an electrical winch. The test rig complete with anchor pulley blocks, electrical winches, load measuring instruments etc., provides a versatile facility to test ropes, insulators/insulator strings, long conductor samples, accessories and similar structures.

Contact Details

Dr.Selvaraj M
Joint Director / HOD
Mechanical Engineering Division
Phone : + 91 80 2207 2475
Mob:      +91 9449851236
E-Mail : msraj@cpri.in / 

             med@cpri.in 

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