Insulator Testing Machine For Post Insulator(bending And Torsion Resistance)

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The bending torsion machine is applicable in the bending and torsion test for different types of insulators. It is also widely applied in the bending and torsion test for insulatora s fittings and other power line fittings.

As it is required in IEC standard and ANSI standard, porcelain post insulators for subsation and overhead transmission line should bear a certain mechanical load. This mechanical load include bending load and torsion load. So it is the same with polymeric post insulators. Polymer post insulators with epxoy resin core has appeard for decades, though the specifc standard of which has not been defined, it is also required to be tested as ceramic post insulators. This bending & torsion testing machine will meet this demand.
As you can see in the figure, post insulator specimen shall be fixed on the bottom base with flange. In the vertical direction it is adjustable to adapt different insulator with different height. A moveable device will push from horizontal direction and record the process. This machine provides a maximum bending load of 50kN and maximum torque load of 8 to 30 kN with different model, which can cover all types of common insulators and fittings.