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CAT NO: DIDACTICNLE-Export-410007
Bending Tester For Rigid Steel Conduits For Electrical Lab Training.
Bending Tester For Rigid Steel Conduits - For Electrical Lab Training
Conduits used in electrical installations shall possess adequate
mechanical strength. One of the tests used for ascertaining the
mechanical strength of conduits is the bending test.
For rigid
steel conduits, the test for bending is carried out by holding one end
of a test specimen taken from the sample of conduits under test in a
fixed holder and bending it over a grooved circular mandrel through an
angle of 90°. During this operation, the test specimen is guided on its
outer side by a grooved roller so that it follows the contour of the
mandrel. The test specimen is then checked for effects of bending on it.
The Bending Tester for Rigid Steel Conduits
consists of an arrangement to mount grooved mandrels of specified sizes
on a rigid platform and a pivoted lever to bend the test specimens
against it through an angle of 90°.
The mandrel mounting
arrangement has a central pivot pin about which semi-circular mandrels
can be fitted with the help of allen bolts so that they are held
rigidly. The mandrel for testing 16 mm diameter conduits is fixed
permanently on the platform. Additional mandrels can be fitted over it
to enable conduits of 20 and 25 mm diameter to be tested.
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