Laboratory Vane Shear Apparatus, Motorised ( AIM 108-1)

Ref. Standard IS:2720 (Part 30)

 

Laboratory Vane Shear Apparatus, Motorised consists of a special motor, adjustable in height by means of a lead screw rotated by a drive wheel to enable the vane to be lowered into the specimen. Rotation of the vane is by means of an electric motor turns the upper end of a calibrated torsion spring to give a rotation of 0.1 °/sec. The vane shaft is attached through the hollow upper shaft to a resettable pointer which indicates the angle of torque on a dial graduated in degrees. The dial reading multiplied by spring factor gives the torque.

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