POLDI HARDNESS TESTER

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DESCRIPTION : Poldi hardness test is a dynamic hardness test and can be used at any stage of processing of metals. The instrument consists of a hardened steel ball of 10mm diameter fixed to a hollow cylindrical casing; a movable plunger is fixed rigidly in the casing by means of spring. A standard test bar is inserted in the gap provided between the plunger bottom and the steel ball. The test bar is hardened for a predetermined value and is tapered for easy insertion RANGE OF EXPERIMENTS : 1. To determine the hardness of a given sample by using poldi hardness tester TECHNICAL DESCRIPTION : Material : ALLOY STEEL EN-8 OR EN-9 Dia : 30 mm Length :85 mm TUNGSTEN CARBIDE BALL : 10mm SERVICE REQUIRED : SPACE REQUIRED : 0.3 m. ( L) x 0.3 m (W) X 0.3 m (H). WEIGHT : @ 3 Kg

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