IMPACT TESTING MACHINES

The DMG IMP300 range of pendulum Impact testers includes machines for Charpy and Izod testing of metals. All machines meet British, European and International Standards for both methods. There are three main Standards concerned with Impact testing: BS EN 10 045:1990 ASTM E23:1982 BS131, Part 1:1972. BS EN 10 045 and ASTM E23 are the

Standards involved with Charpy Impact testing.

The IMP300 is 300 Joules capacity for Charpy testing and 150 Joules for Izod testing. The pendulum is of rigid tubular construction mounted on anti-friction bearings at the top of a single pillar, bolted to a heavy cast base.

On the IMP300, the pendulum is securely held in the pendulum bracket by a self release toggle latch. The release mechanism is operated by two levers on the release box. The upper lever is a safety lock that has to be lifted and held in position before the second pendulum release lever can be operated. This is an important safety feature as it prevents accidental

release of the pendulum.

INSTALLATION

All Impact testing machines require guarding to minimise the risk of anyone walking into a swinging pendulum. Guard rails and screens are included with all machines for the UK, for the end user to fit.

The machine must be mounted on a concrete plinth in accordance with DMG drawings based on ASTM or BS EN Standards. All machines are calibrated in works, with final assembly and direct verification on site to the tolerances laid down in the relevant testing Standard.

DMG is accredited by UKAS for calibration and certification to all three Impact testing

Standards.

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