Pendulum Impact Model IT 542

The Model IT 542 Impact, which shares all the same features as the Model IT 406 except that it has an available energy of 542 J (400 ft•lbf). The Model IT 542 is also supplied complete with the automatic motorized return, and digital display.

The Model IT 542 provides maximum testing versatility. Easy insertion of interchangeable strikers in the pendulum head quickly adapts the machine for either Charpy or Izod testing. Two studs on the rear of the pendulum head allow optional tooling to be attached for performing tension impact tests.

A latch with a safety lock holds the pendulum in its raised position and assures a vibration-free release when activated. Once released, the pendulum quickly reaches the impact velocity of 5.47 m/s (17.0 ft/s) and has a maximum available energy of 406 J (300 ft•lbf) to impact the specimen

The superior design and construction of the Model IT 542 ensures maximum testing accuracy and repeatability. When the machine is properly installed and leveled, the total frictional and windage losses during the pendulum swing are guaranteed not to exceed 0.5% of the energy range.

Hãng sản xuất	Tinius Olsen
Materials	Alloy, Composite, Metal
Testing	Impact

Hãng sản xuất

Tinius Olsen

Materials

Alloy, Composite, Metal

Testing

Impact

HIGHLIGHTS

Precision, friction compensated, robust test frames.

Digital display option allows test set-up and result display.

Safety features ensure repetitive secure testing

Digital display option allows simple connection to PC for full test SPC analysis.

Specifications

		IT542
Pendulum capacity	J	542
Pendulum capacity	ft.lb	400
Drop height	m	1.5
Drop height	ft	5
Pendulum weight	kg	36
Pendulum weight	lb	80
Impact velocity	m/s	5.5
Impact velocity	ft/s	18
*Dimensions (WxDxH)**	mm	2108 x 508 x 1854
*Dimensions (WxDxH)**	in	83 x 20 x 73
Weight	kg	785
Weight	lb	1730

Configuration

Charpy

The specimen rests horizontally on the Charpy supports. Centering tongs can be seen in front .

Replaceable shrouds prevent the specimen from rebounding against the pendulum. The striker is bolted to the pendulum and available in 8mm (ASTM E23) or 2mm (BS, DIN, JIS, EN, and ISO) nose radius sizes. An optional set of selfcentering tongs is useful for accurately centering specimens, especially those subjected to temperature extremes before the test

Izod

The specimen is clamped vertically at one end, using the front screw/vise. Left: The striker.

The Izod striker is easily secured in the pendulum while the specimen is clamped in the close clearance slots in the vise. This ensures the specimen has the correct vertical alignment while the setting gage ensures the specimen is at correct height. A wrench is provided for tightening and loosening the specimen in the vise.

Charpy

The specimen is threaded into the striker (left) and the holding bar at the rear of the pendulum head.

The tension impact specimen is threaded into the specimen holder in the pendulum head. Tension is instantaneously applied to the specimen when the holding bar strikes the anvils. This method of support provides uniform distribution of the impact energy over the cross-section of the test specimen.

Software

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