General Description

Helmet Impact Absorption Tester for helmets consists of a rigid frame with a heavy base plate, a set of interchangeable steel anvils mounted on the base, a free fall guidance system with a dolly to keep the head-form with helmet on, an arrangement to drop the helmet from a known height on the anvil, a set of three accelerometers mounted in three mutually perpendicular directions which can be fitted inside a hollow metal head-form, and a data acquisition system with suitable software to provide the test report.

Following Features :

• Machine cycles are fully automatic and operate by Computer system.
• Double column stainless steel frame supporting the guide bar.
• Mild Steel protect cage , up to height of 2 meters.
• Helmet holder made by the help of 7 soft small rubber balls .
• Lift carriage with pneumatic releasing system and limit switches.
• Automatic hooking system of the drop carriage , during the descent .
• Automatic recovering head form system actuated by means of pneumatic cylinder 50 x 500 stroke.
• Pneumatic brake to stop the drop carriage after the shock
• Three anvils kerbstone ,flat and round, easily interchangeable, supplied .
• Laser pointer inside the anvils holder , to track the right point of impact on helmets.
• Electric winch with pulley and encoder to be driven with inverter technology.
• Complete pneumatic plant with filter and pressure gauges.
• Speed control device with high frequency infrared photocell sensor.
• Transducer's cable with plugs.
• Mechanical parts finishing: Chrome plated and plastic coating paint.
• Supply 230v AC power supply into the control panel of the machine.