Metal Testing in Chennai That Makes the World Safer

A manufacturer of high intensity lighting products that illuminate targets up to 1.5 miles away needed to determine the durability of the searchlights under heavy usage. The lighting systems are used by the military, government, law enforcement, fire fighters and the entertainment industry. The manufacturer hired a testing laboratory to perform Gold testing labs in Chennai to determine durability and help to establish the structural integrity of certain parts, assemblies and adhesives.

The lighting system that was tested consisted of a light attached to a battery with a typical coiled cord. It was determined that the weight of the system is 8.6 pounds. When in use, it is often carried by a shoulder strap attached to lifting ears.

When the complete searchlight assembly is carried by the shoulder strap, the integrity of the lifting ears comes into question. Additional force might be generated if the person carrying the assembly was running over rough terrain. This action might exert momentary forces up to two times the normal weight loading (17 lbs. 2 oz.), resulting in bouncing and additional pressure on the lifting ears.

The type of mechanical testing selected to simulate these conditions was a pull test, utilizing a tensile testing machine. Three finished batteries were chosen at random as samples for the pull test. The mechanical testing pull test was performed twice on each battery while exerting pressure on one pair of diagonal corner ears during each test. Increasing pressure was applied until one of the parts failed.

A metal testing in Chennai performed the pull testing under normal and extreme conditions to determine the failure point. The mechanical testing pull test results provided information to establish the safety margins between the normal working load and the failure of the part. Manufacturing process parameters were also determined to ensure that the company could provide a consistent product part.

The series of tests provided information on the amount of pressure that the ears can withstand before distortion and failure occur. During all of the pull testing, there were no signs of distortion until the pressure reached at least four times the normal weight loading on the parts.

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