Application Note: Barkhausen Noise on a Failed Gear
In this application, gear teeth were checked for grinding re-temper burn after a gearbox manufacturer uncovered a failed tooth.
In this application, gear teeth were checked for grinding re-temper burn after a gearbox manufacturer uncovered a failed tooth.
In this application camshaft lobes were inspected for soft spots (heat treatment defect) with non-destructive barkhausen noise method.
In this application, gear teeth were checked for grinding burn as a result of unbalanced cycle time changes.
In this application, camshaft lobe was checked for microstructural defects. These invisible non-uniform changes in the microstructure can ultimately lead to cracking at a later time.
In this application, the grinding of a crankshaft journal was checked for unfavorable stresses due to overheating during grinding, also known as grinding burn.
MBN is quantitative, repeatable, non-destructive, and it is easily automated, thus removing operator influence as a variable.
Stresstech is a world leader in developing and manufacturing non-destructive inspection equipment for grinding burn detection and residual stress measurement.
Combined with dimensional inspection, hardness tests and periodic metallographic analysis, the Barkhausen noise analysis method can help close the loop on insuring product quality.