High energy ultrasonic field regulation and control method for residual stress
A technology of residual stress and high-energy ultrasound, applied in the direction of improving process efficiency, etc., can solve problems such as impact damage, cracks or micro cracks, affecting the safety and reliability of mechanical structures, etc.
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[0032] The specific implementation steps of the present invention will be described in detail below:
[0033] 1) Measure the value of residual stress in the area to be controlled. For workpieces with larger residual stress, a high-energy ultrasonic transducer with larger excitation frequency and power is required; for workpieces with smaller residual stress, a relatively small value can be used The excitation frequency and power of the high-energy ultrasonic transducer are adjusted.
[0034] 2) After processing the high-energy sound field for a certain period of time, measure the residual stress value of the control area again.
[0035] 3) Compare the current residual stress value with the required control value. If the control effect is achieved, stop continuing the control, if not, repeat step 2 until the control effect is reached, stop the control.
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