In one customer situation, Applied Ultrasonics’ engineers quickly identified that a high-cycle component failed at a geometric stress riser. It is common assumption that fatigue failure is isolated to weldments, but the component had been failing in base metal at a stress riser caused by design geometry.
The customer accepted a solution proposed by Applied Ultrasonics’ engineering staff to change geometry and manufacturing process – resulting in a viable solution that improved mechanical component life, while also decreasing manufacturing cost. Applied Ultrasonics’ engineering solution was fairly simple, but the solution required a deep understanding of the customer’s complex life-cycle issues.
Hello,
We’re having a problem with surface origin fatigue on our punch heads as seen the provided pictures and looking for a method to help overcome this problem. Would this work on S7 or any steel to help a surface origin fatigue problem?
Our punch head damage is due to the head repeatedly contacting a compression roll or ramp, and after thousands of times of contact the metal forms a pit or pocket in the head surface at the point of contact.
Thanks,
Rich
Richard Kirk
Design Manager
Elizabeth Carbide Die Co., Inc.
601 Linden St.
McKeesport, PA 15132
phone: 412.751.3000
fax: 412.754.0755
email: richk@eliz.com
web: <http://www.eliz.com