Technical Research

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Final Report: Research For Noise Reduction and Increased Productivity in Forging

This 1983 report summarizes the results of a major research effort in conjuction with Michigan Technological University directed towards source control of hammer impact noise which would result in reduced noise levels both within the forge plant and in its neighboorhood, and could be implemented with minimal negative or even positive effects on forging productivity. Two source noise control approaches were investigated (1) hammer retrofits to reduce noise generation from structural ringing and (2) noise reduction through improved forging process control and design.