ROOT CAUSE ANALYSIS OF AN ARTILLERY BREECHBLOCK AND ITS IMPROVED

摘要

The breechblock failure is a repeatedly failure with high frequency on artillery. And it is unable to prevent effetely by Reliability Centered Maintenance. A Root Cause Analysis method, which is improved according to the feature of artillery, is used to analyze the breechblock failure. It was validated that one key root cause of this failure is the problem in pry-axis design of breechblock.