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锤杆断裂仍是目前锻造生产中经常发生的问题之一。锤杆断裂的位置多数发生在圆角区(图1a)。在正常情况下,锤杆常以应力疲劳的形式而失效,此时锤杆的寿命较高。在某些
Hammer bar breakage is still one of the most common problems in forging production. Hammer rod fracture occurred mostly in the fillet area (Figure 1a). Under normal conditions, the hammer rod often fails in the form of stress fatigue, hammer rod life is higher at this time. In some