Page 251 - Handbook of Materials Failure Analysis
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FIGURE 10.4
                  A typical shovel operation cycle illustrated in eight phases: (a) dropping phase, (b) digging
                  phase, (c) lifting phase, (d) swinging accelerating phase, (e) swinging decelerating phase,
                  (f) dumping phase, (g) swinging back phase, and (h) returning phase.
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