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This chapter explores the principles of productivity estimation for excavators like shovels and backhoes, focusing on factors like the angle of swing and the height of cut. Correction factors are crucial for adjusting productivity evaluations based on actual working conditions compared to ideal situations, which impacts cycle time and machine efficiency. Practical examples and estimations of shovel and backhoe operations are provided to illustrate these concepts.
Chapter 1417 sections
This chapter explores the principles of productivity estimation for excavators like shovels and backhoes, focusing on factors like the angle of swing and the height of cut. Correction factors are crucial for adjusting productivity evaluations based on actual working conditions compared to ideal situations, which impacts cycle time and machine efficiency. Practical examples and estimations of shovel and backhoe operations are provided to illustrate these concepts.
The horizontal angle between the loading and dumping positions of the bucket, influencing productivity based on its degree.
A multiplier applied to productivity estimations when actual operational conditions differ from ideal conditions, reflecting changes in height of cut and angle of swing.
The vertical measurement concerning the depth at which material is being excavated, which affects the effectiveness and efficiency of excavation equipment.
The time needed for a loaded truck to leave and for a new truck to take its position, impacting overall cycle time and productivity.
Total Questions
2
Estimated Time
4 min
Passing Score
70%
1 more question available