Backhoe Excavator Arm
(5/38)
Description
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<br />1) The repeated use of cosine rule (a2=b2+c2-2bccosA) for geometry calculations.
2) Calculating moments about a point and perpendicular distances to calculate forces.
3) Consider stability limits of the machine.
Calculation Reference
Machine Design
Mechanics of Materials
Calculation Preview
(5/38)
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Comments: 4
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johndoyle-admin
3 LIB_BLACKSHEEP_YEARS_AGO
'r' is the position of the centre of gravity of all parts of the vehicle minus the excavator arm itself (chassis, cab, outriggers, wheel and front bucket). None of these parts will move when the boom is fully retracted so the position of 'r' remains unchanged as the geometry of the excavator arm changes. I hope this helps.
3 LIB_BLACKSHEEP_YEARS_AGO
Can you tell me if machine CG 'r' has to be checked @ Boom fully retracted condition?
4 LIB_BLACKSHEEP_YEARS_AGO
Can you please discribe about equation number 91
4 LIB_BLACKSHEEP_YEARS_AGO
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