Optimum Design of Construction Machine Parts


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In this research, the authors have tried to decrease the weight of circular-digging large size bucket as far as possible with keeping the reliability of whole of the construction machine. In the case of main bucket, the authors have evaluated the strength reliability of this bucket and proposed more optimum design changing the thickness and kind of the material, though the expected weight reduction ratio becomes only 5% with increasing the rigidity of the main bucket. In the case of sub-bucket, it is desirable to change the thickness of the material and to attach the reinforcement in the both side. Therefore, the designer could reduce the weight by 11% with keeping the rigidity of the sub-bucket.



Key Engineering Materials (Volumes 348-349)

Edited by:

J. Alfaiate, M.H. Aliabadi, M. Guagliano and L. Susmel




N. Hattori et al., "Optimum Design of Construction Machine Parts", Key Engineering Materials, Vols. 348-349, pp. 673-676, 2007

Online since:

September 2007




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[1] Side plate.

[3] Sole plate A.

[2] Back plate.

[5] Sole plate C.

[6] Supported plate A.

[7] Supported plate B.

[8] Reinforcement A.

[4] Sole plate B F F Regid Sub-bucket Main-bucket F: Gripped force 275[kN 275[kN] O.