Uncertainty of Measurement for Design Engineers

Jakubiec, Władysław; Płowucha, Wojciech; Rosner, Paweł

doi:10.1016/j.procir.2016.02.027

Cited by 6 publications

(2 citation statements)

References 3 publications

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“…The measurement was repeated in three sections at the depth of the hole. The adjacent cylinder with a mean diameter of ø 8.0050 ± 0.0011 mm was determined from the measurements for each hub [16]. After assembly, the set was subjected to tests aimed at verifying the correctness of the numerical model which was built for the analysis of the load-bearing capacity of the joint depending on the interference value.…”

Section: Methodsmentioning

confidence: 99%

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Analysis of Interference-Fit Joints

Madej

Śliwka

2021

Applied Sciences

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Interference fit joints have been widely used in many engineering constructions, in particular in electric motors. It is of particular importance to calculate the load capacity of press-fit joints, especially in the overload ranges of construction to estimate the safety factor. The article presents a FEM numerical simulation of pressing the shaft into the hub, taking into account various types of fits. The results of numerical simulations presented in the article were positively verified with the MTS measuring device, which confirmed the correctness of the numerical model. So far, the load-bearing capacity of press-fit joints has been calculated from Lame’s formulas. The results of the load capacity of the joints obtained by the FEM simulation were compared with the results obtained from Lame’s formula. The comparison shows that when designing interference fit joints, attention should be paid to the fact that the press-in process, depending on the type of fit, may be elastic-plastic. Plastic deformations in the contact zone of the joint affect its load-bearing capacity. Therefore, the design of press-fit joints should not be based on Lame’s formulas, which do not take into account the range of plastic work of the material.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%