Results 21 to 30 of about 209,021 (355)
Contact mechanics applied to the machining of thin rings [PDF]
, 2017 Precision machining of thin rings is of key importance in the performance of many mechanical components such as bearings, rings, turbines, etc. An important factor to take into account is to know the influence of the clamping forces values at different ...
Carrero-Blanco Martínez-Hombre, julio +4 more
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An Intelligent Approach for Contact Pressure Optimization of PEM Fuel Cell Gas Diffusion Layers
Applied Sciences, 2020 The compression of the gas diffusion layer (GDL) greatly affects the electrochemical performance of proton exchange membrane fuel cells (PEMFCs) by means of both the equivalent value and distribution of contact pressure, which depends on the packing ...
Yongbo Qiu +7 more
doaj +1 more source
Enhancing the performances of the abrasive circular by designing a pneumatic system for automatic control of workpiece clamping and tool auxiliary motion [PDF]
Tehnika, 2021 The paper presents the reconstruction of the factory clamping mechanism for abrasive circular in order to improve the technical characteristics. Reconstruction was done because of the disadvantages of this mechanism in operation.
Pantelić Dragan M., Vasiljević Rade R.
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Journal of Family Medicine and Primary Care, 2022 Background: As there is a risk for infant anaemia, early cord clamping which is usually performed at 10-15 seconds of delivery was changed to delayed cord clamping for at least for 30 seconds Delayed cord clamping (DCC) increases the blood volume and ...
Lata Singh +4 more
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Design and experiment of flexible clamping device for pepper plug seedlings
Advances in Mechanical Engineering, 2022 At present, there are leakage and injury of pepper seedlings in the process of seedling transplantation. Based on the mechanical properties of pepper stem, a clamping mechanism with the function of crab pincers is designed using bionics principle.
Hu Shuangyan, Hu Minjuan, Zhang Wenyi
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International Journal for Simulation and Multidisciplinary Design Optimization, 2014 This paper addresses the problem of determining the minimum clamping forces that ensure the dynamic fixturing stability. The clamping force optimization problem is formulated as a bi-level nonlinear programming problem and solved using a computational ...
Chaari Riadh +3 more
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Position clamping of optically trapped microscopic non-spherical probes [PDF]
, 2011 We investigate the degree of control that can be exercised over an optically trapped microscopic non-spherical force probe. By position clamping translational and rotational modes in different ways, we are able to dramatically improve the position ...
Bowman, R. +7 more
core +1 more source
The Effect of Pre-Tension on Deformation Behaviour of Natural Fabric Reinforced Composite
Medžiagotyra, 2011 In the fiber-reinforced composites industry together with the promotion of environmental friendly production, synthetic materials are attempted to be replaced by renewable, biodegradable and recyclable materials.
Paulė BEKAMPIENĖ +2 more
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Design and analysis of a reconfigurable discrete pin tooling system for molding of three-dimensional free-form objects [PDF]
, 2010 This paper presents the design and analysis of a new reconfigurable tooling for the fabrication of three-dimensional (3D) free-form objects. The proposed reconfigurable tooling system comprises a set of matrices of a closely stacked discrete elements (i ...
Koc, Bahattin +2 more
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Control Strategy for Safety Purposes Based Upon Momentum Regulation
IEEE AccessEnsuring human safety in human–robot collaboration is an active research topic. This paper newly presented that momentum is a quantification parameter to estimate slight injury, and 14.6 N $\cdot$ s was considered as a threshold of the slight ...
Jian Liu, Yoji Yamada
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