... along the stage axial motion direction. flexure hinge straight circular compliance small deformations in-plane bending stiffness serpentine Flexure hinges have been used as elastic connectors in a multitude of mechanism applications that require small-scale, precise motion...

...) For an applied bending moment M z , the maximum stress at the notch region can be calculated as [( 21 )] 39 σ max = K t σ nom = K t 6 M z t 2 w where σ nom is the nominal stress (also referred to as the reference stress) and K t...

...Gregory L. Holst; Gregory H. Teichert; Brian D. Jensen This paper explores the deflection and buckling of fixed-guided beams used in compliant mechanisms. The paper’s main contributions include the addition of an axial deflection model to existing beam bending models, the exploration...

... the original LET joint members that are designed for torsion with TUFFs and replaces the LET joint members that are designed for bending with RUFFs, as shown in Fig. 24 (for further details on the basic LET joint design, refer to Ref. 6 ). LET joint ( 6 ) (top) compared with the compound LET joint...

... even though it has a moderate bending stiffness. First, unidirectional CFRP skins were bonded to the SMA honeycomb core made of thin SMA foils, and residual shear strain was applied to the SMA core. Then, the ends of the upper and lower skins were fixed to other cores. The length, thickness, and width...

... of these motion spaces. 07 04 2010 12 10 2010 23 11 2010 23 11 2010 bending design engineering wires In recent years, compliant mechanisms ( 1 ) received more and more attention from both academia and industry. Numerous applications including relatively recent lamina emergent...

.... Res. Commun. 0093-6413 , 31 ( 3 ), pp. 301 – 310 . 10.1016/j.mechrescom.2003.11.004 Hodges , D. H. , and Dowell , E. H. , 1974 , “ Nonlinear Equations of Motion for the Elastic Bending and Torsion of Twisted Nonuniform Rotor Blades ,” NASA Tech. Note D-7818. Bisshopp , K...

... Compliant Joints ,” ASME J. Mech. Des. 0161-8458 , 127 ( 4 ), pp. 788 – 798 . 10.1115/1.1900149 16 10 2009 16 05 2010 18 08 2010 18 08 2010 beams (structures) bending finite element analysis nonlinear strain energy beam flexure beam constraint model beam...

... solution because it results in no deflection or force. In fact, though, there are infinitely many solutions to the equation. The first two are 8 ϕ 2 = π − ϕ 1 9 ϕ 2 = 2 π + ϕ 1 These two solutions correspond to the first and second modes of bending, illustrated in Fig. 6...

... and bending stresses of this new drive are also analyzed. A manufacturing method of the proposed gear is studied, and a simulation of the machining process demonstrates its feasibility. The results show that the designers can design tooth profiles according to required sliding coefficients by the proposed...

... of the disk along distinct radial lines associated with the largest bending moment of the disk. The critical shock level at which failure originates increases with an increase in the clamp diameter, a reduction in the disk diameter, and an increase in the thickness of the disk. Some experimental results...

...Vipul Mehta; Mary Frecker; George A. Lesieutre Compliant cellular structures with an internal contact mechanism are described in this paper. Contact during deformation reduces failure-causing bending stresses through stress relief, thereby enabling such cellular structures to be stretched more than...

... also been used for the design of microscaled mechanisms such as microgrippers and microtransducers, especially as the scale involved does not allow the use of conventional roller-bearing type of joints. bending couplings finite element analysis manipulators 11 02 2008 23 09...

... and bending loads on the compliant members and enable large rotations while minimizing bending stresses. To generate nonlinear spring designs, the design parametrization is implemented into a genetic algorithm, and the objective function evaluates spring designs based on the prescribed load-displacement...

.... At last, the two models are applied to analyze the cartwheel hinge as an example. 15 06 2007 22 02 2008 11 07 2008 bars bending fasteners finite element analysis joining processes shear modulus Flexural pivots are increasingly popular with designs requiring one-piece...

... that the PRBM parameters are dependent on the selection of the effective tube thickness and moment of inertia, the lesson being that designers must take care to consider the thickness and moment of inertia values when deriving PRBM constants. 13 12 2006 17 01 2008 20 03 2008 bending...

... quantified. 29 12 2005 29 05 2006 beams (structures) bending elasticity finite element analysis beam flexure parallelogram flexure tilted-beam flexure double parallelogram flexure double tilted-beam flexure nonlinear beam analysis elastokinematic effect flexure design...

... influence on gear contact pattern and consequently on contact and bending stresses. It will also be shown that the double pinion planetary arrangement is more likely to result in off-centered loading. Parametric studies will be performed to show the influence of a few design parameters. Theoretical...

... on the gear mesh loads, tooth loads and bending stresses are computed for a number of unmodified and modified spur gears within a wide range of rotational speed for different involute contact ratios and torque values. Although similar models were proposed in the past, they were neither fully validated nor...

... at the nominal torque. This paper presents a numerical tool that simulates the loaded meshing of spiral bevel gears and experimental tests carried out on a real helicopter gear box. Tooth profile is defined by the Gleason cutting process and tooth bending effects and contact deformations are both taken...