[PDF] Top 20 Experimental and numerical analysis of side forces in a forging die

... Hot forging has been regarded as one of the main processing techniques due to high productivity and possibility of getting high deformation combined with very good mechanical properties of ...hot forging ... See full document

... As mentioned before, at each prescribed velocity, a series of results are computed using different AoA. In Figs. 13 and 14 the computed drag and lift forces are plotted as a function of AoA in the interval ‒5 to a ... See full document

... 33–34]. Analysis of wear and lifetime is an exceptionally difficult ...the forging process, and thus tool lifetime, has spurred the application of a series of CAD/CAM/ CAE and FEM tools for analysis ... See full document

... of experimental setup is shown in the Figure ...the forging temperature. The hot billet is then placed on the blocker die to remove the scaling and make the pre-form; the pre-form is then placed on ... See full document

... the forging process for a ball made of billet B5; it can be observed that initially the billet undergoes significant reduction, which leads to the formation of a technological ...the die parting plane and a ... See full document

... Higher-order numerical quadrature for a given displacement function ar e less sensitive to large aspect ratios than linear elements. Material nonlinearities are more sensitive to changes in the aspect ratio than ... See full document

... Radial forging was first developed in Austria in ...hot forging of small parts and cold forging of tubes over mandrels ...radial forging. Jang and Liou [7] also modelled radial forging ... See full document

... upper die flows more severely than that near the lower die, thus resulting in the significant increase in diameter of the upper surface ...cold forging. As the forging process continues, the ... See full document

... the die-billet constraint were also taken into account. The die load, instantaneous billet profiles, die pressure and strain rate within the billet, for both the lubricated and dry friction con­ ... See full document

... element analysis for flash-less cold forging of cup shaped article is ...of die cavity and ...the die and the work-piece is performed by SOLIDWORKS 2007 ...the die material is ... See full document

... position). Forces were found to be within the uncertainty region of the experimental measurements; drag was over predicted, lift was good for one case, but bad for the ...in forces prediction was ... See full document

... The TurboPiston Pump was invented to make use of merits such as, high flow rates often seen in centrifugal pumps and high pressures associated with positive displacement pumps. The objective of this study is to ... See full document

... inner side of the bend dominates over the centrifugal force, generating the flow at the bottom towards the centre of the bend and the flow at the surface towards the outer ... See full document

... the forging process of turbine blade, and got the maximum stress point tracking, a typical section of equivalent strain and load stroke ...lower die during the forging forming process, the stress ... See full document

... The composite specimens of dimensions 230mm×25mm×3mm are fabricated for the experimental work. An aluminium foil was introduced at mid plane 10%, 20%, 30% & 40% central delamination of specimen during ... See full document

... an experimental airbag test system to study airbag-occupant interactions during close proximity ...during side-impact ...of experimental tests (Pei et ...technology. Experimental and ... See full document

... The die material microstructure near the surface is gradually tempering due to contact with molten aluminium alloy, which reached temperatures of up to 740 ...the die gate where cracks are deepest and crack ... See full document

... for forging process, the distribution of stress and strain to be shown according to the volume of the deformed metal, the causes of defects in manufactured products to be identified, ...hot die ... See full document

... employed analysis techniques such as regression analysis to isolate what amount of the reduction that actually came from expanding capacity versus other factors such as the unemployment rate or the rate of ... See full document

... new experimental technique for testing intact eye globes in a form that is representative of in vivo conditions, and therefore suitable for determining the material properties of the complete outer ocular ...with ... See full document