[PDF] Top 20 Preform Design in Forging and Tube Hydroforming Processes.

... In summary, the removable wrinkle in the THF process can improve the formability of the tube. In general, two types of initial loading paths can be used to form wrinkles, one is the lower pressure with high axial ... See full document

... the preform shape design, e.g. shell nosing, disk forging, turbine blade forging, rib-web forging and also in the extrusion process ...deformation processes. This method was ... See full document

... make piping systems much safer for long- distance and high-pressure transportation [8]. A numerical investigation was done by Mac Donald and Hashmi [9] to study hydro forming of bimetallic tubes in a cross die in which a ... See full document

... Hydroforming processes have become popular in recent years, due to the increasing demands for lightweight parts in various fields, such as bicycle, automotive, aircraft and aerospace ...rolling, ... See full document

... branch forming with a counterpunch with a validation of an aluminum alloy THF. An adequate loading path was searched using the fuzzy control algorithm, and the quality of the hydroformed product was improved compared to ... See full document

... Abstract:- Tube hydroforming (THF) is currently an active area of development in the automotive industry on account of its advantages it offers in comparison to other manufacturing ...process design ... See full document

... roll forging tech- nique, Eratz Engi neering developed commercial forging software to aid the design of tool segments for roll ...a forging, the following: a schematic of the cross section of ... See full document

... crushing processes combined with preforming and hydroforming are only about 5% and 7%, respectively, of those in the expansion ...crushing processes are much more uniform than those by the hydraulic ... See full document

... steel, hydroforming, ...[1]. Hydroforming procedures have been developed specifically for the manufacture of the geometrically most demanding parts, which cannot be produced using other forming ... See full document

... mechanical design and manufacturing fields. Later, Karan did a project in Tube Hydroforming at the Defence Institute of Advanced Technology (DIAT), ...manufacturing processes and the author ... See full document

... In tube hydroforming, the process is limited to thin tubes due to the power requirement to perform the ...in forging is cylindrical or block shape solid ...both processes due to work hardening ... See full document

... This section dedicated to the optimization of tube hydroforming process highlights the need to know the limits of feasibility domain. These analytics can be order, geometrical and numerical. The objective ... See full document

... the forging press (capacity of press depending upon area of the actual brake pad) and having speed 50-500 ...The preform is fully consolidates to its near theoretical density on ... See full document

... In this paper, for the first time, a comprehensive experimental investigation was performed on hydroforming process of metallic bellows. The effects of selected process parameters and their interactions on the ... See full document

... Traditionally, the loading paths are determined by an it- erative “trail-and-error” process and rely on past experience and simple equation. For example, axial feed for a specific part can be estimated by using volume ... See full document

... of tube is placed over the mandrel and positioned against the clamp ...the tube to securely hold it in ...the tube around ...the tube allowing it to be formed around the bend ...the ... See full document

... However, these advantages come at a cost. Reduction in contact area reduces the forming loads, but results in highly localized deformation that is difficult to control or predict. Complex shapes can be formed because of ... See full document

... Common Applications of Forging- Automotive passenger cars, trucks, buses, trailers, motorcycles and bicycles. Bearings, ball and roller. Electric power generation/transmission. Pipeline fittings. Plumbing ... See full document

... incremental processes are kinematic controlled) was named “hard loading” as it leaves almost no freedom for the material for any accommodation ...incremental processes is that elastic deformation of the ... See full document

... is done on fixed weight basis as per the design (say in Fig.1) and densities of respective layers. Both the layers of powder mixture are simultaneously pressed in a Screw forging press with the help of ... See full document