Metal Extrusion Practice For Manufacturing
Metal extrusion practice, in manufacturing industry, must take into consideration a variety of factors, many of which will be specific to each particular operation. The type of material, size of…
Swaging
Swaging is a process that is used to reduce or increase the diameter of tubes. A swagged piece created by placing the tube inside a die that applies compressive force…
Indirect Extrusion
Indirect extrusion is a particular type of metal extrusion process in which the work piece is located in a chamber that is completely closed off at one side. The metal…
Direct Extrusion
Direct extrusion is a similar metal extrusion process to the one illustrated in figure 208. In direct, or forward extrusion, the work billet is contained in a chamber. The ram…
Cold Extrusion Or Hot Extrusion
Metal extrusion is a forming process, like other metal forming processes, it can be performed either hot or cold. The characteristics of hot forming and cold forming were discussed in…
Metal Extrusion
Metal extrusion is a metal forming process in which a work piece, of a certain length and cross section, is forced to flow through a die of a smaller cross sectional…
Hot Cold Working and the Rolling Process
Hot & Cold Working The distinction between hot working and cold working does not depends solely on the temperature, but rather on the processing temperature with respect to the material…
Classification of Metal Forming Processes
1. Compressive Forming Processes: In these processes the plastic state is reached by application of uni-axial or multi-axial compressive forces. Examples are forging, extrusion, rolling, indenting, coining, etc. (Fig. 2.2)…
Elastic/Plastic Deformation
When a sufficient load is applied to a metal or other structural material, it will cause the material to change shape. This change in shape is called deformation. A temporary…
Balancing Machines – Types, Classification, and Methods
The goal of rotor balancing is to reduce unbalance enough such that it can operate properly once installed on site. Reducing unbalance reduces vibration and increases efficiency and life of…


