Advantages of Extrusion Process
- Surface finish of the product is quite smooth with relatively close tolerance.
- High production rate since it is a very rapid process.
- Very dense structure of metal is obtained because of high pressure used and compressive nature of the process.
- It is an ideal process for producing parts of uniform cross-section in large quantities.
- Cheaper than pressure die casting.(Extrusion ratio, R for Steel = 40:1, and for Aluminium = 400:1)where
; ri = Radius of billet and rf = Radius of extruded part
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