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3.0 SHEET METAL PROCESSES
against the punch. The cup travels with the punch; in this way, deep drawability is
improved.
Figure 3.30 Process of hydroform (or fluid-forming).
6. In tube hydroforming, metal tubing is formed in a die and pressurized internally by a
fluid.
7. Fig 3.31 (a) shows the schematic illustration of the tube-hydroforming process. (b)
Example of tube-hydroformed parts. Automotive-exhaust and structural components,
bicycle frames, and hydraulic and pneumatic fittings are produced through tube
hydroforming.
Figure 3.31 (a) Schematic illustration of the tube-hydroforming process. (b) Example
of tube-hydroformed parts.
BPLK 90 DMV 20173
