Precision Steel Deep Drawn Part

Deep drawing sheet metal is a form of stamping that is generally defined by the ratio of the width to the height of a finished piece, such that the height of the stamping is greater than its width.

The key benefits of this technology translate to:

· Ability to draw a wider range of materials and shapes

· More uniform grain in the deep drawn material

· Improved cosmetic characteristics of the finished product

Common imperfections such as pitting, surface voids, stain, wrinkles and cracks can be eliminated with proper planning.

ADDITIONAL PROCESSES EMPLOYED DURING DEEP DRAWN STAMPING OPERATIONS

Deep drawn stamping operations often incorporate other forming and finishing processes to achieve more complex and/or finished parts and products. Some of the typical processes employed include:

Adding beads, ribs, and flanges: Industry professionals often add geometric features – such as beads, flanges, and ribs – to stamped parts to impart strength and rigidity to areas that may be too weak or flexible. When carefully incorporated into the part design, these features can allow for the reduction of a part’s thickness without sacrificing structural integrity.

Bulging: The bulging process uses specialized expansion punches to expand the walls of a part. The expansion can target the entire piece or a section and create asymmetrical or symmetrical shapes.

Coining: The coining process employs the use of closed dies that confine or restrain the entirety of the workpiece to produce intricate features to tight tolerances.

Curling: The curling process forms a rolled edge at the open end of the workpiece.

Dimpling: The dimpling process creates an indent in the workpiece for use in future flush riveting or bolting operations.

Embossing: The embossing process creates raised or depressed designs on the metal.

Extruding: Extrusion – also called hole flanging – is a process that draws a flange around a hole in the workpiece.

Hole forming: Holes can be formed using traditional, extruding, and piercing punches.

Ironing: The ironing process reduces the thickness and smoothens the surface of the part’s walls.

Marking: The marking process is used to add identifying characters, such as designs, numbers, or words, to the workpiece.

Necking: The necking process reduces the diameter of a particular section of a cylindrical workpiece.

Notching: The notching process creates cuts – i.e., notches – along the edge of the workpiece for future mounting or clearance demands.

Threading: Taps, dies, or a wheel and arbor set create threads along a portion of the part.

Trimming: The trimming process cuts scrap material off a partially or fully finished part.

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