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Seamless Deep Drawing
Deep drawn enclosures are commonly used as housings for electronic & mechanical components.
The kind of items produced using the deep drawing
production method range from very small eyelets to large
enclosures, the type of boxes one might find on industrial
production equipment. These enclosures are used in a variety
of applications, including relays, solenoids, RF shields and
assembly housings.
The outcome is seamless parts at an
economical price.
The Process
The deep drawing process combines many benefits of
metal spinning and stamping
with several other advantages.
Spinning and drawing
both result in the production of seamless
parts. Depending on quantities, either process is
cost effective.
One similarity that deep drawing shares
with spinning metal is the ability to manufacture circular
cases. Additionally, deep drawing enables the production of
parts such as rectangles, squares, and cylinders.
And
like metal spinning, deep drawing produces parts from blanks.
Utilizing single piece blanks, common in the deep drawn
process, enables the drawing process to create parts with
deeper shapes.
Typically, the deep drawing press pushes
material from a reel, or single blanks, through multiple
positions. At each position the shape is changed by pressing
or "drawing" the material further down into a progressively
changing set of geometric dies until the final shape is
acquired.
Whether the process requires a single draw
operation, or multiple drawn operations to create the desired
resulting form, largely depends on the metal being used and
the requirements of the finished product.
The part
configuration is limited by the required force to produce the
shape, which is dependant on the size of the drawing press,
the material's malleable characteristics and it��s ability to
be drawn.
In another similar process, single blanks are
held in place and pressed into the cavity of the custom shaped
die to produce the item.
Deep drawing is different from
stamping. Stamping often requires that the
material used be transported along on a strip called a
carrier, through completion until the last operation is
performed on the piece. It does not leave the machine until
the process is complete. Deep drawing utilizes single piece
blanks to permit deeper drawn shape parts. Deep drawing does
utilize strip feed material when draw depths are limited to
the part diameter. The blank is simultaneously cut from the
strip while the draw plug forms the part profile.
There
are many metals suitable for deep drawing including
stainless steel, aluminum,
brass, copper and
cold rolled steel. The only real requirement
is that the metals must be malleable, allowing the part to be
forced into a shape without suffering from excessive stress
damage; resulting in cracks during the deep drawn
process.
Products & Services
Our deep drawn enclosure department specializes in fabricated / prototype cans, deep drawn cans and covers made from various metals and alloys (Ferrous and Non-Ferrous). In addition to drawing your cans, we can hot tin dip (RoHS Compliant) and hot solder dip (60/40 Sn/Pb) your cases and covers.
Capabilities include:- quality high and low volume stampings (miniature to medium part size)
- temporary and permanent tooling
- precision forming
- draw
- deep draw
- progressive, compound, and transfer dies
- plating
- laser marking
- insulation feet installation
- studs
- threaded inserts and pem nuts
- soldering
- terminal populating
- hole piercing
- glass feed through terminals
Deep drawn cans are an attractive alternative for prototype development. Once your prototype design is fixed, our tooling experts will design, machine and assemble the tooling for your low or high volume components.
competitive tooling charges
custom modifications to your specifications
low minimums
small and large production runs
low tooling costs on non-standard cans
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