Metal Stamping Materials and Processes

Little is known about this process, what type ofThis article expounds on the use of the
machinery it uses or how it benefits our lives. Thebandoliering technique for manufacturing various
truth is simple. The process of metal stampingtypes of precision metal components. Specifically,
and the products it produces are virtually unlimited.the following will be discussed: (1) the benefits of
Today, this process helps your car operate,bandoliered components, (2) examples of various
medical equipment function and supplements otherapplications that can employ bandoliering, and (3)
key components of our daily life.various manufacturing options that can be
Metal stamping operations utilize leading precisionincorporated into this process.
stamping presses including Bruderer, Kyori, Ingyu,First, the benefits of producing a precision metal
and Minster with sizes ranging from 5 tons - 220component in a bandoliered configuration (mainly
tons. Materials used in the process includefor high volume applications) are threefold: (a)
Beryllium Copper, Phosphorous Bronze, Stainlessreduced unit cost, (b) repeatable quality, and (c)
Steel & Copper and Cold Rolled Steel within-line post-processing. Unit cost can be reduced
thickness ranging from 0.002" to 0.180". As adue to the fact that the stamping operation is
result, manufacturers have the capability toperformed in a progressive precision metal
provide services and products for a wide varietystamping die, and also because of the fact that
of industries.the bandoliering process allows for time-saving
The Metal Stamping Process is put to use for asecondary operations (such as assembly), which
number if industries, including:reduce overall unit cost. Quality is inherently
* Automotive parts stampingrepeatable in a progressive stamping die. The
* Medical stampingmost significant benefit of the bandoliering process
* Stamping for mobile devicesis related to the fact that the stamped
* Stamped and drawn shields for industrial andcomponents all exit the die in an "ordered"
electronics industriesconfiguration, ready for an assembly process
* Bandolier(either manual or automated) or for other
* Bandolier wiresecondary operations while still on the band
* Header pins(carrier). Related to this benefit is the fact that
* Contact pinsthis process also lends itself to other
* Terminalsmanufacturing operations that can be performed
* Sleeved terminalsinside the die (discussed later).
* Reel to reelSecond, the types of applications for which
* Precision miniature stampingbandoliering may be employed are numerous. The
* High speedfollowing are examples of various industries that
* Microcould employ this process: Medical devices (e.g.,
* Stainless steelsurgical components), Orthopedic components
* Medical Stamping(e.g., pins), Electronic connectors (e.g., connector
In addition, several types of metals are used inpins), Military components, as well as many other
the process, including:industries/applications.
* AluminumLastly, a bandoliered process can provide for
* Berylliumvarious manufacturing operations to be performed
* Brasseither inside the precision metal stamping die, or
* Bronzeoutside of the stamping die (while the
* Cold Rolled Steelcomponents are still located on the bandolier).
* CopperSome examples of in-die operations that can be
* Mylarperformed include: coining, sharpening, machining,
* Phenolicassembly, and welding. Examples of secondary
* Stainless Steeloperations performed outside of the die (while the
* Teflonprecision formed components are still on the
* Titanium and more!band) include: cleaning, coating, heat-treating, and
The process of bandoliering involves the use of aautomated assembly.
delivery member (a "band", or "carrier") thatHigh volume applications for stamped metal
conveys components from one point to another.components should be evaluated to see if a
In the precision metal stamping arena, bandolieringbandoliered application could be used, especially if
has been used extensively for manufacturingthe need is present for secondary operations
components such as pins assembled intosuch as assembly, or other operations as
electronic connectors. Bandoliered components arediscussed above.
formed by a special type of precision metalThe parts manufactured during the metal
stamping die (referred to as a progressivestamping process vary from tiny parts in material
bandolier die), which is operated in a mechanicalas thin as .05mm to larger frames and heavy
press (typically 60 ton, or greater). Raw materialduty metal components. Precision presses vary in
in the form of wire (ferrous or nonferrous) is fedsize from 5 tons to 220 tons, and with speeds up
into the die to be formed (stamped) into the finalto 1,500 per minute. Stamping services also have
desired component, and raw material in the formskiving equipment to contour metal thickness and
of strip is introduced into the die to be formedconfiguration as required.
into the bandolier to carry the final component.