Precision Metal Stamping of Bandoliered Components - Applications, Benefits, and Options

The process of bandoliering involves the use of aThe most significant benefit of the bandoliering
delivery member (a "band", or "carrier") that conveysprocess is related to the fact that the stamped
components from one point to another. In thecomponents all exit the die in an "ordered"
precision metal stamping arena, bandoliering has beenconfiguration, ready for an assembly process (either
used extensively for manufacturing components suchmanual or automated) or for other secondary
as pins assembled into electronic connectors.operations while still on the band (carrier). Related to
Bandoliered components are formed by a specialthis benefit is the fact that this process also lends
type of precision metal stamping die (referred to asitself to other manufacturing operations that can be
a progressive bandolier die), which is operated in aperformed inside the die (discussed later).
mechanical press (typically 60 ton, or greater). RawSecond, the types of applications for which
material in the form of wire (ferrous or nonferrous) isbandoliering may be employed are numerous. The
fed into the die to be formed (stamped) into thefollowing are examples of various industries that
final desired component, and raw material in the formcould employ this process: Medical devices (e.g.,
of strip is introduced into the die to be formed intosurgical components), Orthopedic components (e.g.,
the bandolier to carry the final component. This articlepins), Electronic connectors (e.g., connector pins),
expounds on the use of the bandoliering techniqueMilitary components, as well as many other industries
for manufacturing various types of precision metalapplications.
components. Specifically, the following will beLastly, a bandoliered process can provide for various
discussed: (1) the benefits of bandolieredmanufacturing operations to be performed either
components, (2) examples of various applicationsinside the precision metal stamping die, or outside of
that can employ bandoliering, and (3) variousthe stamping die (while the components are still
manufacturing options that can be incorporated intolocated on the bandolier). Some examples of in-die
this process.operations that can be performed include: coining,
First, the benefits of producing a precision metalsharpening, machining, assembly, and welding.
component in a bandoliered configuration (mainly forExamples of secondary operations performed outside
high volume applications) are threefold: (a) reducedof the die (while the precision formed components
unit cost, (b) repeatable quality, and (c) in-lineare still on the band) include: cleaning, coating,
post-processing. Unit cost can be reduced due to theheat-treating, and automated assembly.
fact that the stamping operation is performed in aHigh volume applications for stamped metal
progressive precision metal stamping die, and alsocomponents should be evaluated to see if a
because of the fact that the bandoliering processbandoliered application could be used, especially if the
allows for time-saving secondary operations (such asneed is present for secondary operations such as
assembly), which reduce overall unit cost. Quality isassembly, or other operations as discussed above.
inherently repeatable in a progressive stamping die.