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BRONZE SPLIT WASHER • Protects more costly top-head
WIRE CARRIER WITH SWIVEL LET-OFF AND CARBIDE FORMING PIN
The SDC Modular Wire Carrier equipped with a swivel let-off and a
carbide forming pin has been the carrier of choice for braiding stainless
steel. Introduced in 1999, this carrier is ideal for eliminatiing heat and
friction and the damage to the wire resulting in debris. It is available
with a 6 inch traverse steel bobbin for wire braiding.
This carrier has also been used very effectively for braiding high tech
fibers such as Kevlar and Spectra. For these applications a composite
aluminum and nylon bobbin with 8, 10 or 12 inch traverse is used.
SWIVEL LET-OFF
The swivel let-off supports the wire on a pulley mounted on a ball
bearing. The pulley is supported on a swivel with a pair of ball bearings
that allow the pulley to follow the braiding point while the carrier is
rotating relative to the braiding point as it follows a sinuous path about
the center axis of the braiding machine. The rolling action of the wire on the let-off pulley eliminates
friction and heat at the let-off. This is a greatadvantage, especially for
stainless wire, since the abrasive qualities that cause problems for
let-off eyelets is neutralized. Since the swivel let-off also does not
form the wire, if the wire is to be formed a separate carbide forming pin
is added to the carrier in a position that does not scrub the wire again
minimizing damage and debris. The swivel let-off is also effective for a
much larger range of tension. In some special applications the swivel
let-off is being used at tensions up to 75 pounds. For this reason the
swivel let-off is versatile and is often used for all types of wire and
high tech textiles such as Kevlar.
HIGH TENSION CARRIER The high tension carrier was introduced in 1995 for braiding up to 48
ends of high strength stainless steel wire of up to .016 inch. in
diameter. This carrier has a heavy duty aluminum retainer and uses heavier
springs than the standard carrier. It can be used for tensions up to 75
pounds but requires some reduction in speed depending on the
tension.
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