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A Blind rivet consists of two parts the blind rivet body and, within it,
the setting mandrel, as shown in the accompanying drawing.
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The blind rivet body is inserted in a hole in the materials to be
joined.
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The tool is actuated and the jaws of the power operated or
manual riveting tool grips the mandrel of the rivet.
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The blind rivet is set by pulling the mandrel head into the rivet
body, expanding it, and forming a strong, tight, reliable
joint. At a predetermined setting force, the mandrel breaks
and falls away.
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Advantages of Blind Rivets.
The
Ability to set blind rivets without the need for access at the back
of the work makes their use mandatory in many instances.
However,
their many additional advantages make blind rivets the logical
choice in numerous applications where the blind-setting feature is
not of primary importance. Following are some of these important
blind rivet advantages compared with conventional fasteners.
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Low in Place Costs - Real or "in place" costs are
often lower than those of other fasteners because of their speed
and ease of application.
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Fast Assembly - Because blind rivets can be set in
seconds Literally.
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Low-Cost, Lightweight, Easily Portable Tools - Manual
or power tools are easy to take to the work place, reduce
operator fatigue, and minimize capital expenditure.
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Strong, Reliable Fastenings, Independent of Operator Skills
- Blind rivets don't torque out like threaded fasteners,
wasting time and material. Correct setting pressure is
predetermined by the breaking point designed into the mandrel.
So you get uniformly strong, reliable fastenings the first time
- all the time.
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Vibration-proof assembly - Blind rivets won't back
out or vibrate loose and fall out like threaded fasteners. You
eliminate costly call-backs due to faulty fastenings.
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No Surface Marring - Setting tool won't slip and mar
polished or finely finished surfaces. No dents, dimpling, or
wrench marks.
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Exception Versatility - Blind rivets hold Securely in
thin or thick, soft or hard materials, ideal for dissimilar
materials, first choice for plastics and other easily damaged
components.
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High Grip and Pull-Up Strengths - A blind rivet
draws parts together, even when a gap exists between parts.
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Tamperproof - Ideal for public transportation and
other public facilities where tampering and vandalism are
problems. Excellent for fastening limited-access panels;
authorized personnel with correct equipment easily drill out
blind rivets and replace in seconds.
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Increased Design Flexibility - Setting without need
for access at back, minimum backup space requirements,
versatility, and neat appearance are just a few of the blind
rivet attributes that contribute to design flexibility and
improve the quality of the finished product.
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