Views:8 Author:Site Editor Publish Time: 2018-07-14 Origin:Site
Blind rivets, commonly referred to as "pop" rivets (POP is the brand name of the original manufacturer, now owned by Stanley Engineered Fastening, a division of Stanley Black & Decker) are tubular and are supplied with a mandrel through the center. The rivet assembly is inserted into a hole drilled through the parts to be joined and a specially designed tool is used to draw the mandrel into the rivet. This expands the blind end of the rivet and then the mandrel snaps off. These types of blind rivets have non-locking mandrels and are sometimes avoided for critical structural joints because the mandrels may fall out, due to vibration or other reasons, leaving a hollow rivet that has a lower load-carrying capability than solid rivets. Furthermore, because of the mandrel they are more prone to failure from corrosion and vibration. Unlike solid rivets, blind rivets can be inserted and fully installed in a joint from only one side of a part or structure, "blind" to the opposite side.
Blind Rivets-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.
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.
Fast Assembly - Because blind rivets can be set in seconds Literally.
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.
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.
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.
No Surface Marring - Setting tool won't slip and mar polished or finely finished surfaces. No dents, dimpling, or wrench marks.
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.
High Grip and Pull-Up Strengths - A blind rivet draws parts together, even when a gap exists between parts.
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.
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 pro