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Jul. 29, 2022
Blind rivet studs allow the supported component to be prepositioned on the supporting part. This is particularly useful for heavy or oversized components or where the mountings are hidden. These fastenings offer all the advantages of the other ranges, i.e., ease and economy of installation, flexibility, and environmental sustainability.
Blind rivets studs are the most versatile solution for adding a load carrying internal or external thread to thin-walled workpieces. They can be installed into plastic or even ceramic components and all metals. The blind, i.e., one-sided setting technique means that blind rivet nuts and studs are often the only fastener solution for hollow sections, housings, or where access is limited to one side of a component.No additional finishing is required after setting, even with coated or painted components. Thus, blind rivet nuts and studs can be fitted at any stage in the production process, making their use extremely flexible. Unlike welded captive nuts, blind rivet nuts and studs do not subject the components to the damaging effects of high temperatures. The short time it takes to set them up and their low installation costs mean that blind rivet nuts and studs have clear economic advantages compared with all other fasteners: Cumbersome presses or pliers are not required. Blind rivet nuts and studs connections can be safely made and remade without performance loss.
Unique designs of blind rivet nuts and studs, Even more uses are opened up by blind rivet studs in specially designed product variants, Captive screw with spacer function; on request, we can manufacture studs with the same options as the blind rivet nuts (zinc-nickel surface treatments, stainless steel with unique surface treatments, studs with unique chamfer end geometry): Blind rivet stud, coarse thread for assembly of plastic components by pushing or tapping into place. | |
Applications Refrigeration plant, ventilation systems, air conditioning equipment, securing panels and hoses to vehicle chassis, rails in switch cabinets, exhausts, or electrical components in motor vehicles. |
Advantages:
1. Easily preposition mating parts before tightening (useful for heavy or oversized components or where the mountings are hidden)
2. Create a reusable stud thread equivalent to class 8.8 screw
3. Offers all the advantages of the range, i.e., ease and economy of installation, flexibility, and environmental sustainability
Elastic – Vibration damping characteristics
Advantages:
1. Vibration and noise damping
2. Electrical and thermal insulation
3. Tolerance compensation – Stress reduction
A.Stresses caused by tolerance stack-up (on the component to be fastened)
B. Thermal expansion
C. Dynamic fastener
4. Simple to fit. Setting (bulge clamping) takes place during assembly
5. Easy to disassemble and re-use.
6. Permits flexibility in design thanks to dimensional variability
Elastic rubber blind rivet nuts are an easy-to-install fastener that allows vibrating components to be attached and provides damping while helping prevent noise transfer. In addition, it provides an electrically insulated screw connection between components A and B. The fastener consists of a threaded metal insert and a supporting component of a thermoplastic elastomer. The threaded metal insert, in this case, brass, is extrusion coated with EPDM-X+PP. The Elastic blind rivet nuts fastener is inserted into the mounting hole from the front face of the workpiece. The clamping nodules prevent the fastener from falling out before assembly is completed. As only the bottom part of the brass insert is attached to the elastomer, when a screw is inserted and turned, the elastomer forms a bulge, which presses against the underside of the supporting workpiece. If component A is made from steel with a screw hole by DIN ISO 273, then Elastic should be used without a washer. For a plastic al, aluminum, or steel component with an elongated hole, it is preferable to use Elastic rubber blind rivet nuts with a washer. A clamping torque can be specified to suit the compressive strength of the connection components.
Technical specification: The clamping torque MA depends on the connected materials and the strength class of the screw. The clamping torque and the axial proof load F should be tested for each application and adjusted to suit the specific requirements. Resistance to thermal ageing*of the elastomeric part (TPV) |
The Elastic female thread is manufactured to standard commercial tolerances (6H as per ISO 68-1). It can also be manufactured with Imperial threads for plastic, aluminum, and steel components with a slotted hole.
Blind captive nuts provide an economical alternative to threaded rivets as they are easy to install and remove without special tooling. This feature makes them ideal for low-volume or on-site applications, but users benefit more significantly from the ease of assembly and in-place performance. Blind captive nuts are produced with white or black nylon cages and brass or stainless steel inserts. We can also supply blind nuts in many imperial thread sizes.
Features
• No special installation tooling is needed
• Covers all grip thicknesses
• Spring tension nylon cage holds the nut securely until the final assembly is made
• Protects brittle or painted surfaces as only the nylon cage comes into contact with the sheet or other metal
• Made from corrosion-resisting material
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+86 020 8621 0320
+86 020 3121 6067
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