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Aerofix 100 Adhesive insert
Häfele developed the Aerofix 100 adhesive insert as a variably adjustable screw-on point for lightweight panels with a top layer of 4 mm, also known as an adhesive dowel. The insert makes it possible to absorb high pressure, pull and shearing forces.
In order to absorb the forces the Aerofix 100 bypasses the core mechanically and chemically and therefore connects the two 4 mm top layers, achieving considerably better pull-out resistance than sleeves that are fitted at one side. Possible thickness differences in lightweight panels are easily compensated for.
The housing engages mechanically into the upper top layer providing a secure connection, and lies flat against the lower top layer. Therefore the mounting lugs must engage beneath the top layer.
An extremely expansive single component PUR adhesive is metered by storing it in the housing in an integrated adhesive cartridge. When the insert is pushed into the drill hole, the inner element is pushed into the housing and the adhesive is forced out of the cartridge. Therefore the chemical process is triggered, without having to use additional tools to apply the adhesive. Fully cured within 16 hours.
ⓐ Adhesive cartridge
ⓒ Inner part
Lightweight panel with 4 mm thin chipboard top layer
Application with Rafix HC
Drill a 10 mm boring hole at the desired spot into one cover layer. Choose a boring depth that removes the core and only the glue on the bottom cover layer.
Press the Aerofix® 100 into the bore hole, it will lock itself into place mechanically while releasing the glue from the capsule. This makes it possible for screws to be screwed into the insert before the glue cures.
Pressing in the sleeve activates the chemical adhesive process. 1-K-PUR adhesive spreads out onto the upper and lower cover layers and hardens completely within 16 hours. After the adhesive has hardened, the adhesive sleeve is fully functional under normal loads.
For drill hole Ø10 mm
Drilling depth D = panel thickness – top layer thickness