The case about bonding damaged glass surface

An imported FRP radome was pranged a big hole by accident resulting that the aluminumbeehive frame of internal structure was exposed. Using the product can bond surface treatment. Firstly, use the knife to smooth the surface. Then, clean the fragments and dust with a cotton yarn soaked in acetone.

Adhesive technology:

1. Use the adhesive on aluminumbeehive surface according to the proportion. Then make glass fiber cloth fill the hole. Paste three alkali-free glass fiber cloth (0.1mm thick) on the glass fiber cloth. The covered surface should be lower 0.2mm than the original antenna surface.
2. Cover the surface of substrates under cable insulating paper in case of pollution. After curing 24 hours at room temperature, the surface can be repaired. Use the special strike-off board whose radian is the same with antenna to cave the the conducting resin adhesive, then repair surface as smoothly as the original one.
3. The product will cure after heated by infrared lamp to 80℃ 4 hours.
4. After bonding, the surface should be sprayed three safeguard coating. It can recover and satisfy the design requirements. The test motor needs to bond three arc permanent magnets with axis. The rotor speed is very high with high temperature to 200℃

Bonded rare earth magnet and rotor

The test motor needs to bond three arc permanent magnets with axis. The rotor speed is very high with high temperature to 200℃

If the customers use 204 resin adhesive, the bonding process is below.
1. Use the abrasive paper to abrade the surface of rotor. Clean the bonding surface of magnet steel and rotor by the acetone cotton yarn.
2.Use the 204 resin adhesive on double surface of substrate. Then cool it for a moment. Position and bond substrate before clean the remain adhesive. Moreover, clamp and fix the substrates. It is better to fix magnet steel substrates without moving. There is worth noting that do not fix too tightly. Otherwise, the rare-earth magnet steel will flaw and displace the bonding position.
3. Put the adhesive substrates and fix tool into oven together.

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