Activating an adhesive or bonding layer by heating the metal it is bonded to.
Bonding joins components with an adhesive or polymer layer that is activated by heat and cures under pressure. Unlike brazing, no metal melts; the joint is the bonding layer itself.
The process is governed by temperature and time. Under-heat and the bond does not develop full strength; over-heat and the adhesive degrades. Both failures look identical from the outside, which is why the cycle has to be controlled rather than judged.
Induction heats the metal component directly, and the bonding layer is heated through the metal it is in contact with. That is the opposite of an oven, where heat has to travel inward from the outside, and it is why induction bonding cycles are measured in seconds where oven cycles are measured in minutes.
The heat goes into the metal that is in contact with the bond line, so the bond reaches temperature first rather than last.
Short cycles allow rotary indexed production rather than batch curing.
Everything outside the coil stays cool, so heat-sensitive components in the same assembly are unaffected.
Temperature and time are held by the PLC, so the bond strength is a process output rather than a hope.
We will confirm the configuration for your material, component geometry and production requirements.
Every bonding system has a cure window defined by its manufacturer. The machine has to hit that window, which means the cycle is developed from the adhesive specification and then verified by destructive testing on real assemblies.
Send a drawing, the material, the case depth or temperature you need, and your production rate. Our engineers will help define the right machine for your process.
