Metal adhesive can be used in temperatures of up to 180°C

Industrial adhesives developer DELO has developed a metal adhesive for electric motors that is said to combine a broad temperature range with fast and simple production processes.

The DELO-ML DB154 adhesive is a light curing methacrylate, designed mainly for bonding tasks in electric motors, including bonding of buried magnets, rotor packages and shafts to hubs. It is suitable for use in temperatures of up to 180°C and is said to have a shear strength twice that of other methacrylates at the same temperature. The adhesive is also said to retain its strength, even with frequent contact with gear oil, motor oil and gasoline.

Cured by exposure to UV or visible light, initial strength is achieved within 6s, with the dual curing adhesive achieving full strength under exclusion of oxygen.

The medium viscous adhesive adheres to steel and aluminum, as well as to rare earth magnets. If an activator is used, metals can also be joined to a component made of plastic.

Author
Graham Pitcher

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