Bonding Rear View Mirror Brackets to Windshield Glass

Objective

Heat steel, stainless steel, nickel chrome rear view mirror brackets and adhesive are to be bonded onto a section of windshield glass.

End Product

Mirror brackets

Equipment

• Ambrell 3kW induction heating system equipped with a remote workhead.

• An induction heating coil designed and developed specifically for this application.

Materials

Steel, Stainless Steel, and Nickel Chrome rear view mirror brackets measuring 1"(25.4mm) in diameter and 1/8" (3.2mm) thick. A 6" by 6"(152.4mm x 152.4mm) section of  windshield glass.

Temperature

300°F(148.9ºC)

Frequency

135 kHz

Testing

A unique four over four double wound pancake coil is used for the bonding application. A temperature of 300°F(148.9ºC) is applied for 5 seconds to bond the adhesive to the mirror bracket and glass.

Benefits

• Provide high strength bond upon cooling

• Low temperature avoids damage to components

• Minimal energy and time

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