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heating

PROCESSES


Annealing

Bonding

Brazing

Forging

Fusing

Hardening

Heat Staking

Heat Setting

Pre-Tinning

Susceptor Heating

Pre-Heating for Welding


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Bonding Metal to Rubber Gaskets

Research Objective

The objective of this induction heating application is to bond rubber gaskets to a steel gas tank intake manifold within 6 seconds at 350°F. without foaming.

Parts & Materials Description

Flat and round rubber gaskets, steel gas tank assembly

Temperature Required

350°F

Induction Heating Equipment

GH IA EB-2 Bonding System with dual 1kW power supplies, remote heat station and two specially designed inductors

Operating Frequency

179 kHz for the flat gasket; 237 kHz for the round gasket

Heating Procedure

Two two-turn pancake style inductors were specially contoured to the the shape of the steel assembly to produce uniform heat in the gasket areas. The steel assembly was initially heated without gaskets to establish a heating pattern and time-to-temperature. After a satisfactory heating pattern was obtained, the gaskets were positioned over the joint areas. RF power was applied for 6 seconds to reach the bonding temperature of 350°F.

Conclusion

Consistent and repeatable results were achieved with the EB-2 Bonding System operating at 350°F with a heat cycle of 6 seconds. By locally heating the steel directly under the gaskets with induction, the gaskets were consistently bonded to the steel without foaming. Bonding metal to rubber is an excellent application for innovative induction heating.

gasket

Steel gas tank intake manifold




bonding machine

Learn more about our EB-1 Bonding Machine