Material Curing with Induction

Ambrell has over 10,000 systems installed in over 50 countries and many of them are material curing application installations.

curing materials with induction

Improve your material curing process without flame! Induction focuses energy in your part only. You don't need a torch or a costly batch or furnace process. Cure your materials in a repeatable, precise flameless process.

We offer exceptional customer service before and after the sale. Your material curing application will be analyzed and tested in the nearest Ambrell Applications Lab. There is no charge, and you will receive a system recommendation designed to deliver the best possible solution for your brazing requirements. Ambrell delivers the expertise, innovation and system quality to give your company a competitive edge.

Ambrell: About Induction Heating

Read our 4-page brochure "About Induction Heating". Learn more about how the science of induction technology can solve your precision heating problems.

Click to read one of our material curing Application Notes (after a brief registration). Learn more about:

Material curing involves any process where heat is used to catalyze or initiate chemical and molecular level structural changes in a polymeric materials such as epoxies, phenolics, polyesters and silicones. These materials are applied in many ways to various products for bonding, protective coating, sealing, insulation and other uses.

Air curing and hot fan curing are often used for curing small production runs, despite inconsistent results. Large production runs often are cured in batches in large ovens which must be run continuously. Induction heating provides a much better solution for adhesive curing.

Induction heating is widely used for adhesive bonding of metal parts at temperatures of approximately 200°F. Adhesive bonding relies on the localized heating of a metallic substrate to achieve accelerated melting/curing of the adhesive. The adhesive bond in this process is cured from the inside out, an obviously desirable condition. All trapped gasses are removed from the adhesive.

Induction heating of metal parts to adhesive curing temperatures is utilized in a many automotive processes, such as the use of thermosetting adhesives to produce clutch plates, brake shoes and auto bumper components. Shafts are typically bonded to the squirrel cage rotors in the manufacture of small motors. In copying machines, plastic components are adhesively bonded to aluminum rotors; a thermoplastic glue is used to hold foam rollers on metal shafts. Once the rollers wear out, the shaft is heated and the foam replaced.

Curing Surface Coatings

Modern induction heating can solve many of these problems. Heating with induction provides reliable, repeatable, non-contact and energy-efficient heat in a minimal amount of time, so that the curing process can be completed with minimal energy and time. Improved temperature ramping cycles can be achieved with computer control of the solid state power supply. To eliminate extra steps for loading and unloading ovens, induction heat stations can be incorporated into a production line. Finally, induction heating can be performed in extremely clean environments, vacuum conditions or special atmospheres, allowing for unique curing solutions.

Although induction heating is normally used with metals or other conductive materials, plastics and other non-conductive materials can often be heated very effectively by using a conductive metal susceptor to transfer the heat. Typical RF power supplies for curing applications range from 1 to 5 kW, depending on the parts and application requirements.

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curing steel curing_1 Curing Measuring Tape Paint The Ameritherm 20kW output solid state induction power supply along with a unique 30" long multi turn helical coil was found to produce the following results. apps_able.php
curing steel curing_2 Curing Adhesive on Steel Motor Shaft for Bonding A complex two coil system, shield and stud systems used to provide proper axial alignments of the shaft & coil while allowing the fixture to be open for removal of the shaft. apps_able.php
curing steel curing_3 Bonding Rear View Mirror Brackets to Windshield Glass A unique four-over-four double wound pancake coil is used for the bonding application. apps_able.php
curing steel curing_4 Curing the Inside Liner of Baby Food Bottle Tops A three turn oval pancake coil is used to cure the inside liner of a baby food bottle cap. The bottle cap travels through the coil at 25” per second to cure 500 caps per minute. apps_able.php
curing fabric curing_5 Curing Speaker Cone Epoxy Induction heating provides minimized coating defects, repeatable results and faster production times apps_able.php
curing ceramic curing_6 Curing Ceramic Fiber A special steel tube and coil combination is used to build an induction heating oven to cure the fiber on a continuous basis. The ceramic fiber travels in an alumina tube inside a hot steel tube apps_able.php
curing aluminum curing_7 Curing Alumium Car Molding Automotive manufacturers are constantly searching for cost-effective production technologies. apps_able.php
curing aluminum curing_8 Curing ink on aluminum bottle caps A double channel coil is used for the ink drying application. Fifteen bottle caps are placed inside the coil and power is applied for 3 seconds to dry the ink. apps_able.php
curing aluminum curing_9 Curing plastisol adhesive on an aluminum filter assembly A four turn helical coil is used to cure the plastisol adhesive. One filter end cap is filled with adhesive, attached to the filter and heated 90 seconds to cure the adhesive. apps_able.php
curing aluminum curing_10 Curing epoxy on aluminum copier roller assembly A four turn helical pancake coil is used to heat the end of the copier roller assembly. The assembly is heated 90 seconds to cure the adhesive. apps_able.php
curing aluminum curing_11 Curing a coating on both sides of an aluminum piston A three turn channel coil 19” (48.26cm) long is used to anneal 4 pistons running though the coil with a distance of 6” (15.24cm) between centers. apps_able.php
curing platisol curing_12 Curing plastisol adhesive on both ends of a filter assembly Induction heating provides improved distribution of heat, much faster cure time than heat plates previously used, much faster production rate and hands-free heating that involves no operator skill for manufacturing apps_able.php
curing steel/aluminum curing_16 Curing a coating by heating a steel tube and an aluminum block The client’s oven had a heating time of 20 minutes, so the time savings from a 90-second cycle are considerable. Additionally, induction is a repeatable process, unlike an oven and the induction system takes up less floor space than an oven. apps_able.php