Induction heat sealing is a simple non-contact process that transfers heat using the power of electromagnetic induction. While it may sound daunting, it is used in a great number of industrial processes like welding, sealing and even cooking.
Induction sealers are also known as heat sealers. They transmit an electromagnetic field which creates eddy currents in a metallic foil attached to the bottle or the container. This foil is generally an aluminium based foil. This inner seal usually within the cap or lid is placed in the magnetic field and the eddy currents heat the foil seal. A bonding layer laminated to the Foil layer and in contact with the neck or rim of the container melts and forms a bonding layer once the heating has stopped and the liner and container surfaces cool down.
Induction sealing machines comprise a power source, a sealing head or coil and a cooling system. There are two levels of Induction sealing machines we offer: Entry Level Low Cost Induction Sealing Machinery and High End Medium Priced Induction Sealing Equipment. In both levels of our induction sealing equipment we stay away from water cooling; all our units are air cooled.
We are committed to delivering the most technologically advanced and cost-effective solutions for your operation. Our application particular solutions make certain of maximum uptime and performance. Benefel’s unparalleled support and induction sealing innovations empower packaging operations around the globe.
Earlier, traditional induction sealers were cooled by water, and the power generator used to be at the floor level. This used to be connected to the sealing head, mounted above the conveyor, by combined electrical and cooling cables. Modern sealing machines are air-cooled. This provides for a more compact machine. And the entire unit can be mounted above the conveyor.
Innovation continues to push induction sealing technology forward. This innovation has led to not only smaller systems as electronics have gotten smaller but also simplified the induction sealer by eliminating the need for a water cooling system for most applications. Today’s induction sealer requires very little maintenance and has unmatched reliability. Induction technology is now available to seal containers without a rigid plastic cap! Whether you want to seal your product with or without a cap, inspect the package and then cap the package or if your application does not call for a cap(e.g. yogurt, juices) Benefel’s induction technology provides many benefits over the hot plate used in conduction sealing.
Induction sealing systems come in many different shapes & sizes. Your application and production requirements determine which system is right for you. Our SealerOn Induction Machine Range is designed for both laboratory testing , manual environments and slower line speed applications. In addition, we offer The MeRo Induction Machine Range – High End Medium Priced Induction Sealing Equipment with unique features like adjustable width heat sealing tunnels and energy Transfer process validation measurements. Whether your product is packaged at only a few containers a minute or hundreds of containers per minute, Benefel has an in-line system that will seal your product.