Products

Production Processes

  • (1) Material inspection

    The electromagnetic steel sheet used to make sensor cores is thoroughly inspected before being stored in inventory.

  • (2) Core winding

    Core winding process
    Electromagnetic steel sheet is wound to form cores.

  • (3) Annealing

    Annealing process
    Cores are arranged in a circular basket and heat-treated at a high temperature in an annealing furnace.

  • (4) Annealing

    Annealing process
    Cores are heat-treated at a high temperature in an annealing furnace to relieve mechanical strain and restore the magnetic properties to ensure high performance.

  • (5) Varnish impregnation and curing

    Automated varnish impregnation process
    Heat-treated cores are impregnated with varnish.

  • (6) Primary molding

    Primary molding process
    A layer of resin is molded onto a portion of each core.

  • (7) Gap cutting

    Gap cutting process
    A portion of the each partially molded core is cut to create a gap.

  • (8) Ultrasonic welding

    Ultrasonically-welded casing
    Cutting process
    Photographed from the secondary molding process side

  • (9) Final inspection

    Each sensor core is inspected by an automatic inspection system and the cores are arranged in trays.