Split Core

Application

      Toroidal or rectangular split core are produced according to customers’ specifications and widely applied to manufacturing of instrument transformers, energy harvester, open structure current transformers, isolation transformers, electronic reactors, clamp meters and specially customer designed transformers and associated applications.

Advantages

      - Open structure for easy assembling;

      - Low magnetic remanence ;

      - High permeability (μ);

      - High consistency and stability;

      - Stable linear distribution of performance.

Material

      High quality silicon steels with high permeability, low remanence.

      Ultra-thin: 0.05mm, 0.10mm.

      Normal: 0.23mm, 0.27mm, 0.30mm.

      Supplier: JFE, Nippon-steel, Baosteel, Shougang.

Capability

Limit dimensions of toroidal split core:

      Min. width: 5 mm;

      Min. ID: 15 mm;

Limit dimensions of rectangular split core:

      Min. Width: 5 mm;

      Max. Strip width: 300 mm;

      Min. inside window size: 12*7 mm;

Main processes:

      Slitting -> Winding -> Annealing -> Impregnation -> Cutting –> Polishing if necessary–>Testing

Optional finishes:

      - Epoxy coating;

      - Black paint.

      - Stainless steel belt

Capacity of cutting:

      - Toroidal split core: 10k pcs/day;

      - Rectangular split core: 5k pcs/day;

Technical

      Automatic winding

      High precision cutting

      - Toroidal split core:

      - Rectangular split core:

      High vacuum annealing;

      Standards

      The cores can be produced according to IEC60635, other country standards and also customized requirements.

Quality control

      - On magnetic and mechanical quality control of silicon steel;

      - On physical dimension control of wound cores;

      - On annealing process and result;

      - On impregnation process;

      - On cutting process;

      - On dimensions and magnetic values of finished cores;

      - On packaging.