ISSN 2594-5297
50º Seminário de Laminação — vol. 50, num.50 (2013)
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Laminated cores based on electrical steel (silicon steel) are used for transformers or rotors and stators of electrical motors. The base material of the cores is coated with an insulation varnish to increase the electrical resistance, the eddy current resistance and to protect them against corrosion. Also the endurance of the punching machines/tools is hardly influenced by the quality of the coating. The coating process is done in a continuous process before cutting and punching of the single parts of the core. The thickness of the insulation layer is very important for the quality of the core. In the past isolation materials like paper were used but resulted in a bad stacking factor and limited the maximum temperature of the core. Nowadays, mainly coatings related to the AISI classes C3, C5 and C6 are used. The benefits of any manual or automatic coating process control highly depend on the measurement accuracy of the layer thickness gauge. This publication concentrates on information about the Mesacon F2800EL layer thickness measuring system, the improvement of customers coating process and customers benefits and experience.
Laminated cores based on electrical steel (silicon steel) are used for transformers or rotors and stators of electrical motors. The base material of the cores is coated with an insulation varnish to increase the electrical resistance, the eddy current resistance and to protect them against corrosion. Also the endurance of the punching machines/tools is hardly influenced by the quality of the coating. The coating process is done in a continuous process before cutting and punching of the single parts of the core. The thickness of the insulation layer is very important for the quality of the core. In the past isolation materials like paper were used but resulted in a bad stacking factor and limited the maximum temperature of the core. Nowadays, mainly coatings related to the AISI classes C3, C5 and C6 are used. The benefits of any manual or automatic coating process control highly depend on the measurement accuracy of the layer thickness gauge. This publication concentrates on information about the Mesacon F2800EL layer thickness measuring system, the improvement of customers coating process and customers benefits and experience.
Palavras-chave
Silicon steel; Electrical steel; Insulation coating; Process improvement.
Silicon steel; Electrical steel; Insulation coating; Process improvement.
Como citar
Jährling, Detlef;
Pilz, Wolfgang.
LAYER THICKNESS MEASUREMENT OF INSULATION COATING ON ELECTRICAL STEEL BY MESACON F2800EL LAYER THICKNESS GAUGE
,
p. 620-625.
In: 50º Seminário de Laminação,
São Paulo,
2013.
ISSN: 2594-5297
, DOI 10.5151/2594-5297-24038
