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铝线黑铁皮电焊变压器,是我校广大师生钻研试制的。电焊变压器是采用动铁分磁式。铁芯成口字形,中间是活动铁芯,如图1所示。我们用的黑铁皮厚度0.5及0.75毫米。夹紧后极柱截面积70×200。铁皮间进行绝缘。一次绕组绕在左铁芯极柱上,二次绕组分别绕在两个极柱上。线圈采用冷拔加工成30平方毫米的裸铝线,退火后使用。一次线圈用单股,二次用四股并绕。用黄腊网及白布带包扎后浸漆绝缘。接线图见图2。
Aluminum wire black iron welding transformers, is the majority of our school teachers and students study trial production. Welding transformers are moving iron magnetic type. Iron core into a mouth shape, the middle is the activity of iron core, as shown in Figure 1. We use the black metal thickness of 0.5 and 0.75 mm. After clamping the pole cross-sectional area of 70 × 200. Metal between the insulation. A winding around the left core pole, the secondary winding respectively around the two poles. Coils are cold drawn into 30 mm2 bare aluminum wire, annealed before use. A coil with a single, quadruple shares with the second. Yellow wax mesh and white cloth bandage after dipping insulation. Wiring diagram shown in Figure 2.