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This machine is applied for winding core with horizontal winding machine and vertical winding machine. The main specialty of the machine are good integrated, design in reason, high precision. The expanding mandrel is suitable for winding high, medium and low voltage coils with inner holes within the specified range;

Parameters Of Transformer Coil Winding Expanding Mandrels

The Structure Introduction For Expanding Mandrel

The main body adopts a cage structure

Central axis: assumes the centering of the cage structure, so that the supporting element is translated in the axial direction, and the translation is completed by the left and right thread pairs

The diameter telescopic is a wedge support structure; self-locking fastening device is provided

Spindle rotation: drive by reducer. The reducer can be used for handle operation. Reduction ratio: 30:1