round coil winding expandable mandrel

Instruction: Expanding mandrels are used for winding transformer coils. Outer diameter is adjustable, motorized or manual expanded. The diameter variation is big; taking-off is convenient, suitable for both horizontal winding machine and vertical winding machine. Technical data: Clients' Worksite Packaging & Shipping Company Information Shandong Dirake Electric Power Equipment Co., Ltd. is a leading transformer equipments manufacturer based on professional technology and