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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Brand Name: DIRAKE
  • Model Number: RKM-400
  • Products name: expanding mandrel applied to vertical wire winding
  • Application: transformer coil winding machine
  • min.diameter: 160/200/320/400/500/670mm
  • max.diameter: 210/280/450/700/850mm
  • Length: 1500/1700/1900/2100/2500mm
  • Nos. of Strutting: 4/8/12
  • Color: expanding mandrel as customer requires

Packaging & Delivery

Packaging Details wooden cases to package expanding mandrel for vertical wire winding.
Delivery Time 10 days

expanding mandrel for vertical wire winding

Product Description



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:


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Packaging & Shipping


small size expanding mandrel used to wind medium or small transformer coils
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Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
1 Transactions 20,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $134,000
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