the foil or wire need be wound on a mandrel which can be expanded during the winding process and then collapsed to allow the finished coil to remove, then silicon or amorphous cores can be inserted with coils.
There is a gearbox inside the mandrel that expands the mandrel for winding and then collapses it for easy removal of the coil at the end of the winding process.
Main structure for round expandable winding mandrel:
round expandable winding mandrel consists of mandrel main body, diameter adjustable body, cylindrical support plate, diameter expanding add. Layer, positioning and locking mechanism, connection flange, etc. six parts.
(1)it can be used in vertical or horizontal winding machines.
(2)the mandrel can be expanded and collapse by manual or electrical tools
(3)Mandrel rigidity and precision are high, guarantee to wind high-quality coils
(4)Mandrel’s rotation is smooth, diameter adjustment is quick, easy to unload mandrel, reduce labor intensity and improve efficiency.
(5)it can easily connect and disconnect with the vertical or horizontal winding machines by connection accessory parts. It has hanging hole and hanging axis to hang, lifting convenient, safe and reliable.
(6)Mandrel should place on the flat and dry base vertically, add. layer should be stored in wooden storage rack shelf
|Model||Expanding range||length||Effective length||Nos. of Strutting||Weight|
|Model||Expanding range||length||Effective length||Nos. of Strutting|
customized can be well accepted.
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$1000– $30000/ Set FOB QINGDAO
MOQ: 1 Set
Shipping: Support Seafreight lead Time:
Quantity(Sets) 1 – 1 >1
Est. Time(days) 45days
After-sales Service Provided: Field maintenance and repair service, Field installation