The Expandable Winding Mandrel is designed for precise and flexible coil winding in transformer manufacturing. With its adjustable diameter structure, it provides reliable support during winding and ensures easy coil removal without deformation or damage.
This adjustable winding mandrel for coil winding is widely used in transformer coil production, offering high accuracy and stable performance when integrated with winding machines.
| No. | Model | Diameter Range (mm) | Extended Diameter Range (mm) | Load Capacity (T) | Batten Length (mm) | Adjustment Method |
| 1 | KTM-180 | 180 – 260 | 220 – 260 | 1 | 800 – 1300 | Reducer Adjustment |
| 2 | KTM-260 | 260 – 390 | 325 – 390 | 1.5 | 1000 – 1800 | |
| 3 | KTM-340 | 340 – 640 | 490 – 640 | 2 | 1200 – 2000 | |
| 4 | KTM-450 | 450 – 750 | 600 – 750 | 2 | 1300 – 1800 | |
| 5 | KTM-500 | 500 – 900 | 700 – 900 | 3 | 1300 – 2300 | |
| 6 | KTM-540 | 540 – 930 | 730 – 930 | 3 | 1300 – 1800 | |
| 7 | KTM-600 | 600 – 900 | 750 – 900 | 5 | 1400 – 2200 | |
| 8 | KTM-700 | 700 – 1300 | 1000 – 1300 | 8 | 1600 – 3200 | |
| 9 | KTM-1100 | 1100 – 1500 | 1300 – 1500 | 8 | 2000 – 2300 | |
| 10 | KTM-1300 | 1300 – 1900 | 1600 – 1900 | 10 | 2200 – 3000 | |
| 11 | KTM-1900 | 1900 – 2520 | 2210 – 2520 | 16 | 3000 – 4000 | |
| 12 | KTM-2300 | 2300 – 3000 | 2640 – 3000 | 20 | 3000 – 4000 |
Q: What are the advantages of an expandable winding mandrel?
A: The main advantages include adjustable diameter range, high precision, and easy coil removal without deformation. This makes the mandrel ideal for different coil sizes and improves overall production efficiency.
Q: What is the difference between an expandable mandrel and a fixed mandrel?
A: An expandable winding mandrel allows flexible diameter adjustment for different coil sizes, while a fixed mandrel has a single diameter and requires replacement when coil size changes. Expandable mandrels are more efficient for multi-spec production.
Q: What factors should be considered when selecting a winding mandrel?
A: Key factors include coil diameter range, load capacity, winding precision requirements, and compatibility with the winding machine. Choosing the right adjustable winding mandrel for coil winding ensures optimal performance and product quality.
