Hansheng Automation (Dongguan) Co., Ltd. is one of the most experienced manufacturers and suppliers of intermittor indexer for transformer assembly in China. If you're going to wholesale bulk cost-effective intermittor indexer for transformer assembly made in China, welcome to get pricelist and quotation from our factory. Also, customized service and OEM&ODM service are available.
In order to achieve higher product quality standards, the main structural components of our products are produced in our own processing center, including planetary gear sets, customized camshafts and transfer case steel castings. Of course, these parts are a service provided to our customers, which further shows that we not only provide four major reducer products such as Cam Indexer and Harmonic Drive, but we can also provide customers with customized parts processing services.Choose us, you will get: free selection, one-stop service, fast response and high-quality products.
Optimized for High-Load Automation
Our Flange Cam Indexer (DF Series) is specifically configured to meet the rigorous demands of transformer manufacturing. In transformer assembly, particularly for core stacking and coil winding, the rotary table must handle high inertial loads and heavy workpieces while maintaining absolute stability during the dwell phase.
Unlike standard indexers, our Intermittor Indexer features a reinforced output flange and heavy-duty cam bearings. This design ensures vibration-free positioning, which is critical when assembling delicate copper windings or laminating iron cores in a multi-station automated cell.
Below, we will provide you with detailed product information using the specific 250DF model.
Product Feature

The 250DF Series Intermittor Indexer for transformer assembly is the largest model of Flange Model Series cam indexer. Compared to other models in this series, it not only has a significant increase in scale, but also has multiple improvements in radial load, axial load, torque, and maximum bending force. Because achieve all-round improvement, the weight of the product is much heavier than other models, but this does not affect its indexing accuracy and can still maintain within ± 30 arc sec.
Transformer assembly machine is a machine that includes a series of operations such as core assembly, coil winding, accessory assembly, and tape wrapping. It enables efficient and consistent execution of each assembly stage of the transformer through the intermittent indexing motion of the cam indexer.
Why for Transformers?
I will show some reasons to demonstrate the intermittor indexer can be used for transformer assembly.
Notable load capacity
The 250DF series is fit for heavy-duty uses, cause it has large radial and axial stresses (more than 1550 kgf). And its load capacity about 100kg that can more suitable in transformer assemble
machine.
01
High Accuracy
This product's core components choose precision parts that processing by 5-axis machining.So its indexing tolerance maintained within ± 30 arc sec.
02
Material Choosing and Durability
Designed of high-strength alloy steel or similar wear-resistant material, this series is heat treated and precisely machined to increase its wear resistance and corrosion resistance, thereby ensuring long-term use in demanding surroundings.
03
Running little noise and quiet
Since the 250DF series runs with low noise level (about 25dB), it is very efficient in purposes needing a quiet surroundings.
04
Model and Parameter
250DF


| Parameter | Value | Significance in Transformer Assembly |
|---|---|---|
| Indexing Accuracy | ±30 arc sec | Ensures micron-level alignment for core laminations and coils |
| Radial Load Capacity | 3200Kgf | Supports 100kg transformer components without deformation |
| Axial Load Capacity | 4150Kgf | Resists axial pressure during coil pressing |
| Operating Noise | ≤25dB | No interference with precision measuring instruments in the workshop |
| Max Ambient Temperature | 150°C | Withstands post-assembly varnish drying processes |
| Weight | 685kg | Provides a stable base to reduce vibration during high-speed operation |
Application Workflow
Coil Winding Stations
acting as the central rotary base to index coils between winding, taping, and soldering positions.
Core Assembly
Rotating heavy silicon steel cores for automated stacking and laminating.
Testing & Inspection
Precise indexing to vision inspection stations to check for winding uniformity and insulation integrity.
Epoxy Dispensing
Providing smooth motion profiles for potting and encapsulation processes.
FAQ
Q: What benefits in design the 250DF series offers?
Q: Under high temperatures, how does the performance of the 250DF series stand?
Q: Are the 250DF series' output torque changeable?
Q: In what ways is this series flexible enough for many settings?
Q: Which appropriate accessories should I use with the 250DF series?
Q: Is the difficult installation for the 250DF series in progress?
Q: How can I maximize the 250DF series' running efficiency for various uses?
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