380v Bldc Ceiling Fan Winding Machine Multistrand Coil Winding Machine XT-DGRXJ

Product Specification

XT-DGRXJ multistrand stator winding machine is specially designed for multiple wires and parallel coil winding

Product feature

1, XT-DGRXJ is capable of direct multi-wire concentrated winding instead of single heavy wire (over 1.5mmOD).

2, High slot fill is expected by untwisting the wire during the winding cycle. The newly developed process can achieve high motor output without changing stator OD.

3, Lower coil-end by direct winding. It can downsize the motor.

4. This machine is specially designed for multiple wires and parallel coil winding, such as the alternator, servo motor, and three-phase motor.

5,The machine adopts special purpose controller which could set the function of arraying direction, winding start point, slow starting, slowing ending, sides stop, auto width, auto reset, etc.

6, Save material costs.

Product parameters

Applicable industries:

This automatic motor stator needle winding machine is used to wind the brushless DC motor inner stator. The BLDC stator coil winder adopts needle winding technology, has two working stations and can wind two stators at one time.

When designing a brushless motor, evaluating the performance of various motor parameters and components is crucial. Among these components, the stator coil holds significant importance. The motor stator winding machine has numerous requirements and involves several parameters, including stator outer diameter, inner diameter, stack thickness, number of wires and windings, wire diameter, number of turns, slot

count, and slot distance.

A common question arises: why do motor coils utilize 10, 20, or even 30 strands of enameled wire during winding instead of employing a single thicker strand? This practice offers several advantages. Firstly, using multiple strands of thinner wire enhances the flexibility of the coil, making it easier to wind and insert into the stator slots. Secondly, it reduces the risk of a single strand breaking, which could lead to motor failure. Thirdly, it improves heat dissipation, as the surface area of multiple strands is greater than that of a single thick strand, allowing for better heat transfer.

First, motor winding related

1, The larger the wire diameter, the more challenging it becomes for the auto winding machine for ceiling fans to wind the wire effectively. This applies to both external and internal winding machines. Brushless motors have specific wire diameter requirements, and diameters exceeding 1.0mm can pose difficulties for winding. Many machines require non-standard customization to accommodate larger wire diameters, which can significantly increase costs compared to standard winding machines. However, this issue pertains solely to the wire diameter; other aspects of non-standard design may also contribute to higher costs. Therefore, if you need to wind a wire with a diameter of 2.0mm, using multiple strands of wire wound together can be a viable solution using a standard machine, achieving the same desired effect.

2, Another issue to consider is the potential damage to the wire during winding. Thicker wires are more susceptible to scratching of the enameled wire coating, which can lead to damage and compromise the integrity of the wire.

second.Motor-related factors:

a) Skin effect: Current flowing through a wire experiences a phenomenon known as the skin effect, where the current tends to concentrate near the surface of the conductor. This effect can weaken the winding's overcurrent capability. Multiple wires have a stronger overcurrent capacity compared to a single wire, particularly for smaller volumes.

b) Maintenance considerations: Motors with large wire diameters are generally less common, and many maintenance facilities may not stock the specific gauge of enameled wire required for repairs. Using multiple wires instead of a single wire can alleviate this issue and reduce potential after-sales complications.

In summary, the choice between single-strand and multi-strand winding for motor stator winding machines depends on various factors related to the wire diameter, winding process, and motor characteristics. Considering these aspects can help determine the most suitable winding approach for specific applications.

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