Automatic winding machine: how to choose the winding machine for toroidal transformer?

Choosing the right winding machine is the key to producing coils. How to choose the right winding machine for toroidal transformer? Here, we will ring on the transformer winding machine working principle, the specific operation process, focusing on the analysis of winding tension (which is the line of personnel dry), toroidal transformer winding machine operation process is very simple, but want to fix but must find the working principle, winding tension and related knowledge.

Toroidal transformer core using high-quality cold-rolled silicon steel sheet (thickness 0.23mm-0.35mm) seamless rolling, the magnetic circuit is completely closed, no magnetic leakage, so its magnetic properties of the best, high-precision laser welding, nitrogen-hydrogen protection vacuum annealing, the core of the electromagnetic index greatly improved.

Toroidal transformer using toroidal winding machine winding fast and convenient production efficiency, can be widely used in electronic equipment 50Hz, 60Hz, 400Hz transformers, transformers, reactors, chokes and other electromagnetic components.

Transformer winding machine working principle

Firstly, the wires are evenly wound on the wire storage ring, then the wires wound on the wire storage ring are wound on the skeleton through the shuttle machine. The skeleton is driven by servo motor to rotate so that the wire is evenly arranged on the skeleton when the wire storage ring is wound up to a certain quantity, then the tape is wound on the skeleton through the wire storage ring and then wind.

Winding tension analysis

Through the production practice, it is found that tightening the wire to wind on the skeleton with appropriate strength during the whole process of winding is the key to the quality of winding. Therefore, we focus on the study of the factors affecting the winding tension.

1. Grinding torque of the rotating part of the wire bobbin

2．The rotational moment of inertia of the silk bobbin part (including the silk wound on the bobbin) due to the change of acceleration. The main part of the frictional moment is generated by the tensioning mechanism, which prevents the motion of the silk shuttle from releasing the silk and pulls the silk taut, thus generating winding tension. Due to the influence of the winding ring surface and its off-center position in the winding gear, the speed of the shuttle is small and uniform even when it is wound uniformly, thus generating a moment of inertia caused by acceleration, which affects the winding tension. The speed of the silk bobbin can be regarded as consisting of two velocities: one is the velocity Vo, which is equal to the velocity of the pulley on the winding gear, and the other is the velocity of the amount of silk released by the silk bobbin.

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