The core of toroidal transformer winding machine is made of high quality cold rolled silicon steel sheet (thickness 0.23mm-0.35mm) seamlessly rolled, the magnetic circuit is completely closed, no magnetic leakage, so its magnetic energy can be optimal, high precision laser welding, nitrogen and hydrogen protection vacuum annealing, core electromagnetic index is a substantial increase.

Toroidal transformer using ring winding machine winding fast and convenient production efficiency, can be widely used in electronic equipment 50Hz, 60Hz, 400Hz transformer, mutual inductor, reactor, choke and other electromagnetic components.

The working principle of the ring winding machine.

First, the wire is evenly wound on the wire storage ring, then the wire is wound on the skeleton through the bobbin on the wire storage ring, the skeleton is driven by the servo motor rotation, so that the wire is evenly arranged on the skeleton on line winding to a certain amount, then the belt is wound on the skeleton through the wire storage ring, and then wound.

Mesin penggulung kumparan toroidal mode Diferensial Otomatis

Analysis of winding tension

Through the production practice found that in the whole process of winding, with the appropriate force to pull the wire tightly wound on the skeleton, is the key to affect the winding good or bad, so in the following we highlight the factors that affect the winding tension.

1. The torque of the rotating part of the bobbin

2. The moment of inertia caused by the change in acceleration of the bobbin part (including the wire wrapped in the bobbin). The main part of the frictional moment is generated by the tension mechanism, which prevents the bobbin from releasing the wire movement and pulling the wire tight, 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 bobbin movement is not uniform even at constant winding speed, which generates the moment of inertia caused by the acceleration and affects the winding tension.

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