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How to repair the broken speaker voice coil

How to repair the broken speaker voice coil

(Summary description)First, heat the voice coil with a hair dryer. After the glue softening, carefully stick the voice coil to the paper basin with a thin tool and remove the broken voice coil.

How to repair the broken speaker voice coil

(Summary description)First, heat the voice coil with a hair dryer. After the glue softening, carefully stick the voice coil to the paper basin with a thin tool and remove the broken voice coil.

Information

The winding of voice coil

1. First, heat the voice coil with a hair dryer. After the glue softening, carefully stick the voice coil to the paper basin with a thin tool and remove the broken voice coil.

2. Turn a 6cm iron cylinder according to the inner diameter of the voice coil. After polishing, drill a 12mm through hole in the center, in order to fix the cylinder on the winder as a winding mold.

3. Apply talc powder on the iron cylinder, wrap two layers of cable insulation paper with a thickness of 0.05mm, then coat another layer of talc powder, and wrap the same insulation paper around the end and tail joints as coil tires. Wrap the coil tire with the same enamelled wire as the original voice coil. After one layer of wrapping, apply a layer of quick-drying glue, then wrap the coil tire with a second layer until the number of loops is completed. Note that each layer has the same number of turns as the original voice coil, and the head and tail lead lines are on the same side. Finally, after the resistance value of voice coil zuzhi is measured by multimeter R×1, it can be sealed and dried for use. Two layers of talcum powder are applied to make it easy to dismold. Two layers of insulating paper can control the gap between the voice coil and the magnet core. Pay attention not to stick to other parts when applying glue, just apply a little on the coil, so as not to lose the mold of the voice coil.

4, will dry voice coil slowly along with two layers of tire mold vertical pressure paper cone and clean voice coil cavity, depth and the original voice coil, tire mold should be pulled out of the room, and then with the paper cone thru carefully coated with AB glue (note that the tire mold can't stick on glue), place a day after the glue dried pull the tire mold.

Ii. Repair of trumpet paper basin;

First remove the dust from the surface of the paper basin, with a tailor's adhesive lining paper (the kind with a hot melt blink) cut into the horn of the fracture shape of the small strip, using a hair dryer to heat the adhesive lining paper, press on the broken area, will immediately stick. This adhesive lining paper is flexible and looks good when painted black with chalkboard paint.

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