Analysis and Solution of Common Defects in Coil Winding Machine
Analysis and Solution of Common Defects in Coil Winding Machine
one. Bad salt bath:
1. Poor enameled wire: Take out part of the enameled wire from the wire barrel (stretch a few times) and put it in salt water to judge.
2. Poor tension of the winding machine (too large): The rotor wire package placed in salt water bubbles irregularly, and the value rises slowly. (Too small): The wire is easy to hang on the steel sheet during the winding process and the wire package is large and loose.
Solution: The enameled wire passing through the tension system of the winding machine must be checked with a spring balance on the tension meter before winding.
3. Wool felting carbon. Damage to the winding wheel of each winding machine. Damage to the small bearing of each winding: The rotor wire package placed in salt water bubbling irregularly, and the value rises faster.
Solution: Replace the damaged wool felt, thread roller, and small bearing
4. Damage to the winding mold of the winding machine (wire mold): The rotor wire package placed in salt water bubbles regularly, and the bubble position is in the upper, lower or middle of the iron core (each slot is in the same position). The value rises quickly.
(Hook wire set): The rotor wire put in the salt water bubbling on the neck (the damage part should be visible).
Solution: Check the mold. Determine the position. Grind and polish.
5. Poor debugging of the winding machine caused the indexing change during the winding process (and even scratches on the bottom of the enameled wire): the winding mold of the winding machine was not adjusted well at the center of the hook sleeve, and the balance of the winding mold was not adjusted properly. Hook thread set
The position of the winding machine is not adjusted properly (one side is high and the other is low), the parallel cylinder movement is not coordinated (one side is fast and the other is slow), the bearing in the indexing shaft of the winding machine is defective, and the flat bearing in the clamping mechanism is defective.
The rotor wire package put in the salt water bubbles regularly (several slots are in the same position, especially the last two sets of coils).
Others: the fly fork bearing is broken, the fly fork spindle bearing gear is worn, and the fly fork pulley bearing gear is worn, which causes the mold center to be poorly adjusted.
Solution: Check and debug the above problem points, check and replace each bearing.
Note: When changing the enameled wire, check whether there is any burrs around the wire stabbing.
6. The threading method is incorrect: there are too many turns of the copper wire on the winding wheel of the electromechanical control magnetic powder tensioner or the auxiliary winding wheel, and the magnetic powder tensioner usually takes 2-3 turns. The supplement is 1 lap. (The enameled wire will squeeze each other under the action of resistance and tension, and the paint film will be damaged). The enameled wire is threaded on the thread-passing wheel protection rod, the thread-passing wheel position at the thread inlet of the main shaft is not correct (the thread directly rubs against the thread-passing wheel protection rod), the nylon tube in the main shaft falls off, and the spindle reaches
The flying fork line does not pass the reel.
Solution: Check the above problems and adjust.
7. Poor winding mold of the winding machine: The winding mold of the winding machine is severely worn after long-term grinding and polishing, and it rarely protects the steel sheet even when the enameled wire is scraped off the steel sheet. The gap between the side guard plate and the middle guard plate of the winding mold is too small (for lines above 0.45), the position of the middle guard plate is not adjusted properly, the steel sheet is scraped off the wire, the salt bath is bad or the wire is broken.
Solution: Check the mold, process, and debug carefully.
two. Missing hook:
1. Poor tension setting of the winding machine: the thread can be seen to be loose when hooking. The wire at the hook of the wound rotor is not tightened (when hooking, the spring on the tension mechanism pulls the magnetic powder tensioner until the enameled wire at the hook is tightened before it can be hooked. When the tension setting is not good, the magnetic powder tensioner cannot lock the enameled wire directly from the wire. Pull out from the tube, leaking hook), a lot of continuous hooks and leaking hooks.
Solution: Adjust the tension setting. (If the value is too small, the hook will be missed, and the thread will not hang at the bottom of the hook, and the hook will be loose. If the value is too large, the enameled wire will be cut by the sharp angle of the hook and scratched)
2. The spring on the tension mechanism of the winding machine is not suitable for use: the wire is loose when the spring force is small, and the wire is not hooked at the bottom of the hook and easily loosened. The thread is easy
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