Question 2: What's wrong with hanging the upper thread and the lower thread of the household sewing machine? The reasons for sewing machine jumper are as follows: 1, the needle is not installed correctly, and the upper and lower grooves of the needle are along the direction of the line. 2. There are burrs in the hole of the threading plate. 3. The tip of the shuttle bracket has burrs. 4. The distance between the tip of the bobbin holder and the needle distance is too large, and its period cannot exceed 1MM.5, and the bobbin holder and the bobbin run.
Question 3: The reason why the sewing machine doesn't go online is that the shuttle is misplaced.
The correct position should be that the tip of the shuttle is close to the needle without touching it, and the hook of the shuttle is in the middle of the groove of the needle. If there are two screws on the shuttle, the position of the shuttle can be adjusted after it is loosened.
Question 4: What is the problem that the household electric sewing machine can't thread? 1. Check whether the needle is installed in the wrong direction, especially the round handle needle, which needs to be decided by the operator.
2. Check whether the needle bar moves up due to loose screws.
3. Check whether the crank screw of the lower shaft is loose, resulting in left-right dislocation or circumferential displacement of the lower shaft.
4. Check whether the shuttle spring is broken.
5. Check whether the cover screw of the exchange bed is loose, which causes the cover to move to the left.
6. Check whether the gear hook at the lower end of the needle bar is loose.
Question 5: What happened to the sewing machine? How to fix it? There are several reasons: 1. The eye of the needle deviates from the center or does not reach the top of the needle pavilion at all. 2. Check whether the needle model is correct. 3. The needle is not in good contact with the lower shuttle bed (it should be the key point). Adjustment method: Lift the machine head and see the two screws of the shuttle bed loosen, then turn the needle under the shuttle bed, while keeping a small tip on the shuttle bed aligned with the eye of the needle (the small tip can be slightly higher than the eye of the needle). It is recommended to keep the distance between the small tip and the needle slightly closer. Then tighten the screws and it will be OK.
Question 6: Why can't the sewing machine draw the thick material on the thread when sewing? Please change the needle and the thick material, and go up according to the thickness of 16.
And please pay attention to replace the corresponding sewing thread.
Question 7: What do you mean the bottom line of sewing machine is not on the line? Explain that the gap between the needle and the hook tip is wrong. Adjust the distance according to the diagram.
Question 8: the sewing machine can't hang on the line, but it is actually a jumper. First of all, see if there is anything wrong with the needle. Change it. If the wire is too tight, it will also break the jumper. Let's see if the eye of the needle board is big and if there is burr on the shuttle tip. If it is not good, it needs to be repaired.
Question 9: Why can't the sewing machine go online? Re-align the distance between the needle bar and the shuttle, pay attention to the synchronization of the teeth, and don't tighten the clamp too tightly. If the section line is broken, see if it burns the needle.
Question 10: What happened when the sewing machine didn't go online? Your needle number is wrong. Thick cloth needs thick needles. Or try to put the needle up or down a little.
This happens all the time, no problem. Remember to refuel the clothes cart.
My slogan is
If there is a problem, either change the needle or change the bottom line.