Troubleshooting common problems with your sewing machine needles

Troubleshooting common problems with your sewing machine needles

Today we are going to help you with some quick tips to solve different problems that often occur with sewing machine needles, to avoid you going to technical support.
Even so, if your problem is not on this list do not worry, in Creator Studio we are happy to help you solve your doubts in our Technical and Repair Service.

Recommendations to consider

Here are some points to keep in mind when starting your projects:
- The needles do not last forever; they should be replaced approximately every 8 hours of work.
- The eye of the needle should be 40% larger than the diameter of the thread.
- When going to larger thread size, a larger needle should be used.
- Use the appropriate needle for the type of fabric being sewn.

Problem

Causes

Solutions

Upper thread breaks

 

Improperly threaded thread.

 

Knots or kinks in the thread.

 

Tension too high.

 

Damaged/old needle.

 

Needle too small.

 

Thread the machine correctly.

 

Replace the thread.

 

Readjust the bobbin and upper thread tension.

 

Replace needle.

 

Use the correct needle for the thread and application.

 

The bobbin thread breaks

 

The bobbin case is incorrectly threaded.

 

The bobbin case is inserted incorrectly.

 

The bobbin does not turn smoothly in the bobbin case.

 

Lint in the bobbin case.

 

Coil tension is too tight.

 

Remove the bobbin and rethread with the bobbin turning clockwise.

 

Remove and reinsert the bobbin case.

 

Check that the bobbin case and bobbin are in "round"; replace if necessary.

 

Cleans the bobbin case and surrounding machine area.

 

Check and readjust bobbin tension.

 

Skipped stitches          

 

Thread tension too tight.

 

Damaged needle.

 

Wrong size needle.

 

Sewing machine out of adjustment.

 

 

Readjust the upper and bobbin tension.

 

Replace the needle.

 

Use the correct needle size.

 

Have sewing machine set to time; hook to needle spacing; needle bar height.

 

Frayed stitches

 

The needle is too small.

 

Tension too tight.

 

Damaged thread.

 

Increase needle size.

 

Readjust tension.

 

Replace thread

Loose seam underneath

 

The thread is not at maximum tension.

 

The machine was threaded incorrectly.

 

Upper tension is too loose.

 

Burr in the hook mechanism.

 

 

Thread the machine with the presser foot "up".

 

Thread the machine by incorporating the clamping lever.

 

Readjust the upper tension.

 

Remove the burr.

 

 

Irregular or misshaped stitches

 

 

Incorrect needle size.

 

Incorrect threading.

 

Upper tension is too loose.

 

Operator pulls fabric.

 

The bobbin wound is uneven.

 

Make sure the needle for the fabric and thread is correct.

 

Unthread machine and rethread carefully.

 

Readjust the tension of the lower and upper threads.

 

Check the presser foot pressure.

 

Rewind the bobbin.

 

The fabric puckering

 

Excessive stitch length.

 

The needle tip is blunt.

 

Excessive thread tension.

 

The fabric is too soft.

 

Thread displacement - too much thread in a small area.

 

The fabric is not feeding properly.      

 

 

Decreases stitch length.

 

Change needle often.

 

Check bobbin and top tension.

 

Use the stabilizer.

 

Decrease field density; scale embroidery designs; increase stitch length.

 

Check presser foot, needle plate, feed dogs.