CV3550

Preguntas frecuentes y solución de problemas

Preguntas frecuentes y solución de problemas

The different type of the cover stitches and a general guideline for thread tension settings.

 

 

Triple cover stitch

The thread tension dial settings listed below are based on a stitch length of 3 and a differential feed ratio of 1.0.

Since the settings may differ depending on the types of fabric and thread used, be sure to check the thread tension.

Type of stitch Number of needles Number of threads Thread tension dial Stitch
Left needle Center needle Right needle Looper thread
Triple cover stitch 3 4 2 - 5 2 - 5 2 - 5 2 - 5 image
image

image

Stitching direction

Balanced tension

The needle thread sews a straight seam on the surface of the fabric, and the looper thread forms loops on the back.

image  

Needle thread is too loose.

Turn the needle thread tension dial to a higher number to increase the tension, or turn the looper thread tension dial to a lower number to decrease the tension.

image  

Needle thread is too tight.

Turn the needle thread tension dial to a lower number to decrease the tension, or turn the looper thread tension dial to a higher number to increase the tension.

 

 

 

Cover stitch (Wide/Narrow)

The thread tension dial settings listed below are based on a stitch length of 3 and a differential feed ratio of 1.0.

Since the settings may differ depending on the types of fabric and thread used, be sure to check the thread tension.

Type of stitch Number of needles Number of threads Thread tension dial Stitch
Left needle Center needle Right needle Looper thread
Cover stitch (Wide) 2 3 3 - 5 - 3 - 5 2 - 5 image
Cover stitch (Narrow) 2 3 - 3 - 5 3 - 5 2 - 5 image
image

image

Stitching direction

Balanced tension

The needle thread sews a straight seam on the surface of the fabric, and the looper thread forms loops on the back.

image  

Needle thread is too loose.

Turn the needle thread tension dial to a higher number to increase the tension, or turn the looper thread tension dial to a lower number to decrease the tension.

image  

Needle thread is too tight.

Turn the needle thread tension dial to a lower number to decrease the tension, or turn the looper thread tension dial to a higher number to increase the tension.

 

 

 

Chain stitch

The thread tension dial settings listed below are based on a stitch length of 3 and a differential feed ratio of 1.0.

Since the settings may differ depending on the types of fabric and thread used, be sure to check the thread tension.

Type of stitch Number of needles Number of threads Thread tension dial Stitch
Left needle Center needle Right needle Looper thread
Chain stitch 1 2 - 2 - 5 - 2 - 5 image
image

image

Stitching direction

Balanced tension

The needle thread sews a straight seam on the surface of the fabric, and the looper thread forms loops on the back.

image  

Needle thread is too loose.

Turn the needle thread tension dial to a higher number to increase the tension, or turn the looper thread tension dial to a lower number to decrease the tension.

image  

Needle thread is too tight.

Turn the needle thread tension dial to a lower number to decrease the tension, or turn the looper thread tension dial to a higher number to increase the tension.

 

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