Relationship Between The Needle, Thread And Fabric, And Adjusting The Thread Tension - Toyota SP20 Series Instruction Manual

Sewing preparations
Relationship between the needle, thread
•
and fabric, and adjusting the thread tension
The quality of the sewing fi nish will improve if the needle and thread are changed to
match the type of fabric. Follow the directions in the table below.
Needle
Thread
Fabric
Thread
tension
• Use a ball point needle for the sewing alignment of stretch fabric.
• Please purchase any needles not included as accessories, after checking they are
specifi ed as home-use sewing machine needles.
• Use the same kind of threads for upper/lower thread.
• The higher the needle number is, the needle gets thicker. The higher the thread
number is, the thread gets thinner.
28
Sewing thin fabric
No. 75/11
Polyester No. 90
Cotton No. 80 to No. 120
Silk No. 80
Lining
Quipler
Georgette
Lawn
Lace, etc.
-3
-2
-1
- 1 ~ - 3
Sewing normal fabric
No. 90/14
Polyester No. 50 to No. 60
Cotton No. 60 to No. 80
Silk No. 50 to No. 80
Broad
Soft denim
Satin
Pile
Gingham, etc.
-1
+1
+2
Sewing thick fabric
No. 100/16
Polyester No. 30 to No. 50
Cotton No. 40 to No. 50
Silk No. 50
Curtains
Denim
Quilting
Fleece
Tweed
Felt, etc.
+1
+2
+3
+4
+1 ~ +3