Machine Specifications - Brother S-7220B Instruction Manual
Single needle direct drive needle feed lock stitcher with thread trimmer
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Also See for S-7220B:
- Manual de instrucciones (74 pages) ,
- Instruction manual (72 pages) ,
- Basic operation manual (28 pages)
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2. MACHINE SPECIFICATIONS
Max. sewing speed
Start backtacking and continuous backtacking speed
End backtacking speed
Max. stitch length
Lifting lever
Presser foot
height
Knee lifter
Feed dog height
Needle (DB×1, DP×5)
Motor
Control circuit
1
*
...When sewing at speeds of 4,000 rpm or higher, set the stitch length to 3.5 mm or less.
2
*
...When sewing at speeds of 3,000 rpm or higher, set the stitch length to 4.5 mm or less.
Quick reverse
Thread wiper
Lubrication type
Use
-403
5,000 rpm*
Rotary hook
-403, -433
Lubricated /
for medium materials
Lubricating oil
Rotary hook
High-speed spindle
Needle bar
S-7220B
0
Minimum lubrication
3
For medium-weight
materials
-433
1
4,000 rpm
220 - 3,000 rpm
1,800 rpm
4.5 mm
6 mm
16 mm
1.0 mm
#11 - #18
AC servo motor (4-pole, 450W)
Microprocessor
-403, -405
2. MACHINE SPECIFICATIONS
4
O
O
3
Semi dry
5
For heavy-weight materials
-405
4,000 rpm*
5.5 mm
1.2 mm
#19 - #22
-405
Lubricated /
for heavy materials
-433
High-speed spindle
Special Brother grease
2
2
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