7. ADJUSTMENT
BAS-311G, BAS-326G
89
7-2. Standard thread tension
Specifications
Heavy-weight materials (-01)
Medium-weight materials (-02)
Upper thread
#20 or similar
#50 or similar
Lower thread
#20 or similar
#50 or similar
Upper thread tension (N)
1.4
−
1.8
0.8
−
1.2
Lower thread tension (N)
0.2
−
0.3
Thread take-up spring height
(mm)
7
−
10
Thread take-up spring
tension (N)
0.6
−
1.2
0.2
−
0.5
Pre-tension (N)
0.1
−
0.6
0.1
−
0.3
Needle
DP x 17 #19
DP x 5 #16
Normal sewing speed
2,000 rpm
2,000 rpm
7-2-1. Upper and lower thread tension
5155Q
4661Q
Содержание BAS-311G
Страница 121: ...8 ELECTRICAL MECHANISM 114 BAS 311G BAS 326G PMD P C board Power supply motor P C board 4592Q 4593Q ...
Страница 122: ...8 ELECTRICAL MECHANISM 115 BAS 311G BAS 326G Panel P C board 4594Q ...
Страница 127: ...8 ELECTRICAL MECHANISM 120 BAS 311G BAS 326G 5251Q ...
Страница 128: ...8 ELECTRICAL MECHANISM 121 BAS 311G BAS 326G 5252Q ...
Страница 129: ...8 ELECTRICAL MECHANISM 122 BAS 311G BAS 326G 5253Q ...