!. SPECIFICATIONS
Specification items that are not described herein are same as those for LBH-771-1 and -781.
1) Sewing speed : Max. 3,300 sti/min
Standard 3,000 sti/min
2) Stitch system : Whip stitch
3) Intended buttonhole sizes
Model
LBH-772NV-1
LBH-782NV
LBH-772NB-1
LBH-782NB
LBH-773NV-1
LBH-783NV
LBH-773NB-1
LBH-783NB
LBH-774NV-1
LBH-784NV
LBH-774NB-1
LBH-784NB
※ The above buttonhole sizes are also applicable to the machine for semi-circular bartacking.
4) Thread trimming mechanism
5) Recommended gimp
6) Stitching capability of overlapped section
7) Max. thickness of material that can be sewn : 4 mm
8) Lift of the work clamp check
9) Stitch shape (bartacking)
Rectangular bartacking
a. Buttonhole length (max.)
33 mm
40 mm
46 mm
: Mechanically linked with the work clamp lifter (NB type)
: #60 to #10 Extra-fine woolen yarn
: Difference in height equivalent to four plies of jersey
(longitudinal overlapped portion)
Difference in height equivalent to two plies of jersey
(lateral overlapped portion)
: 12 mm (NV type)
11.5 mm (NB type)
NV-1
LBH-77Δ
NB-1
NV
LBH-78Δ
NB
−
b. Buttonhole width
2.5 mm to 5 mm
(3/32" to 13/64")
2.5 mm to 5 mm
(3/32" to 13/64")
2.5 mm to 5 mm
(3/32" to 13/64")
b
c
a
Semi-circular bartacking
1
−
c. Knife length
9.5 mm to 25.4 mm
(3/8" to 1")
11.5 mm to 25.4 mm
(29/64" to 1")
9.5 mm to 31.8 mm
(3/8" to 1 1/4")
11.5 mm to 31.8 mm
(29/64" to 1 1/4")
12.7 mm to 38.1 mm
(1/2" to 1 1/2")
NV1-1
LBH-77Δ
NB1-1
NV1
LBH-78Δ
NB1