3. PREPARATIONS FOR WEAVING START-UP
80
(2) J-type riderless, flat steel heald (Uster auto drawing-in type)
(3) C-type riderless, steel heald
Riderless, flat heald
Overall length
Max.
density
Yarn number count
Rem
a
rk
s
Cross sec-
tion size
Mail size
End-loop spacing (L mm)
Si
m
p
le
x
Duplex
Optimum yarn count
S
ilk
denier
M
e
tr
ic c
ount
Te
x count
English number
count
Cotton Wool Linen
mm
mm
(11”)
280
(12”)
306
(13”)
331
(14”)
356
(15”)
382
(16”)
407
(17”)
433 /Cm /Cm Nm
T1 NeB NeK NeL Td
5.5
×
0.23
5.5
×
1.2
○
14
20
34
30
20
30
300
5.5
×
0.25
5.5
×
0.3
12
18
5.5
×
0.23
6.5
×
1.8
○
8
14
72
8
12
650
5.5
×
0.25
5.5
×
0.3
7
5.5
×
0.38
7
6/7.2
×
0.3 6.5
×
1.8
14
5.5
×
0.3
8
×
2.5
○
4
4
250
2
4
–
5.5
×
0.38
4
NOTES:
1.
The Grob inox is made of stainless strip steel; the Grob extra is made of hardened & tem-
pered spring strip steel (plated with nickel or cadmium).
2.
Duomix = s intermix
3.
The sectional dimensions of the carrying rods are 16
×
2.1 mm.
4.
For air jet weaving machines, the end-loop spacing should be 331 mm (13").
Riderless, flat heald
Overall length
Max. den-
sity
Yarn number count
Cross sec-
tion size
Mail size
End-loop spacing (L mm)
Si
mpl
e
x
Duplex
Optimum yarn count
S
ilk
denier
Met
ric c
ount
Te
x count
English number
count
Cotton Wool Linen
mm
mm
(11”)
280
(12”)
306
(13”)
331
(14”)
356
(15”)
382
(16”)
407
(17”)
433 /Cm /Cm Nm
T1
NeB NeK NeL
Td
5.5
×
0.23
5.5
×
1.2
○
14
20
34
30
20
30
300
5.5
×
0.25
5.5
×
0.8
12
18
5.5
×
0.23
6.5
×
1.8
○
8
14
72
8
12
650
5.5
×
0.25
5.5
×
0.3
7
5.5
×
0.38
7
6/7.2
×
0.3 6.5
×
1.8
5.5
×
0.3
8
×
2.5
○
4
4
250
2
4
–
5.5
×
0.38
4
5.5
×
0.23
* 8
×
3.8
○
12
4
250
2
4
–
5.5
×
0.25
12
5.5
×
0.3
10
5.5
×
0.38
8
NOTES:
1.
Mail sizes marked with an asterisk (*) are for Barber Colman type; other mail sizes are for
Uster type.
2.
The sectional dimensions of the carrying rods are 22
×
1.7 mm.
3.
For air jet weaving machines, the end-loop spacing should be 331 mm (13").