Bow Shackles with Screw and Cotter Pin

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Bow Shackles with Screw and Cotter Pin

Code TG30

 

Safety Factor 6:1

Maximum working loadBody DiameterBolt DiameterExternal Eye DiameterEye ThicknessMinimum Inner WidthInner LengthMaximum Inner WidthTotal lengthBolt Total lengthTotal outer widthWeight unit
tonsa mmb mmc mmd mme mmf mmg mmh mmi mmj mmkg
1
1.5
2		10
11
13.5		11
13
16		23
26
34		10
11
13.5		17
19
22		36.5
43
51		26
29
32		71
80
91		56
68
76		49
54
63		0,14
0,19
0,36
3.25
4.75
6.5		16
19
22		19
22
25		40
47
53		16
19
22		27
31
36		64
76
83		43
51
58		114
136
157		93
107
123		79
94
107		0,63
1,01
1,05
8.5
9.5
12		25
28
32		28
32
35		60
57
74		25
28
32		43
47
51		95
108
115		68
75
83		176
197
218		141
158
176		124
137
154		2,21
3,16
4,31
13.5
17
25		35
38
45		38
42
50		80
89
104		35
38
45		57
60
74		133
146
178		92
99
126		240
262
314		192
208
250		170
183
226		5,55
7,43
12,84
35
42.5
55		50
57
65		57
65
70		111
134
145		50
57
65		83
95
105		197
222
260		138
160
180		358
414
463		271
321
355		250
287
329		18,15
26,29
37,6
REF.Diam.
ØD
[in.]		nom.
ØD
[mm]		MWL
4:1
[tons]		Open.
A
[mm]		Bolt
B
[mm]		(int.)
C
[mm]		(int.)
E
[mm]		(ext.)
F
[mm]		(ext.)
G
[mm]		(ext.)
H
[mm]		Weight
[kg/un]
TG30-00501/4″6.350.511.97.8528.719.815.532.546.70.05
TG30-00755/16″7.850.7513.59.6531.021.319.137.353.00.10
TG30-013/8″9.65116.811.236.626.223.145.263.00.15
TG30-01507/16″11.21.519.112.742.929.526.951.574.00.22
TG30-021/2″12.7220.616.047.833.330.258.583.50.36
TG30-03255/8″16.03.2526.919.160.542.938.174.51060.76
TG30-04753/4″19.14.7531.822.471.551.046.0891261.23
TG30-06507/8″22.46.536.625.484.058.053.01021481.79
TG30-08501″25.48.542.928.795.568.560.51191672.57
TG30-09501-1/8″29.59.546.031.810874.068.51311903.75
TG30-121-1/4″32.81251.535.111982.5761462105.31
TG30-13501-3/8″36.113.557.038.113392.0841622337.18
TG30-171-1/2″39.11760.541.414698.5921752549.43
TG30-251-3/4″46.72573.05117812710622531315.4
TG30-352″53.03582.55719714612225334823.7
TG30-552-1/2″69.0551057026718414532745344.6

According to: Federal Specification RR-C-271 D
IVA Type, Grade A, Class 2

data-sheet-tg30-shackle-bowDownload

Recommendations

Unwinding

The coil should be breaked while unwinding so that the wire rope comes out with a certain pressure and does not turn on its axis. This prevents bumps and kinks. If the coil is not equipped with brakes, then an operator should stop it..

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Transport between coils

When the wire rope is carried from a full coil to an empty one or to a machine drum, this should be done from the upper or lower part of both, but never from the upper part of one coil and the lower part of the other, or vice versa.

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Wire rope winding

The wire rope winding on the machine drum must be carried out correctly so that there are no spires overlapping and cross-linking, which would crush and distort the cords. The following figures represent the four cases that could effectively take place:

  1. Right torsional wire winding at the upper part of the drum.
    The mooring point should be located on the left side of the drum.
  2. Right torsional wire winding at the lower part of the drum.
    The mooring point should be located on the right side of the drum.
  3. Left torsional wire winding at the lower part of the drum.
    The mooring point should be located on the right side of the drum.
  4. Left torsional wire winding at the lower part of the drum.
    The mooring point should be located on the left side of the drum.

We do not recommend winding the wire around the drum in several layers, but if so, this technique is applied for the first layer of winding.

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Deflection angle

The deflection angle is that formed by the wire from the first fixed pulley on the edge of the winding drum. It should not exceed 1º 30'.

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Wire cutting

Cutting with shears or scissors. Before cutting, wires are to be tied together on both sides of the cutting area. The number of ties, the width and the distance between them depend on the wire diameter (see table). It is key to avoid longitudinal tilts among the different cord layers, since, in that case, those which have moved the least will bear the greatest part of the load, and there is the risk of breakage.

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Tie characteristics
Wire rope diameterNo. of ties
on each side
of the cut		Tie
length		Distance
between ties		Wire diameter
rec. iron piece to be
used (mm)
Up to 12312150,5 to 0,8
13 to 20325401 to 1,5
21 to 30440501,2 to 2,2
31 to 40450501,8 to 3
41 to 50475502,2 to 3,2

Recommended cuttings

To cut antitwisting wire ropes, we recommend cutting by electric resistance or by welding.

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Calibration

For calibration, the measuring device must be properly used.

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