10
① D= W×C
① D= W×C
20mm
D= 3×120= 360=19→
W=
120
12²
=
120
144
=1.2→
1.2ton
② W=
C
D²
② W=
C
D²
100% 96% 86%
(mm) (ton)
6 0.30 0.60 0.57 0.51
8 0.53 1.07 1.03 0.92
9 0.67 1.35 1.30 1.16
10 0.83
1.67 1.61 1.44
12 1.20 2.41 2.32 2.08
14 1.64
3.28 3.15 2.83
16 2.14 4.28 4.12 3.69
18 2.72
5.44 5.23 4.69
20 3.35 6.70 6.44 5.77
22 4.06
8.12 7.81 7.00
24 4.82 9.65 9.28 8.32
26 5.66 11.3 10.8 9.76
28 6.58 13.1 12.6 11.3
30 7.55 15.1 14.5 13.0
32 8.58 17.1 16.5 14.8
36 10.8 21.7 20.8 18.7
40 13.4 26.8 25.8 23.1
■
Themaximumratedcapacityofwireropesalsodiffersaccordingtotheliftingangle.
Therefore,afterpayingattentiontotheliftingangle,alwaysusewireropeswiththeappropriatediameter.
Correlationtablebetweentheliftingangleandtheapplicableloadforwirerope
(for2-pointlifting)
★Whenlookingfortherequiredwireropediametertolifta3tonload
★Whenlookingforthemaximumcapacity(ratedload)ofawireropewith12mmdiameter
*Refertothecalculatedvaluesasroughindications.
Calculationformulaofawireropediameterandratedload
(for1singlerope)
D=wireropedia.(mm)
W=ratedload(ton)
C=120(constant)
(withSafetyfactorS=6)
Liftingangleandratedloadofwirerope
■
JISG35256×24 Atype
Dwireropediameter
Wratedload
(for1singlerope)
(Changein%oftheliftingcapacityrateaccordingtotheliftingangle)
Maximumallowableload(ratedload)for2wireropes(ton)
Safetyfactor
S=6