Mitsubishi Electric UM 10t, Instruction Manual

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4
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Applicable codes and norms
The hoist crane is designed and manufactured to the Electric Wire Rope Hoist per JIS C
9620. The regulations specified in the previous section “Checking Products and Regulatory
Restrictions” apply when the hoist crane is operated in Japan.
The hoist crane also complies with the international standard of ISO 4301-1. However, the
customer should refer to the laws, regulations and codes applied in the country where the
hoist crane is used. The extract of ISO 4301-1 is as follows.
Table1-Class of utilization of cranes
Class of
utilization
Maximum number of
operating cycles
Remarks
U
0
1.6×10
4
Ｉ
rregular use
U
1
3.2×10
4
U
2
6.3×10
4
U
3
1.25×10
5
U
4
2.5×10
5
Regular light use
U
5
5×10
5
Regular intermittent use
U
6
1×10
6
Ｉ
rregular intensive use
U
7
2×10
6
Intensive use
U
8
4×10
6
U
9
Greater than
1.6×10
4
Table2-Nominal load spectrum factor for cranes,K
p
State of
loading
Nominal load
spectrum factor K
p
Remarks
Q1-light 0.125
Cranes which hoist the safe
working load very rarely and
normally light loads
Q2-Moderate 0.25
Cranes which hoist the safe
working load fairly frequently
and normally moderate loads
Q3-Heavy 0.50
Cranes which hoist the safe
working frequently and
normally heavy loads
Q4-Very 1.00
Cranes which are regularly
loaded close to the safe
working load
Table3-Group classification of the crane as awhole
State of
loading
Nominal
load
spectrum
factor K
p
Class of utilization and maximum number of operating cycles
U
0
U
1
U
2
U
3
U
4
U
5
U
6
U
7
U
8
U
9
Q1-light 0.125 A1 A2 A3 A4 A5 A6 A7 A8
Q2-Moderate 0.25 A1 A2 A3 A4 A5 A6 A7 A8
Q3-Heavy 0.50 A1 A2 A3 A4 A5 A6 A7 A8
Q4-Very 1.00 A2 A3 A4 A5 A6 A7 A8