Applicable Codes And Norms - Mitsubishi Electric UM 5t Instruction Manual

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.
Class of
utilization
U
0
U
1
U
2
U
3
U
4
U
5
U
6
U
7
U
8
U
9
State of
loading
Q1-light
Q2-Moderate
Q3-Heavy
Q4-Very
Nominal
State of
loading spectrum
factor K
Q1-light 0.125
Q2-Moderate
Q3-Heavy
Q4-Very

Applicable codes and norms

Table1-Class of utilization of cranes
Maximum number of
operating cycles
4
1.6×10
4
3.2×10
4
6.3×10
5
1.25×10
5
2.5×10
5
5×10
6
1×10
6
2×10
6
4×10
Greater than
4
1.6×10
Table2-Nominal load spectrum factor for cranes,K
Nominal load
spectrum factor K
0.125
0.25
0.50
1.00
Table3-Group classification of the crane as awhole
Class of utilization and maximum number of operating cycles
load
U
0
p
0.25
0.50 A1
1.00 A2
Remarks
Ｉrregular use
Regular light use
Regular intermittent use
Ｉrregular intensive use
Intensive use
Remarks
p
Cranes which hoist the safe
working load very rarely and
normally light loads
Cranes which hoist the safe
working load fairly frequently
and normally moderate loads
Cranes which hoist the safe
working frequently
normally heavy loads
Cranes which are regularly
loaded close to the safe
working load
U U U U
1 2 3
A1 A2 A3
A1 A2 A3 A4
A2 A3 A4 A5
A3 A4 A5 A6
－4－
p
and
U U U
4 5 6 7
A4 A5 A6
A5 A6 A7
A6 A7 A8
A7 A8
U U
8 9
A7 A8
A8