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Hitachi WR12DM1 Manual

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Português
Tempo de aperto: seg.
(Espessura de placa de
aço t = 10 mm)
Tempo de aperto: seg.
(Espessura de placa de
aço t = 10 mm)
Tempo de aperto: seg.
(Espessura de placa de
aço t = 25 mm)
Torque de aperto
Torque de aperto
Torque de aperto
<Para WR9DM>
Fig. 17
Explanation of strength grade:
4 — Limite de resistência do parafuso: 320 N/mm
2
{32,6 kgf/mm
2
}
8 —
Tração do parafuso:
400 N/mm
2
{40,8 kgf/mm
2
}
(
)
* O seguinte parafuso é usado.
Parafuso comum: grau de resistência 4,8
Parafuso de alta tração: grau de resistência 12,9
Parafuso
Espessura t da
placa de aço
Tempo de aperto: seg.
(Espessura de placa de
aço t = 10 mm)
Tempo de aperto: seg.
(Espessura de placa de
aço t = 25 mm)
Tempo de aperto: seg.
(Espessura de placa de
aço t = 25 mm)
Torque de aperto
Torque de aperto
Torque de aperto
<Para WR12DM>
M10 × 30
kgf•cm
1000
800
600
400
200
0
0 1
2
3
N•m
100
80
60
40
20
0
Parafuso de alta tração
Parafuso comum
M12 × 45
kgf•cm
1400
1200
1000
800
600
400
200
0
0 1
2
3
N•m
140
120
100
80
60
40
20
0
Parafuso de alta tração
Parafuso comum
M14 × 50
kgf•cm
1600
1400
1200
1000
800
600
400
200
0
0 1
2
3
N•m
160
140
120
100
80
60
40
20
0
Parafuso de alta tração
Parafuso comum
Fig. 16
M8 × 30
kgf•cm
800
600
400
200
0
N•m
80
60
40
20
0
0
1 2 3
Parafuso de alta
tração
Parafuso comum
M10 × 30
kgf•cm
1000
800
600
400
200
0
N•m
100
80
60
40
20
0
0
1 2 3
Parafuso de alta
tração
Parafuso comum
M12 × 45
kgf•cm
1000
800
600
400
200
0
N•m
100
80
60
40
20
0
0
1 2 3
Parafuso de
alta tração
Parafuso comum
Fig. 18
Porca
… 79 …


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