Hitachi Koki WR 14DSL Bedienungsanleitung Seite 15

kgf·cm N·m
1500 150
1000 100
500 50
0 0
0
Tightening time: sec.
(Steel plate thickness
t = 25 mm)
Bolt
Steel plate thickness t
Nut
kgf·cm N·m
2000 200
1600 160
1200 120
800 80
400 40
0 0
0
No. of screw tightenings per charge (when using BSL1430)
Save mode
High tension bolt (M12)
Ordinary bolt (M12)
0 1 2 3
Fig. 19
(
Explanation of strength grade:
4 — Yield point of bolt: 320 N/mm
8 — Pulling strength of bolt: 400 N/mm
Fig. 20
M16 × 55 F10T (tighening time 3 sec)
When full recharged
When completely
discharged
20 40 60
Fig. 21
Power mode
kgf·cm N·m
2000 200
High tension bolt (M16)
1500 150
High tension bolt (M14)
1000 100
Ordinary bolt (M16)
500 50
Ordinary bolt (M14)
0 0
0
0 1 2
Tightening time: sec.
(Steel plate thickness
t = 25 mm)
*The following bolt is used.
Ordinary bolt: Strength grade 4.8
High tensile bolt: Strength grade 12.9
a
80 100 120 140
English
3
)
2 {32.6 kgf/mm 2 }
2 {40.8 kgf/mm 2 }
14