Bosch Rexroth Tightening System 350, Руководство пользователя

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3 608 878 300 Tightening Technology | Bosch Rexroth AG 67 /641
System 350 | 3 608 878 300/2019-03
Angle head with
integrated
measurement
transducer
With the angle heads with integrated measurement transducer 3WMC and 4 WMC, the torque is
measured directly on the output drive shaft. This further increases the reliability of the tightening system
and, thus, the process reliability.
Feed output drive Feed output drives are suitable for e. g. deep-set tightening positions or when using automatic bolt feeds.
With bolt feeds, a pneumatic cylinder with two adjustable limit switches enables the "up" movement for
the bolt feed and the "down" movement for the spindle guide.
Side-by-side
arrangement of
several spindles
The following diagrams help to check whether the spindles can be lined up in bolt-hole circles. The
tightening distance d
min
is the minimum tightening position diameter in a circular arrangement of spindles.
For special applications, the dimensional drawings of the output drives (e.g. accessible via the Internet at
www.boschrexroth.com/tightening ) are decisive.
The following table shows the available output drives and the resulting minimum circle diameters for all
sizes.
Table 4–3: Angle head
Code 2W011 3W027 3W050 3W090 4W130 4W220
Order number 0 608 810
041 0 608 810
042 0 608 810
043 0 608 810
044 0 608 810
045 0 608 810
046
Max. permissible axial force F (see
table
4–4 )
[N] I II I III IV IV
Table 4–4: Permissible axial forces
Characteristic number for axial
force
Max. permissible axial force F [N]
1
Currently existing torque T [Nm]
1 No axial force may be exerted in the tightening step where T = 0!
I F = M

2,7 m
–1
II F = M

2,9 m
–1
III F = M

1,7 m
–1
IV F = M

1,0 m
–1
Table 4–5: Minimum spindle distances for size 2 to 5 spindles with various output drives
Number of tightening
spindles and corresponding
smallest circle diameter-Ø
d
min
[mm]
Size Type 2 3 4 5 6
Straight output drive
2 2G... 35 40 55 66 74
3 G... 42 52 65 80 89
4 G... 59 69 89 109 119
5 G... 86 100 131 162 172
Offset output drive
2 2VN...82 23 27 33 41 52
3 VN52 -152 29 33,5 41 49,5 58
4 VN... 44 51 63 75 88
VU... 57 66 81 97 114
VUK2D242 48 56 68 82 96
5 VN... 61 71 87 104 122
VU... 94 108 133 159 187