68/641 Bosch Rexroth AG | Tightening Technology 3 608 878 300
System 350 | 3 608 878 300/2019-03
4.2.1.3 Tool mounts
Selecting the suitable output drive also includes finding the appropriate tool mount. Output drives are
available with various tool mounts. Special output drives, e. g. angle heads with counter bracket, can be
manufactured if needed.
The following tool mounts must be differentiated:
External square with
and without centering
pins
The centering pin is used to hold special tools that require such a pin.
Fig. 4–3: External square with and without centering pins
Quick-change chuck The quick-change chuck allows for exchanging a tool (socket) quickly.
Offset output drive with
integrated measurement
transducer
2 -----
3 3VMC... 31 36 44 53 62
4 4VMC150... 44 51 63 75 88
4VMC210... 48 56 68 82 96
4VMC360... 57 66 81 97 114
5 -----
Angle head
2 2W011 26 30 36 44 52
3 3W027 29 34 41 50 58
3W050 35 40 50 60 70
3W090 45 52 64 78 90
4 4W130 47 55 67 80 94
4W220 62 72 88 106 124
5 -----
Angle head with integrated
measurement transducer
33WMC090
45 52 64 78 90
44WMC220
62 72 88 106 124
Feed output drive
2 2S... 33 38 46 55 65
3 3S... 49 56,5 69,5 83,5 98
4 4S1M8 56 65 79 95 112
5 -----
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
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