620
Bosch Rexroth AG
| Tightening Technology
3 608 878 300
System 350
| 3 608 878 300/2019-03
7.7.3.4
Selecting tightening programs
As described in section
Storing the tightening programs
, up to five tightening programs (0 to
3, 99) can be stored in the ErgoSpin hand-held nutrunner ex factory (see Figure
). A copy of the
programs is stored on the tightening controller when the tightening controller is switched on or reset, as
well as when the hand-held nutrunner is connected.
•
Program 0: MCT (machine capability test
1)
) Tightening with approx. 80% of the working range
•
Program 1: Tightening at the lower limit (with approx. 0 %) of the working range
•
Program 2: Tightening with approx. 30 % of the working range
•
Program 3: Tightening with approx. 80 % of the working range
•
Program 99 (Ccw): Loosen bolted connections
Fig. 7–42:
Selecting the tightening program in the BS350
Program selection can be implemented via 24V signals (IM24V interface module), a field bus (IMpdp or
IMdev interface module) or, with the CS351E-G, directly via the TFT.
If no program is selected via one of these interfaces, program 0 is selected as standard. Loosening
program 99 is set via a CW/CCW reversal switch.
If the tightening programs stored in the ErgoSpin are to be automatically loaded in the tightening
controller (e.g. when the ErgoSpin is exchanged), the additional function
Use tightening programs from
hand-held nutrunner (program 99 and 0 to 3)
must be activated in the channel configuration (see also
Storing the tightening programs
In the BS350, the
Data
ErgoSpin tightening programs
menu item can be used to compare varying
tightening programs in the tightening controller and hand-held nutrunner. Different programs are
highlighted in red (see Figure
1) The machine capability examination is always implemented with an external, independent measuring
system. This measuring system provides the reference value. During the MCE, the measurement
results from the tightening system and the results from the reference measuring system are adjusted
using the MCE factor, if the results deviate from each other slightly.
The PLC assignment table must be configured for this accordingly.
If deviating tightening programs (0 to 3, 99) are already on the tightening controller, they will be
overwritten after acknowledgement of error message code 382, if the additional function
Use tightening
programs from hand-held nutrunner (program 99 and 0..3)
(
see
activated.
Summary of Contents for Rexroth Tightening System 350
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