Bosch Rexroth Tightening System 350 - Ergospin Hand-Held Nutrunner

3 608 878 300 Tightening Technology | Bosch Rexroth AG 47/641
System 350 | 3 608 878 300/2019-03
3.4.3.1 BG5+ with increased performance
By using the power reserves of the servo amplifier LTS350 and LT355 and the EC motor EC305, the
spindle limits of a stationary spindle of size 5 can be expanded as follows:
n
max, motor
= from 10,000 rpm to 12,500 rpm
T
max, motor
= 9.5 Nm
For further information on the configuration of a tightening channel, see on page 617.
3.4.4 ErgoSpin hand-held nutrunner
The ErgoSpin hand-held nutrunner is available in four different model variants:
• SlimLine
•GripLine
• VarioLine
• ESM pistol grip nutrunner
The operating elements are easily accessible, the displayelements are easy to read. As an example, the
SlimLine model variant is described below:
Fig. 3–12: Design of ErgoSpin, SlimLine model
A: Output drive component
B: Standard machine
Output drive (a) Depending on the model, angle head or straight output drives are available. The ErgoSpin has a
mechanical interface to flange on accessories (e.g. a support).
Table 3–5: Hardware requirements
Hardware LTS350 / LT355
System box adapted system box SB356 with increased intermediate circuit voltage
Motor Standard EC305
Spindle connecting line If the power reserves are utilized, the maximum line length must at the same time be
limited to 20 m!
Measurement transducer Special measurement transducer e.g. 5DMC580
Assured service life 250.000 tightening cycles
A
B
a
b
c
d
e