14/641 Bosch Rexroth AG | Tightening Technology 3 608 878 300
System 350 | 3 608 878 300/2019-03
Tightening cell A tightening cell is designated as the installed hardware for at least one tightening channel and at least
one data interface for communication with the operating program or the partner controller. This
includes the corresponding tightening programs and tightening applications.
1 Tightening position
2 Tightening channel
3 Tightening cell
4 Program
5 Data interface
Torque threshold The torque threshold is a parameter to help measure the angle of turn for a target or monitoring
function. The monitoring function of the angle is started as soon as the measured torque for the bolt
reaches the value for the torque threshold for the first time. Afterwards, the torque threshold has no
more influence on the tightening process, except for angle correction.
SE Control unit. Each Compact System consists of a single control unit.
Chord angle The chord angle is an additional parameter for determining the gradient.
Controller Controllers are
- tightening controller (SE or compact system)
- communication unit (KE)
Yield point process This process uses the gradient calculation in the measurement transducer. The bolt is tightened until
its yield point (elastic limit to plastic deformation) is reached.
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