●
Operation, even for short measuring purposes is only allowed with fixed
connected protective conductor on the specified points of the compo‐
nents.
2.6.2
Protection from mechanical danger
Dangerous movements! Danger to life, risk of injury, heavy injury or material
damage.
●
Do not stay within the motion zone of the machine. Avoid unauthorized
access into the danger zone.
●
Additionally secure vertical axes to prevent them from sinking or de‐
scending after having shutdown the motor, for instance as follows:
–
Mechanically lock the vertical axis,
–
providing an external braking / catching / clamping device, or
–
ensure sufficient weight compensation of the axes.
Rotating parts! Danger to life, risk of injury, heavy injury or material damage.
●
Secure key and/or transmission elements against ejection.
●
Install covers on dangerous rotating machine parts before start-up.
2.6.3
Protection against magnetic and electromagnetic fields
Magnetic and electromagnetic fields are created in the direct environment of
live conductors or permanent magnets of electro motors and are a serious
danger for persons. The machine operator must sufficiently protect personnel
working in these areas from possibly occurring damage by suitable measures
(e.g. warning notes, protective clothes, designation of the danger zone).
Observe the country-specific regulations. For Germany, please observe the
specifications of the occupational insurance association BGV B11 and BGR
B11 regarding “electromagnetic fields”.
Strong magnetic and electromagnetic fields pose a health hazard for persons
with heart pacemakers, metallic implants and hearing aids in the direct envi‐
ronment of motor components!
●
Persons with heart pacemakers and metallic implants are not allowed to
approach or handle these motor components.
2.6.4
Protection against burns
Risk of burns due to hot motor surfaces!
●
Avoid contact with hot motor surfaces. Temperatures may rise to over
70°C.
●
Allow the motor components to cool down long enough before touching
them.
●
Temperature-sensitive components may not come into contact with the
motor surface. Ensure appropriate mounting distance of connection ca‐
bles and other components.
2.6.5
Protection from component damage due to electrostatic danger
Products of Rexroth can contain components which underlie an electrostatic
danger. These components, especially temperature sensors in the motor
winding, can be easily destroyed due to improper handling by electrostatic
discharge (ESD = electrostatic discharge).
Avoid, e.g. direct contact of open wires or contacts without beeing electrostat‐
ically discharged or grounded.
1MB Asynchronous Spindle Motors
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Safety instructions
R911337309_Edition 03 Bosch Rexroth AG
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