Cobod BOD2-444 - Safety Functions

Instruction Manual - Original Version
Page 14 of 50
3.3.2 Safety functions
Before operating the machine, the operator must seek information about the safety functions and
protection equipment of the machine.
The use and operation of the machine must only be initiated when all safety functions
are fully present and in an operable condition!
Defective safety functions and protection equipment may lead to loss of safety and
hazardous situations.
In case defective safety functions and protective equipment is found, do the following:
• Stop the machine immediately.
• Make sure the machine cannot restart by disconnecting the supply sources to the
machine.
The following safety and protection devices are installed on the machine:
Emergency stop-function
The emergency stop function is a supplementary safety function, with the purpose of preventing a source of hazard
from arising caused by the improper use of the machine. As an example, a source of hazard could result in personal
injury, damage to the machine or ongoing work, or it may arise because another safety function is failing.
After actuation and before disengaging the E-stop devices, the machinery shall be inspected in order to detect the
reason for actuation.
Components included in the safety function.
Input part
Logical part
Output part
Emergency stop push-button
(E-stop)
The emergency stop push-button is
shaped like a red push-button
switch on a yellow background.
Emergency stop of the machine is
induced by activating the
emergency stop push-button.
The emergency stop push-buttons
are located at the following places
of the machine:
- One on each leg (Z-axis).
- Three on the print head.
- One at the control panel.
- One on safety door
Disengagement of the E-stop push
button:
- Turn the red push button
counter clockwise.
Safety controller.
Intelligent controller monitoring
the safety function.
The service life of the safety
controller is 20 years.
The safety function i.e. the
machine must not be used beyond
20 years. The use beyond 20 years
is conditional to the fact that the
relevant components are replaced
by new components of identical or
improved properties than the
original ones.
The safety controllers are located
in the control cabinets.
Servo drives.
Disconnects the power supply to the
moving parts.
- X-axis (front-, back- ward);
- Y-axes (up-, down-ward);
- Print head (Side wards);
- Mixer in the print head.
- Rotation of the print head.
The service life of the servo drives is
20 years.
The servo drives are located in the
control cabinet.