Direct mounting
Mounting via thread
Tab. 4 Overview of attachment component
EGC-TB
EGC-HD-...-TB
Size
50
70
80
120
185
125
160
220
Direct mounting
Screw (side/top)
M4
M5
M5/M6
M6;
M8
M5
M6
M6
Tightening torque
[Nm]
2.9
5.9
5.9/9.9
9.9;
24
5.9
9.9
9.9
max. screwin depth t
max
[mm]
4.2
8.4
9.5
10
15
8.4
9.5
10
Centring (bore tolerance H7)
Centring pins (side/top)
[mm]
–/
Æ
5
Æ
5
–
–/
Æ
5 –
Centring sleeve (side/top)
[mm]
–
Æ
7/
Æ
9
Æ
9
–/
Æ
9
Tab. 5 Information on attachment components
7.6
Mounting accessories
Requirement
–
No collision in the movement space of the attachment component with motor,
mounting and sensor components.
–
Protection against uncontrolled overtravel of the end positions.
–
Homing to reference switch or end position.
–
Query of end positions or intermediate positions.
–
Avoidance of hard impacts at the end positions.
–
Prevention of contamination in the slots.
1. Select accessories
è
2. Mount mechanical end position protection:
–
Mount shock absorber retainer.
–
Mount shock absorber or emergency buffer.
3. Mount the sensor (reference or query):
–
Mount the sensor bracket and switch lug (depending on the type of
mounting).
–
Mount the sensor.
–
Fasten the cable with clips.
4. Mount the slot cover.
Instruction manual
è
Profile groove
Sensor bracket and switch lug
–
Mounting via profile groove
–
Switch lug: mounting on slide
–
Sensor bracket: mounting via profile groove
For axes with measuring system EGC...M1/M2,
mounting is only possible on the side without
measuring system.
–
Protect the sensor from external magnetic or ferritic influences (e.g . min. 10 mm distance to
slot nuts).
–
Preferably use hardware limit switches with normally closed function (protection guaranteed
even in case of sensor failure).
–
Query switching lug only with inductive sensor.
–
Mounting the measuring system.
Instruction manual
è
Tab. 6 Overview of sensor mountings
8
Commissioning
8.1
Safety
WARNING!
Risk of injury due to unexpected movement of components.
•
Protect the positioning range from unwanted intervention.
•
Keep foreign objects out of the positioning range.
•
Perform commissioning with low dynamic response.
8.2
Performing commissioning
NOTICE!
Elasticity of the toothed belt
The elasticity of the toothed belt generates an additional spring effect at high
acceleration and deceleration, which can lead to an inadmissible nominal/actual
deviation when the slide is moved or when the end position is reached.
•
Consider the setpoint deviation determined during the test run during para
meterisation of position setpoint values.
When the motor is removed, the motor encoder loses its absolute reference to the
reference mark (e.g. by turning the motor drive shaft).
•
Carry out a homing run after every motor mounting in order to establish the
absolute reference between the motor encoder and the reference mark.
High noise emission
Identically constructed axes can generate different running noises depending on
the parameterisation, mode of operation, type of mounting, installation environ
ment and components.
Requirement
–
Mounting of the drive system checked.
–
Installation and wiring of the motor checked.
–
No foreign objects in the movement space of the propulsion system.
–
No exceeding of the max. permissible feed force and drive torque as a func
tion of acceleration, deceleration (e.g. stop function, quick stop), velocity,
moving mass and mounting position.
–
No mechanical overload of the axis and dynamic setpoint deviation not
exceeded (e.g. overrunning the end position) due to force and torque peaks
or overshoot effects.
Limit overloads and overruns by jerk limitation, lower acceleration and decel
eration setpoints or optimised controller settings.
–
Control and homing travel at reduced velocity, acceleration and deceleration
setpoints.
–
No test run to mechanical end stops.
Proced-
ure
Purpose
Note
1. Check
run
Determining the direction of travel
of the slide
–
The direction of movement of the slide for
positive and negative position values
depends on the mounting position of the
motor on the axis.
–
Adapt a required reversal of direction of
rotation via parameters in the servo drive or
in the controller.
2. Homing
Determination of the reference
point and adjustment of the dimen
sional reference system
–
during the initial startup pro
cedure
–
after replacement of the motor
Permissible reference points:
–
towards reference switch.
Travel at reduced velocity
è
Further information
è
Instruction manual of the
drive system, www.festo.com/sp.
3. Test run Checking the operating conditions
Check application requirements:
–
Slide travels through the complete travel
cycle in the specified time.
–
Slide stops moving when a limit switch is
reached.
After a successful test run, the drive system is ready for operation.
Tab. 7 Commissioning steps
9
Operation
WARNING!
Risk of injury due to unexpected movement of components.
•
Protect the positioning range from unwanted intervention.
•
Keep foreign objects out of the positioning range.
•
Perform commissioning with low dynamic response.
