5.4.2 Checking ease of movement in the air gap
Note
Installation height and air gap
The installation height must remain within the specied tolerances over the complete traversing
distance.
The correct installation height automatically sets the correct air gap height.
Precisely measuring the air gap height is not possible as a result of the inherent design.
The correct installation height is a precondition to comply with the electrical properties of the
motor according to the data sheet.
After installation, check ease of movement in the air gap over the complete length of the
secondary section track using a piece of tear-resistant spacer foil that is 0.5mm thick.
You can nd the manufacturer's recommendation for spacer foil in the annex.
Procedure
1. Slide the spacer foil into the air gap between the primary and secondary sections.
The spacer foil must not jam. It must be easily moveable along the entire length of the air gap
by hand with minimal use of force.
2. Slide the primary section over a section of the secondary section track that has not yet been
checked. Repeat the check.
3. Repeat this procedure until the entire length of the secondary section track has been
checked.
❒
NOTICE
Air gap height is too small
If the check identies that there is not the appropriate ease of movement in the air gap, then the
specied installation height is not complied with or there is an installation error.
It is not permissible that the machine is commissioned.
• Ensure that the installation height of the machine is within tolerance and the motor has
been correctly installed without any errors.
Installation
5.4Checking the work carried out
Naturally-Cooled 1FN3 Linear Motors
86 Operating Instructions, 06/2023, A5E52220465B AB
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