Table 5-4 Safety pictograms on the packaging for secondary section covers as continuous cover bands
Pictogram Meaning Pictogram Meaning
Warning against the secon‐
dary section cover band sud‐
denly unrolling
(Non-standardized warning
sign)
Warning against pointed/
sharp object
(ISO7010-W022)
Use eye protection
(ISO7010-M004)
Use protective gloves
(ISO7010-M009)
Note
Lower motor force for a larger air gap
If you use a secondary section cover, then the air gap between the primary section and
secondary section must be increased by 0.4mm. The motor force is then reduced by approx.
10%.
The secondary section cover protects the secondary section track. The installation method
depends on the type of cover. The following 2 variants are available:
• Continuous cover band
• Segmented cover
NOTICE
Loss of functionality and motor wear due to contamination in the motor compartment
Contamination in the motor compartment can cause the motor to stop functioning or cause
wear and tear. The use of scrapers to keep the air gap free is not sucient and therefore not
recommended.
• Use suitable measures to protect the motor compartment from contamination
independently of the use of a cover band.
Covering long secondary section tracks with cover bands is more complicated than with
segments.
Requirements
On the machine side, always carefully ensure that the linear motor is protected against all types
of dirt and pollution. The cover plates of the secondary sections and the stainless steel cover of
the primary section towards the air gap serve as protection against dirt and pollution, which
cannot be prevented using machine-side shielding.
The cover plates for the secondary sections primarily protect the secondary section surface
against being mechanically damaged, for instance, resulting from deposits of dust, sand,
metal chips, machine parts etc.
Installation
5.3Procedure when installing the motor
Naturally-Cooled 1FN3 Linear Motors
72 Operating Instructions, 06/2023, A5E52220465B AB
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