1FN3 linear motors
Configuration Manual, 10/2018, 6SN1197-0AB86-0BP2
59
The water cooling system dissipates the power loss generated in the primary section.
● Connect the interconnected cooling channels to the cooling circuit of a heat-exchanger
unit.
You can find characteristic curves for the pressure drop of the coolant between the flow and
return circuit of the coolers as a function of the volume flow rate in Chapter "Technical data
and characteristics".
The rated motor forces specified in the data sheets apply under the following conditions:
● Operation with water cooling with a water flow temperature of 35 °C
● Maximum temperature of the ambient air 40 °C.
Demagnetization of the magnets of the secondary section
If the heat dissipated through the secondary section mounting surfaces is not adequate, the
secondary section can overheat, which could demagnetize the magnets.
• Ensure that the secondary section does not exceed the maximum temperature of 70 °C.
Design of the cooling
Components
The following components are available for cooling the motors of the 1FN3 product family:
● Primary section main cooler
● Primary section precision cooler (optional)
● Secondary section cooling (optional)
These components are structurally separated in motors of the 1FN3 product family. They
allow the cooling system to be laid out according to the Thermo-Sandwich® principle.
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