WARNING
Danger of crushing by permanent magnets of the secondary section
The forces of attraction of magnetic secondary sections act on materials that can be
magnetized. The forces of attraction increase signicantly close to the secondary section. The
trigger threshold of 3 mT for a risk of injury due to attraction and projectile eect is reached at
a distance of 150 mm (directive 2013/35/EU). Secondary sections and materials that can be
magnetized can suddenly slam together unintentionally. Two secondary sections can also
unintentionally slam together.
There is a signicant risk of crushing when you are close to a secondary section.
Close to the secondary section, the forces of attraction can be several kN - example: Magnetic
attractive forces are equivalent to a force of 100kg, which is sucient to trap a body part.
• Do not underestimate the strength of the attractive forces, and work very carefully.
• Wear safety gloves.
• The work should be done by at least two people.
• Do not unpack the secondary section until immediately before installation.
• Never unpack several secondary sections at the same time.
• Never place secondary sections next to one another without taking the appropriate
precautions.
• Never place any metals on magnetic surfaces and vice versa.
• Never carry any objects made of magnetizable materials (for example watches, steel or iron
tools) and/or permanent magnets close to the secondary section! If tools that can be
magnetized are nevertheless required, then hold the tool rmly using both hands. Slowly
bring the tool to the secondary section.
• Immediately mount the secondary section that has just been unpacked.
• When mounting and removing secondary sections, we recommend that you use protective
mats with magnetic self-holding function
• Never remove several secondary sections at the same time.
• Immediately after removal, pack the removed secondary section in the original packaging.
• Always comply with the specied procedure.
• Avoid inadvertently traversing direct drives.
• Keep the following tools at hand to release parts of the body (hand, ngers, foot etc.)
trapped between two components:
– A hammer (about 3kg) made of solid, non-magnetizable material
– Two pointed wedges (wedge angle approx. 10° to 15°, minimum height 50 mm) made
of solid, non-magnetizable material (e.g.hard wood).
First aid in the case of accidents involving permanent magnets
• Stay calm.
• If the machine is energized, press the emergency stop switch and open the main switch if
necessary.
• Administer FIRST AID. Call for further help if required.
Description
3.1Technical features and ambient conditions
Naturally-Cooled 1FN3 Linear Motors
32 Operating Instructions, 06/2023, A5E52220465B AB
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