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27BDL61xxL
Appendix F. Magnet tension
1. Each module of 27BDL6xxxL uses 13 N35 NdFEB magnets. After measurement, the tensile force of N35 NdFEB magnets at
various temperatures is as follows:
Temperature
The tension value of each magnet (Kg)
Tension value per module (Kg)
2. The maximum weight of each module is 0.35kg. According to UL2442 standard, 4 times the safety factor is 1.4kg. It can be seen
from the above table that when the temperature is >120 degrees Celsius, the residual pull value of the magnet is close to 4
times the safety factor, that is, more than 120 degrees is the dangerous area.
20
o
C
60
o
C
0.47
0.47
6.11
6.11
38
80
o
C
120
o
C
0.4
0.15
5.2
1.95
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