·30·
Hard ware confi gura tion
CNC 8065
3.
(R
EF
: 1404)
HEAT DI
SSI
PATI
ON.
CENTRAL UNI
T (
C
PU)
ENCL
O
S
URE.
3
HEAT DISSIPATION. CENTRAL UNIT (CPU) ENCLOSURE.
The working temperature of the central unit enclosure must not exceed 45 ºC (113ºF). To
ensure that it does not exceed this temperature, the enclosure must meet the following
requirements.
• The enclosure must have enough surface inside to evacuate the heat generated inside
and keep the ambient conditions within the working temperature range.
• The enclosure must respect the minimum distances recommended between the
enclosure walls and the central unit to let the air flow and improve heat dissipation.
Minimum gaps recommended between the enclosure walls and
the central unit.
To ensure that it does not exceed this temperature, respect the recommended minimum gap
between the sides of the enclosure and the central unit.
To ensure the required ambient conditions, the enclosure must have an air input next to the
cables and an air output next to the fan. In this case, install fans to ventilate the enclosure
and keep the temperature within the allowed limits.
Keep the enclosure clean. Anti-dust filters should be installed at the air inputs and outputs.
Understanding the calculation of the surface needed for heat
dissipation
The expressions have been obtained for an enclosure having a 2 mm wall and made out of
aluminum. When using internal ventilation, the fan must be located 30 mm off the bottom.
mm
inch
a
100
3,937
b
100
3,937
c
100
3,937
d
150
5,906
e
50
1,969
A
B
C
D
E
Ti
Ta
A
P
30mm
Q
Summary of Contents for CNC 8065
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