2-14
2 Robot arm
2.2.6 Protection specifications
(1) Types of protection specifications
The robot arm has protection specifications that comply with the IEC Standards. The protection specifica-
tions and applicable fields are shown in
.
Table 2-4: Protection specifications and applicable fields
Use the controller protection box to protect the controller from the environment
when the controller will be used in the environment such as the oil mist shown in
the
.
The IEC IP symbols define the degree of protection against solids and fluids, and do not indicate a protec-
tive structure against the entry of oil.
The IEC standard is described by the following "Information" And, the corrosion of the rust etc. may occur to
the robot with the liquids.
"Information"
• The IEC IP65
Protection against water infiltration as specified in IP65 indicates a protective structure that is not
harmfully affected when 12.5±5% liters of water is supplied from a test device at a position approx. 3m
away in various directions and a water pressure of 30kPa at the nozzle section. The water is filled one
minute per 1m
2
of test device surface area for a total of three minutes.
• The IEC IP67
Protection against water infiltration as specified in IP67 indicates a protective structure that is not
harmfully affected, even if the test device dives underwater for the 30 minutes. The diving depth is
shown below. When the height of the test device is less than 850 mm, the position of the lowest part is 1
m from the water surface.
When the height of the test device is 850 mm or more, the position of the highest part is 150 mm from
the water surface.
Type
Protection
specifications
(IEC Standards value)
Classification
Applicable field
Remarks
RV-8CRL
IP65
Oil mist specifi-
cations
Machine tool (cutting)
Machine shop with heavy
oil mist
Dusty work shop
Note that if the cutting
machine is using
abrasive materials,
the robot's life will be
shortened.
RV-7FRLM (example)
IP67
CAUTION
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