Mitsubishi Electric CR800 Series, Special Specifications Manual, Page: 38 / 156

2-25
２ Robot arm
2.2.7 Protection specifications
(1) Types of protection specifications
The robot arm has protection specifications that comply with the IEC Standards. The protection specifications
and applicable fields are shown in
Table 2-9 .
Table 2-9 ： Protection specifications and applicable fields
The IEC IP symbols define the degree of protection against solids and fluids, and do not indicate a protective
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.
Applicable areas are worksites that require cleaning of the robot arm, for example for food processing (handling).
The bellows are not oil resistant.
【Information】
・ The IEC IP20
It indicates the protective structure that prevents an iron ball 12
0
+0.05
mm diameter, which is being pressed
with the power of 3.1 kg±10%, from going through the opening in the outer sheath of the supplied equipment.
・ 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 1m2 of test
device surface area for a total of three minutes.
Type
Protection
specifications
(IEC Standards value)
Classification Applicable field Remarks
RH-1FRHR5515
IP20
General-pur
-
pose environ
-
ment
specifications
General assembly
Slightly dusty environment
RH-1FRHR5515
With optional bellows set (1F-JS-21)
IP65
(Direct jet flow to the
bellows section is not
included.)
Waterproof
specifications
Food processing (handling)
The work shops which
requires washing of a robot
arm.