5
.Procedures of Installation to Robot/Tool
34
When a hydraulic module is used:
Ensure no chips of sealing tape, etc. get into the module. Otherwise, it gets
into the O-ring sealing section inside and causes leakage.
Please use recommended grease or equivalent items on the liquid port
surface.
If unproper grease would be used, O-rings will swell and cannot be used.
In the case of non-lubrication, early breakage and leakage may occur.
In case of a silicone grease in the chart below, the grease used for the robot/tool
adaptors must not be used. Please use our specified grease, silicone grease
SH44M (manufactured by Dow Corning Toray Co., Ltd).
Equivalent items are silicone oil-based grease of NLGI No. (JIS consistency
number) 1 and 2.
Hydraulic/coolant ASSY greasing
Use Nitta’s recommended grease or an equivalent item for hydraulic/
coolant ASSY
greasing, which should be thinly and evenly applied onto the robot side O-ring. Application
points are indicated in Fig. 17.
Chart 4. Recommended grease
Module parts
No.
(
※
1)
Grease type
CTRH
**
–
0
**
Silicone grease SH44M
(manufactured by Dow Corning Toray Co., Ltd)
CTRH
**
–
NS
*
CTRH
**
–
N0
*
Mineral lithium composite grease
SUMIPLEX BN NO.1(manufactured by Sumico Lubricant)
※
1:
Select r
ecommended grease for module parts No.
Fig. 17. Greasing points on hydraulic/coolant port ASSY (Robot side)
If you take measures for water quality management, i.e. using a filter for coolant,
chance of pollution and foreign substance intrusion in the module is reduced.
CAUTION
CAUTION
CAUTION
O-ring
Check for foreign substance!
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