3-71
External Wiring and Piping Box
3Installing the option devices
3.6 External Wiring and Piping Box
The air hose that is connected inside the robot, the optional hand output cable, the hand input cable, etc., can all
be pulled out from the rear of the No. 2 arm.
These can be used to connect a customer supplied solenoid valve to the hand output cable, etc.
Fig.3-9 ： External Wiring and Piping Box
<a>Coupling
φ6 two couplings
(RH-3FH/6FH only)
J2 axis reduction gears
Installation holes
(M4 screw four places)
External Wiring and Piping Box
Fix to the rear of the No. 2 arm
(remove the No. 2 arm cover B)
*The diagram shows an example of pulling the
hand input cable
Air hose
Cable clamp
Cable
*Diagram shows an image of pulling out air hose and cables
Table 3-3 ： Hose and cables which can be pulled out
Note) Fix all with cable tie (sections <d> and <e> of the diagram)
No
Air hoses/cables
Position to pull out
Example usage
RH-3FH/6FH
RH-12FH/20FH
(1)
Primary piping air hose (φ6-2 hoses)
(The primary piping is equipped from rear of
base to No. 2 arm)
<a>
Coupling
φ6 two couplings
Coupling
<b> φ6 two
couplings
Primary air supply to externally
installed solenoid valve.
(2)
Secondary piping air hose (φ4-8 hoses: RH-
3FH/6FH, φ6-8 hoses: RH-12FH/20FH)
(Air hose of the optional hand internal wiring
and piping set or prepared by the customer)
<b>
Coupling
φ4 eight
couplings
Coupling
φ6 eight
couplings
Taking in the secondary air from
externally installed solenoid valve.
Pulling out the secondary air from
optional solenoid valve.
(3)
Optional hand output cable
<c>
φ21 hole four
place
φ21 hole four
place
For driving the externally installed
solenoid valve.
(4)
Optional hand input cable
Taking in the input signals from tools
such as the hand.
<c> Cable clamp attachment hole (φ21)
Two points-left and right.
Blind plug attached.
<d> In the other side has two
holes for fixing the hose and
cable by cable tie.
<f> Positions to fix with cable tie
(two positions left and right)
<e> Fix to the external wiring and
piping box with cable tie
(has two holes for fixing)
The hole for fixing the cable tie
No. 2 arm cover U
<b>Coupling
φ4 eight couplings
(RH-3FH/6FH)
φ6-eight couplings
(RH-12FH/20FH)
*The type in the diagram is the RH-6FH, however the instal-
lation method is the same on the RH-3FH/12FH/20FH
.
