ROBO Cylinder RCP6, Instruction Manual

Page: 86 / 147

79
2. Ins
tallation
[3] When using Tapped Holes on Front Bracket
There are tapped holes equipped on the front bracket.
Utilize these tapped holes for installation.
The effective depth for the attachment screws is as shown below;
Figure 2-2-1
[Tightening Torque]
Make sure to follow “
◎
Caution for Installation using Front Bracket and Front Flange”
Tightening screws
•
Use hexagonal socket head bolts for the male threads for installing the base.
•
Use of high-tension bolts meeting at least ISO 10.9 is recommended.
•
Have the length of thread engagement approximately 1.8 times of the nominal diameter.
RA4 RA6 RA7 RA8
W[mm] 40 58 70 85
h[mm] 26 32 38 50
H[mm] 46 61 73 92.5
Pm[mm] 32 45 55 70
N M4 Depth 8 M6 Depth 12 M8 Depth 16 M8 Depth 16
D[mm] ø20 ø25 ø30 ø40
E[mm] ø38h7 ø46h7 ø52h7 ø64h7
F[mm] 2 2 2 2
Model Screw
Nominal
Diameter
In the case that steel is used
for the bolt seating surface:
In the case that aluminum is
used for the bolt seating
surface:
RA4 M4
3.59N ･ m(0.37kgf ･ m) 1.76N ･ m(0.18kgf ･ m)
RA6, RA7 M6
12.3N
･
m(1.26kgf
･
m) 5.4N
･
m(0.55kgf
･
m)
RA8 M8
30N
･
m(3.1kgf
･
m) 11.5N
･
m(1.2kgf
･
m)
Caution: Be careful when selecting the bolt length. If bolts of inappropriate lengths are
used, the tapped holes may be damaged, actuator mounting strength may
become insufficient, or contact with driving parts may occur, resulting in lower
precision or unexpected accidents.