Fluid
Action
Operating pressure range
Proof pressure
Ambient and fluid temperature
Cushion
Lubrication
Stroke length tolerance
Port size (Rc, NPT, G)
Bore size (mm)
16, 20 25, 32 40
Air
Double acting
0.15 to 0.8 MPa
1.2 MPa
5 to 60°C
Rubber bumper (MY3A) / Air cushion (MY3B)
Not required (Non-lube)
M5 x 0.8 1/8
Bore size (mm)
Shock absorber soft type Series
RJ (-XB22) model
Unit symbol
Shock absorber model
Fine stroke adjustment range (mm)
16, 20 25, 32 40, 50 63
L
RB0806
RJ0806H
H
RB1007
RJ1007H
L
RB1007
RJ1007H
H
RB1412
RJ1412H
L
RB1412
RJ1412H
H
RB2015
—
L
RB2015
—
H
RB2725
—
Symbol
1/4
50, 63
3/8
Note)
The shock absorber service life is different from that of the MY3A/3B
cylinders depending on operating conditions. Allowable operating
cycle under the specifications set in this catalog is shown below.
Note)
Specified service life (suitable replacement period) is the value at
room temperature (20 to 25°C). The period may vary depending on
the temperature and other conditions. In some cases the absorber
may need to be replaced before the allowable operating cycle above.
Max. energy absorption (J)
Stroke absorption (mm)
Max. collision speed (mm/s)
Max. operating frequency (cycle/min)
Spring
force (N)
Operating temperature range (°C)
Extended
Compressed
RB
2015
29.8
15
25
8.34
20.50
RB
2725
46.6
25
10
8.83
20.01
RB
0806
0.84
6
80
1.96
4.22
RB
1007
2.4
7
70
4.22
6.86
RB
1412
10.1
12
1000
45
6.86
15.98
5 to 60
Without stroke adjustment unit (MY3A)
Without stroke adjustment unit (MY3B)
Bore size (mm)
16 25 40
80 to 1000 mm/s
80 to 1500 mm/s
6320 32 50
Stroke adjustment unit
(L and H unit/MY3B)
∗
External shock absorber (low reaction type)
Note) The tolerance of the MY3A is a value with no pressurization. When a rubber bumper
is used, the stroke of the MY3A varies according to the operating pressure.
To find the stroke length tolerance at each operating pressure, double the addi-
tional stroke due to pressure on each side (pages 6 and 7) and add it.
0 to –10 0 to –12 0 to –16 0 to –24
80 to 1000 mm/s
(ø16, ø20 L unit: 80 to 800 mm/s)
Symbol Specifications
Long stroke type
Helical insert thread
Holder mounting bracket
Holder mounting bracket
Shock absorber
soft type Series RJ type
-XB11
-XB22
-X168
-X416
-X417
80 to 500 mm/s
Bore size
(mm)
16, 20, 25
32, 40, 50
63
Standard stroke (mm)
∗
100, 200, 300, 400, 500, 600
700, 800, 900, 1000, 1200
1400, 1600, 1800, 2000
3000
Max. manufacturable
stroke (mm)
Specifications
Piston Speed
Stroke Adjustment Unit Specifications
Standard Stroke
Shock Absorber Specifications
∗
Refer to "External Shock Absorber Selection" on pages 10 and 11.
When the RB series is used, operate at a piston speed that will not exceed
the absorption capacity of the air cushion and stroke adjustment unit.
∗
Because of its structure, the fluctuation of this cylinder’s operating speed
is greater than rod type cylinders. For applications that require constant
speed, select an applicable equipment for the level of demand.
1.2 million times RB08첸첸
2 million times RB10첸첸 to RB2725
∗
Strokes are manufacturable in 1 mm increments, up to the maximum
stroke. However, when exceeding 2000 mm stoke, add "-XB11" to the
end of the model number. Refer to "Made to Order" on page 40.
MY3B (Air cushion)
MY3A (Rubber bumper)
1000 mm or less ,
Note)
From 1001 mm
+1.8
0
+2.8
0
Made to Order
(For details, refer to pages 40 to 44.)
Model
14
Series MY3A/3B
