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SMC Networks DAS Operation Manual page 7

Deceleration controller

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Mounting
Warning
(5) After pushing the knob down to lock,
confirm that it is locked
Confirm that the knob is locked by pushing the
knob in after adjusting the cylinder speed. When
the speed controller is unlocked, the set flow
may change. If the knob is pulled with force
while the speed controller is unlocked, it may
result in breakage. When it is unlocked, do not
pull the knob out with force.
Lock
(6) Turn the knob slowly in the open or closed
direction during operation.
(Guide for rotation speed: 1 [rev/sec] or
below)
Scale
malfunction
adjustment is made between two graduations
(for example, 0 →1→0).
(7) Do not force the knob to turn outside the
specified range indicated to the scale.
The scale may indicate a wrong value, possibly
leading to a wrong setting.
[Example of wrong use]: While the scale
indication range is 0 to 8, turning the scale in the
open direction from graduation 8 caused the
scale to indicate 0.
size
Target Knob
Timing Knob
DAS5
nd
2
Speed Knob
Timing Knob
DAS7
nd
2
Speed Knob
(8) Timing Knob and 2
stopper for fully close in rotating direction.
Excess torque may break the stopper. Table
below shows the maximum allowable torque of
the knob.
Size
Target Knob
Timing Knob
DAS5
nd
2
Speed Knob
Timing Knob
DAS7
nd
2
Speed Knob
gap
Unlock
may
occur
if
quick
Scale indication
range
0~8
0~8
0~8
0~10
nd
Speed Knob have a
Max allowable
torque 【N・
m】
0.04
0.04
0.04
0.07
Warning
(9) Do not use tools such as pliers to rotate the
knob.
It can cause idle rotation of the knob or
(10) To adjust the 2
knob in the fully closed position, and then
make
adjustment
counterclockwise.
Depending on the opening adjustment condition
of the knob (needle), the cylinder may suddenly
move. Adjustment of the knob (needle) in the
clockwise direction decreases the flow rate
(closes),
and
counterclockwise direction increases the flow rate
(opens).
The actuator speed decreases when an
adjustment in the clockwise direction is made and
increases
when
counterclockwise direction is made.
(11) Do not apply excessive force or shock to
the body or fittings with an impact tool.
It can cause damage or air leakage.
Caution
(1) Cylinder speed check
Large variations in actuator speed can occur as
a result of individual product differences due to
tolerance of the components, individual cylinder
differences, operating conditions, temperature,
etc. The final cylinder speed should be checked
each time the setting has been changed.
(2) Lifting force for the knob
The lifting force for the knob is specified as
shown in the table below.
Lifting the knob with a lifting force larger than
that specified in the table below will cause the
knob to come off, make the cylinder setting
speed or scale incorrect, or cause damage to
the product.
size
Target Knob
Timing Knob
DAS5
nd
2
Speed Knob
Timing Knob
DAS7
nd
2
Speed Knob
- 7 -
Doc.no.DOC1018150
Mounting
nd
speed knob, start with the
by
turning
its
adjustment
an
adjustment
Lifting force N
1~1.5
1~1.5
1~1.5
3~4
damage.
it
in
the
in
the

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