CKD RLSH Series User manual

CKD Corporation
INSTRUCTION MANUAL
GRIPPERS FOR COLLABORATIVE ROBOT
RLSH SERIES
RHLF SERIES
R
CKL
S
ERIES
SM-A28840-A
• Read this Instruction Manual before using the product.
• Read the safety notes carefully.
• Keep this Instruction Manual in a safe and convenient place for future reference.

SM-A28840-A PREFACE
i 2020-02-24
PREFACE
Thank you for purchasing CKD'” GRIPPERS FOR COLLABORATIVE ROBOT” RLSH SERIES, RHLF
SERIES, RCKL SERIES.
This Instruction Manual contains basic matters such as installation and usage instructions in order to
ensure optimal performance of the product. Please read this Instruction Manual thoroughly and use the
product properly. Keep this Instruction Manual in a safe place and be careful not to lose it.
Product specifications and appearances presented in this Instruction Manual are subject to change
without notice.
When designing and manufacturing any device incorporating the product, the manufacturer has an
obligation to ensure that the device is safe. To that end, make sure that the safety of the machine
mechanism of the device, the fluid control circuit, and the electric system that controls such mechanism
is ensured.
To ensure the safety of device design and control, observe organization standards, relevant laws and
regulations, which include the following:
ISO 10218、ISO 12100、JIS B 8433
ISO/TS 15066
ISO 4414、JIS B 8370、JFPS 2008（the latest edition）
In order to use our products safely, it is important to select, use, handle, and maintain the products
properly.
Observe the warnings and precautions described in this Instruction Manual to ensure device safety.
Although various safety measures have been adopted in the product, customer's improper handling
may lead to an accident. To avoid this:
Thoroughly read and understand this Instruction Manual
before using the product.
To explicitly indicate the severity and likelihood of a potential harm or damage, precautions are
classified into three categories: "DANGER", "WARNING", and "CAUTION".
•The product is intended for users who have basic knowledge about materials, piping, electricity, and
mechanisms of pneumatic components. CKD shall not be responsible for accidents caused by
persons who selected or used the product without knowledge or sufficient training.
• Since there are a wide variety of customer applications, it is impossible for CKD to be aware of all of
them. Depending on the application or usage, the product may not be able to exercise its full
performance or an accident may occur due to fluid, piping, or other conditions. It is the responsibility
of the customer to check the product specifications and decide how the product shall be used in
accordance with the applicat
ion and usage.

SM-A28840-A PREFACE
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Precautions classified as "CAUTION" may still lead to serious results depending on the situation.
All precautions are equally important and must be observed.
Other general precautions and tips on using the product are indicated by the following icon.
Indicates general precautions and tips on using the product.
Precautions on Product Use
WARNING
The product must be handled by a qualified person who has extensive knowledge and
experience.
The product is designed and manufactured as a device or part for general industrial machinery.
Use the product within the specifications.
The product must not be used beyond its specifications. Also, the product must not be modified
and additional work on the product must not be performed.
The product is intended for use in devices or parts for general industrial machinery. It is not
intended for use outdoors or in the conditions or environment listed below.
• In applications for nuclear power, railroad system, aviation, ship, vehicle, medical equipment,
and equipment that directly touches beverage or food.
• For special applications that require safety including amusement equipment, emergency
shut-off circuit, press machine, brake circuit, and safety measures.
• For applications where life or properties may be adversely affected and special safety measures
are required.
(Exception is made if the customer consults with CKD prior to use and understands the
specifications of the product. However, even in that case, safety measures must be taken to
avoid danger in case of a possible failure.)
Do not handle the product or remove pipes and devices until confirming safety.
• Inspect and service the machine and devices after confirming the safety of the entire system.
also, turn off the energy source (air supply or water supply) and power to the relevant facility.
Release compressed air from the system and use extreme care to avoid water or electric leakage.
• Since there may be hot or live parts even after operation has stopped, use extreme care when
handling the product or removing pipes and devices.
• When starting or restarting a machine or device that incorporates pneumatic components, make
sure that a safety measure (such as a pop-out prevention mechanism) is in place and system
safety is secured.
Precautions on Design and Selection
D
ANGER
Install a protective cover as a safety measure if the moving workpiece can pose a risk to
humans or if human fingers can get caught in the finger and/or the attachment.
In the circuit pressure drops due to power failure or air source trouble, the gripping force will
decrease and the work-piece may fall. Take measures such as drop prevention to prevent
injury or damage to the human body or mechanical equipment.

SM-A28840-A PREFACE
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CAUTION
When using the product in a cutting, casting, or welding plant, install a cover to
prevent
foreign matters such as cutting fluid, chips, powder, and dust from entering.
Do not use the equipment in the following environments.
• Where cutting oil can splash onto the product (abrasives and polishing powder in the oil can
abrade the sliding section)
• Where organic solvents, chemicals, acids, alkalis, and kerosene are present
• Where water can splash onto the product
When gripping a long object or large work-piece, the center of gravity must be gripper to
provide stable prehension. It is also necessary to stabilize prehension by increasing the
size or using multiple jaws.
Select a modle that has sufficient power to grip the work-piece weight.
Select a model that has sufficient opening/closing width for the work-piece size.
If directry inserting the work-piece into the jig with the hand, consider clearance during
design to avoid damaging the hand.
Note :The work-piece is side along the top of the small jaw, so gripper life could drop markedly.
Sufficient consideration should be made for the shape of the small jaw.
Ajust the gripper opening/closing speed with a speed control valve. When using at high
speed, play may be faster, the work-piece vibrates due to the shock at opening and closing,
causing a gripper error, work-piece insertion error, poor repeatability.
Condensation (water drops) may occur in the piping under certain conditions if an actuator
with small bore size or short stroke is operated at high frequency. Use a quick exhaust valve
to prevent condensation.
Precautions on Product Disposal
CAUTION
When disposing of the product, comply with laws pertaining to disposal and cleaning of
wastes and have an industrial waste disposal company dispose of the product.
Gripper Gripper
Press-in
cylinder
Gripper
S
topper
Miniature slide
●Pressing to jig by dispensing ●Using a push cylinder

SM-A28840-A CONTENTS
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CONTENTS
PREFACE .......................................................................................................................... i
Precautions on Product Use...........................................................................................ii
Precautions on Design and Selection ............................................................................ii
Precautions on Product Disposal ..................................................................................iii
CONTENTS...................................................................................................................... iv
1. PRODUCT OVERVIEW............................................................................................. 1
1.1 Model Number Indication.................................................................................... 1
1.1.1 RLSH Series................................................................................................... 1
1.1.2 RHLF Series ................................................................................................... 1
1.1.3 RCKL Series .................................................................................................. 2
1.1.4 Option （Please contact us for single item model number）.......................... 2
1.2 Speciffications..................................................................................................... 3
1.2.1 RLSH Series................................................................................................... 3
1.2.2 RHLF Series.................................................................................................. 4
1.2.3 RCKL Series................................................................................................... 5
1.3 Electrical Circuit Diagram ................................................................................... 6
1.4 Dimensions ......................................................................................................... 6
1.4.1 RLSH Series................................................................................................... 6
1.4.2 RHLF Series ................................................................................................... 7
1.4.3 RCKL Series................................................................................................... 7
2. INSTALLATION ......................................................................................................... 8
2.1 Environment........................................................................................................ 8
2.2 Unpacking ........................................................................................................... 8
2.3 Mounting ............................................................................................................. 8
2.3.1 Body................................................................................................................ 9
2.3.2 Sensor .......................................................................................................... 10
2.4 Wiring................................................................................................................ 10
2.4.1 Wiring of Valve and Robot............................................................................ 10
2.5 Piping .................................................................................................................11
2.5.1 Piping for gripper ...........................................................................................11
3. USAGE..................................................................................................................... 12
3.1 Using the gripper............................................................................................... 12
3.1.1 Usage ........................................................................................................... 12
3.1.2 Starting the robot.......................................................................................... 13
3.1.3 Software installation ..................................................................................... 13
3.1.4 Setting “CKD Pneumatic Gripper”................................................................ 13
3.1.5 Adjustment of sencor.................................................................................... 13
3.2 Program functions and operations.................................................................... 14
3.2.1 Software installation ..................................................................................... 14
3.2.2 Explanation of operation screen................................................................... 15
3.2.3 Program setting procedure........................................................................... 18
3.2.4 Procedure for registering commands in the program .................................. 19
4. MAINTENANCE AND INSPECION......................................................................... 21
4.1 Periodic Inspection............................................................................................ 21
4.2 Maintenanceoftheproduct ................................................................................ 21
4.3 Maintenanceofthecircuit .................................................................................. 21
5. TROUBLESHOOTING............................................................................................. 22
5.1 Problems, Causes, and Solutions .................................................................... 22
5.1.1 Finger(cylinder) .............................................................................................. 22

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5.1.2 Sensor .......................................................................................................... 22
6. WARRANTY PROVISIONS..................................................................................... 23
6.1 WarrantyConditions............................................................................................ 23
6.2 WarrantyPeriod.................................................................................................. 23

SM-A28840-A 1. PRODUCT OVERVIEW
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1. PRODUCT OVERVIEW
1.1 Model Number Indication
1.1.1 RLSH Series
R L S H – A 2 0 D 1 N – L 1 – F Y 2 V – U R
1.1.2 RHLF Series
R H L F – 1 6 C S – – U R
C
ode
C
ontent
(A)
R
obot Flange
Blank
Without robot flange
F With Robot flange （Note 1）
S
ymbol
C
ontent
(
B)
A
ttachments
Blank
Without attachments
Y2 Small jaw for testing （Note 2）
V Directional control valve/tube （Note 3）
Note 1 ：
W
ith
r
obot flange mounting bolts
Note 2 ：
Because it is made of resin, use it for gripping tests (Mass is
25g per piece)
Note 3 ：Directional control valve includes a φ4 push-in fitting (air supply port and A/B port ),
silencer (R1/R2 port), and mounting plate. The tube has an outer daiameter of φ4 and a
length of 2.5m ×2 pieces.
Note 4 ：
Standard with cyli
nder switch(F2H).
C
ode
C
ontent
(
A)
R
obot Flange
Blank
Without robot flange
F With Robot flange （Note 1）
S
ymbol
C
ontent
(
B)
A
ttachments
Blank
Without attachments
Y2 Small jaw for testing（Note 2）
V Directional control valve/tube （Note 3）
Note 1 ：
W
ith
r
obot flange mounting bolts
Note 2 ：
Because it is made of resin, use it for gripping tests (Mass is 30g per piece)
Note 3 ：Directional control valve includes a φ4push-in fitting (air supply port and A/B port ),
silencer (R1/R2 port), and mounting plate. The tube has an outer daiameter of φ4 and a
length of 2.5m ×2 pieces.
Note 4 ：
Standard with
cylinder switch(T2H).
F
Y2V
（B）Attachments
（A）Robot flange
（B）Attachments
（
A
）
Robot flange
F
Y2V

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1.1.3 RCKL Series
R C K L – 4 0 C S – F – U R
C
ode
C
ontent
(
A)
R
obot Flange
Blank
Without
Robot flange
F With Robot flange （Note 1）
S
ymbol
C
ontent
(
B)
A
ttachments
Blank
W
ithout
a
ttchments
Y3 Small jaw for testing （Note 2）
V Directional control valve/tube （Note 3）
Note 1 ：
W
ith
r
obot flange mounting bolts
Note 2 ：
Built
-
to
-
order product, made of aluminum. (Mass is
50g per piece
)
Note 3 ：Directional control valve includes a φ4push-in fitting (air supply port and A/B port ), silencer (R1/R2
port), and mounting plate. The tube has an outer daiameter of φ4 and a length of 2.5m ×2 pieces
Note 4 ：
Standard with cylinder switch(T2H).
1.1.4 Option （Please contact us for single item model number）
JAW <Ｙ2、Ｙ3>
Small jaw for testing <Y2>（RLSH、RHLF）, <Y3>（RCKL）
Accessory
• JAWS 2pieces(RLSH,RHLF), 3pieces(RCKL)
• Mounting Bolts
Valve,tube <V>
Accessory
• Double solenoid valve 1pc
• Mounting plate 1pc
• φ4push-in fitting 1pc
• Silencer 2pc
• φ4 tube 2.5m×2pc
（B）Attachments
（
A
）
Robot flange
F
Y3V

SM-A28840-A 1. PRODUCT OVERVIEW
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1.2 Speciffications
1.2.1 RLSH Series
Specification
D
escriptions
RLSH
Cylinder bore size
mm
φ20
Actuation
D
o
uble acting
Working fluid
C
ompressed air
Max.working pressure air
M
Pa
0
.7
Min.working pressure air
M
Pa
0
.1
Port size (Tube size) Applicatable tube outer diameter φ4
（With speed control valve）
Ambient temperature ℃0 〜50
Operational stroke length
mm
1
8
Repeatability
mm
±0.01
Product weight
k
g
1
Sencor Specifications
Descriptions
Proximity
2
-
wire
F
2
H
A
pplications
Programable controller
L
oad supply voltage
DC 10 〜30V
L
oad current
5 〜20mA
Indicator light
Gripper
Yellow LED （ON lighting）
Flange
Blue・Green
L
eakage current
1
mA
or less
S
hock resistance
9
80 m/
s
2
Product weight
g
1
0
Gripping power performance data
Gripping power that functions to opening and closing directions for the length (ℓ) of attachment of gripper
at supply pressure 0.3,0.5,0.7MPa is shown. (Represent one finger)
Length (ℓ) of attachment (mm)
G
ripping Power (N)
・Opening direction （）（Dashed line indication）
・Closing direction （）（Solid line indication）

SM-A28840-A 1. PRODUCT OVERVIEW
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1.2.2 RHLF Series
Specification
D
escriptions
RHLF
Cylinder bore size
mm
φ16×2
Actuation
D
o
uble acting
Working fluid
C
ompressed air
Max.working pressure air
M
Pa
0
.7
Min.working pressure air
M
Pa
0
.
2
Port size(Tube size) Applicatable tube outer diameter φ4
（With speed control valve）
Ambient temperature ℃5 〜50
Operational stroke length
mm
32
Repeatability
mm
±0.03
Product weight
k
g
1.1
Sencor Specifications
Descriptions
Proximity
2
-
wire
Ｔ2H
A
pplications
Programable controller
L
oad supply voltage
DC 10 〜30V
L
oad current
5 〜20mA
Indicator light
Gripper
Red LED （ON lighting）
Flange
Blue・Green
L
eakage current
1
mA or less
S
hock resistance
9
80 m/
s
2
Product weight
g
18
Gripping power performance data
Gripping power that functions to opening and closing directions for the length (ℓ) of attachment of gripper
at supply pressure 0.3,0.5,0.7MPa is shown. (Represent one finger)
・Opening direction（）・Closing direction（）
（Solid line indication）
G
ripping Power (N)
Length (ℓ) of attachment (mm)

SM-A28840-A 1. PRODUCT OVERVIEW
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1.2.3 RCKL Series
Specification
D
escriptions
RCKL
Cylinder bore size
mm
φ40
Actuation
D
o
uble acting
Working fluid
C
ompressed air
Max.working pressure air
M
Pa
0
.7
Min.working pressure air
M
Pa
0
.3
Port size(Tube size) Applicatable tube outer diameterφ4
（With speed control valve）
Ambient temperature ℃5 〜50
Operational stroke length
mm
1
0
Repeatability
mm
±0.01
Product weight
k
g
1.1
Sencor Specifications
Descriptions
Proximity
2
-
wire
Ｔ2H
A
pplications
Programable controller
L
oad supply voltage
DC 10 〜30V
L
oad current
5 〜20mA
Indicator light
Gripper
Red LED （ON lighting）
Flange
Blue・Green
L
eakage current
1
mA or less
S
hock resistance
9
80 m/
s
2
Product weight
g
18
Gripping power performance data
Gripping power that functions to opening and closing directions for the length (ℓ) of attachment of gripper
at supply pressure 0.3,0.5,0.7MPa is shown. (Represent one finger)
・Opening direction（）（Dashed line indication）
・Closing direction （）（Solid line indication）
G
ripping Power (N)
L
Length (ℓ) of attachment (mm)

SM-A28840-A 1. PRODUCT OVERVIEW
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1.3 Electrical Circuit Diagram
Electrical circuit diagram
1.4 Dimensions
1.4.1 RLSH Series
Tool connector
I
ndicator lamp inside flange

SM-A28840-A 1. PRODUCT OVERVIEW
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1.4.2 RHLF Series
1.4.3 RCKL Series

SM-A28840-A 2. INSTALLATION
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2. INSTALLATION
2.1 Environment
CAUTION
When using the product in a cutting, casting, or
welding plant, install a cover to prevent
foreign matters such as cutting fluid, chips, powder, and dust from entering.
Do not use the equipment in the following environments.
• Where cutting oil can splash onto the product (abrasives and polishing powder in the oil can
abrade the sliding section)
• Where organic solvents, chemicals, acids, alkalis, and kerosene are present
• Where water can splash onto the product
・Use the product within the following ambient temperature range.
0°C to 60°C, RH 85% or less (no freezing)
• For compressed air, use clean and dry air that has been passed through an air filter.
Use an air filter in the circuit and be careful with the filtration rate (a filter that removes particles
exceeding 5 μm is desirable), flow rate, and mounting position (install the filter near the directional
control valve).
2.2 Unpacking
• Check that the model number ordered and the model number indicated on the product are the same.
• Check the exterior of the product for any damage.
• When storing the product, take proper measures to prevent foreign matters from entering the cylinder.
2.3 Mounting
Install a protective cover as a safety measure if the moving workpiece can pose a risk to
humans or if human fingers can get caught in the finger and/or the attachment.
Take proper measures to prevent the workpiece from falling so that people are not injured
andmachines and devices are not damaged.
If the circuit pressure drops due to a power failure or a problem with the air source, the gripping
power may decrease and the workpiece may fall.
C
ompressed air
C
lean compressed air
A
ir filter

SM-A28840-A 2. INSTALLATION
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2.3.1 Body
1 Mounting the robot flange
Loosen the clamp ring and remove the robot flange from
the gripper.
After inserting the parallel pin(included) to the robot flange
surface, mount the robot flange to the robot using the four
hexagon socket head cap screws (included).
Note:Tightening torque=7N・m
2 Mounting the gripper
Mount the gripper to the robot flange and tighten the
Clamp ring
Note: Tighten the clamp ring by hand to make sure
it is not loose.
3 Connector connection
Connect the gripper connector to the robot tool
Connectot of the robot.
4 Attachment of accessory jaws
Attach the jaws to the fingers or table with the attached
screw or bolt.
Note 1：Accessory jaws for RLSH and RHLF is made
of resin. Use for gripping test.
Note 2: Accessory jaws for RCKL is made
of aluminum. Use for gripping test.
Note 3: Use the following for the tightening torque
of the accessory fingers.
RLSH、RHLF ＝ 1.4N・m
RCKL＝2.8N・m
Rigidity of the attachment
If the attachment is not rigid enough, sagging can result and cause the finger to twist or adversely affect
operation.
Mounting the attachment
The effect on the hand body must be taken into consideration when mounting the attachment to the
finger. Support the attachment with a wrench when tightening it so as not to twist the finger.
D
escriptions
B
olt used
Tightening torque（N・m）
RLSH Series M4×0.7 1.4
RHLF Series M4×0.7
1
.4
RCKL Series M5×0.8
2
.8
Do not apply load
to the body

SM-A28840-A 2. INSTALLATION
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Be careful not to apply a lateral load to the finger when mounting the attachment.
Backlash or damage may occur when an excessive lateral load or an impact load is applied. Use the
product so that the external force applied to the finger does not exceed the allowable load described in
the catalog.
2.3.2 Sensor
How to move the sensor
1 Loosen the fixing screw.
2 Move the sensor slong the groove and tighten the screw.
Model Tightening torque（N・m）
RLSH(F2H) 0.03〜0.08
RHLF,RCKL(T2H) 0.1〜0.2
How to replace the sensor
The sensor has a special wiring treatment. Please contact us.
Replacement procedure manual is attached to replacement sensor.
2.4 Wiring
2.4.1 Wiring of Valve and Robot
Setting method of I/O terminal for valve wiring
After installing the the decicated software from the USB memory stick attached to the product
(see 3.1.3). Set the valve wiring I/O terminal from the setting screen.
Attachment
Finger
Lateral load
❶Select the I/O terminal
of the gripper “Open”
signal from the pull-
down menu.
❷Select the I/O terminal
of the gripper “Close”
signal from the pull-
down menu.
❸After the valve wiring is
completed,you can check
the setting ❶and ❷
with the “Test” buttom.
Finger Attachment

SM-A28840-A 2. INSTALLATION
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Wiring of valve and controller
Connect the valve wiring to the I/O terminal set on the previous page.
In the case of the figure below, the “Open” signal is connect to {Digital Output [1]}, and the
“Close” signal is connect to {Digital Output [4]}.
2.5 Piping
2.5.1 Piping for gripper
Refer to the figure below for piping between the valve and gripper and piping to the valve.
4(A) port 2(B) port
Digital Outputs
Red
Black
Black
Red
Air supply
Speed adjustment
knob (CLOSED)
Speed adjustment
knob (OPEN)
Tube outer diameter
φ4(OPEN)
Tube outer diameter
φ4(CLOSED)
4-M4X0.7 penetrating
CLOSE and valve 2(B）port
OPEN and valve 4（A）port

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3. USAGE
3.1 Using the gripper
C
AUTION
Make sure that no excessive load is applied to the fingers and claws during work removal and
transfer. The linear rolling surface of the finger may be damaged or dented, resulting in malfunction.
3.1.1 Usage
1 Supply air to the valve. It is recommended to check the operation from about 0.3MPa.
2 Open the cover of the A port of the valve and the lever will appear. When the lever is pressed,
air flows to A port
3 Turn the speed control valve knob of the gripper “OPEN” port slowly counterclockwise with a flathead
screwdriver to confirm that the gripper opens.
Note : Please do not turn it too quickly as it is dangerous.
4 Open the cover of the B port of the valve and lever will appear. When the lever is pressed, air flow
to the B port.
5 Turn the speed control valve knob of the gripper “CLOSE” port slowly counterclockwise with a
flathead screwdriver to confirm that the gripper close.
Note : Please do not turn it too quickly as it is dangerous.
6 After confirming that the lever is not locked, close the cover.
Valve
Double solenoid valve
A port B port
“CLOSE” port speed control valve
Ajust the speed of the “CLOSE” direction.
Speed increases counterclockwise.
“OPEN” port speed control valve
Ajust the speed in the “OPEN” direction.
Speed increases counterclockwise.

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3.1.2 Starting the robot
Turn on the robot. (For details, see the robot manual.)
3.1.3 Software installation
Insert the included USB into the teachpendant and install the software.
Software ： CKD Pneumatic Gripper
For details , see the “Installation of 「3.2.1Software installation 」.
3.1.4 Setting “CKD Pneumatic Gripper”
On the screen, select the location where you wired the valve 「2.4.1 Setting method of I/O terminal for
valve wiring」. After wiring, check the open/close of the gripper with the “Test” button.
If there is no air supply, use the energization indicator on the solenoid valve. When “OPEN” is selected,
check that the energization indicator lamp on the 4(A) port is lit, when “CLOSE” is selected, check that
the energization indicator lamp on the 2(B) port is lit.
3.1.5 Adjustment of sencor
Adjust the sensor according to the work piece referring to 「2.3.3 Sensor」.
It is rcommended to unify the display color of the gripper and the display color of the teachpendant.
For details, see 「3.2.2 Sensor status and indicator display 」.
Model Tightening torque（N・m）
RLSH(F2H) 0.03〜0.08
RHLF, RCKL(T2H) 0.1〜0.2
■Operation signal setting for directional control valve
Set “OPEN” and “CLOSE” signals to the controller I/O
terminal.
■Test of signal
With the “TEST” button, the “OPEN” and “CLOSE”
signals output from the set I/O terminal.
Setting the sensor position in
the ”CLOSE” direction
Setting the sensor position in
the ”OPEN” direction

SM-A28840-A 3. USAGE
14 2020-02-24
3.2 Program functions and operations
3.2.1 Software installation
Install the dedicated software for product on the robot.
1 The USB memory stick provided with product contains the dedicated software URCaps. Insert this
USB port of the teachpendant.
2 On the teachpendant of the UR robot, go to the [ Setup Robot ] screen and select [ URCaps ] .
3 Select the [+] button on the screen, select [ CKD Pneumatic Gripper ] from data in USB, and press
[ OPEN ] .