Kitagawa NTS3 User manual

INSTRUCTION MANUAL
MODEL NTS3
Collaborative Robot Mounting Unit
3-jaw Parallel Gripper
・This Instruction Manual has been prepared for intended use for
production engineers and maintenance persons who operate this
product. When the beginners use this product, be sure to receive the
guidance from skilled persons, sales agents, or us in advance.
・Before installing, using, or maintaining this product, read carefully the
safety precautions given in this manual so as to understand them
completely. If you do not heed given instructions or safety
precautions, serious human accidents, death, or physical damage
may occur.
・Store this manual with care in the specified place at hand, and reread
it as necessary for correct use of the product.
・Please contact the sales agent if you have any uncertainty or doubt
about this manual.
Ha
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MA1524YHG
Version1.10 (20230802)

1
Preface
This manual provides detailed information on the 3-jaw parallel gripper (model NTS3) so
that you can understand its performance and functions and use it safely and correctly.
Before using this gripper, read this manual carefully to understand how to use the gripper
correctly. Always follow the instructions and warnings given in “Important Safety
Precautions” and “Precautions for Use”. Failure to follow these precautions could result
in serious human accidents.
Terms and Symbols Used for Safety
Messages
In this manual, handling precautions that are considered especially important are classified
and displayed as shown below according to the degree of risk (seriousness of harm) that
could result. Please completely understand the meaning of these terms and follow the
instructions for safe operation.
Safety Alert Symbol
This triangle is a safety alert symbol used to alert you to potential safety hazards. To avoid
death or injuries that could occur, follow the safety messages given with this safety alert
symbol.
Failure to follow the safety precautions below will result in
death or serious injuries.
Failure to follow the safety precautions below will result
in death or serious injuries.
Failure to follow the safety precautions below may result
in minor or moderate injuries.
Indicates instructions which, if you do not heed given
instructions, could result in damage to the product or
shortened service life, or damage to peripheral
equipment.

2
Disclaimer and How to Use Instruction
Manual
This product is suitable for gripping a conveyed workpiece by being installed on the robot or
loader. The product is equipped with the jaws to grip the conveyed workpiece and they are
operated by air pressure. For any other applications, please contact us.
Kitagawa Iron Works Co., Ltd. shall not be held liable for human accidents, death, damage,
or loss that occurred due to a failure to follow the safety precautions given in this manual.
This manual does not predict all potential hazards in operation, inspection, and
maintenance under all environmental conditions. There will be an infinite number of matters
that cannot or must not be done, and it is impossible for the manual to cover all of them.
Therefore, the matters, unless otherwise mentioned clearly as “can be done” or “may be
done” in this manual, should be considered as “cannot be done” or “must not be done”.
Please contact us or our agents if you have an uncertainty about safety when you try to
perform operation, inspection, or maintenance not mentioned in this manual.
Warranty and Disclaimer
The product is warranted for one year after the date of delivery.
All parts used shall be those delivered by Kitagawa Corporation. Kitagawa Corporation
shall not be held liable for human accidents, death, damage, or loss that occurred due to
the use of parts which are not genuine parts manufactured by Kitagawa. Also, the use of
parts other than Kitagawa’s genuine parts will void the warranty.

3
Contents
1. Structural Drawing and Parts List 4
1-1.Mounting parts configuration
1-2.Structural drawing
1-3.Seal list
1-4.Parts list
1-5.Mounting parts list
2. Important Safety Precautions 10
3. Specifications 14
3-1.Specification table
3-2.Gripping force
4. Use 17
5. Design of Jaws 18
5-1. Designing jaws to be installed on the gripper
5-2. Designing base jaws to be installed on the gripper
6. Installation 20
6-1.Installing the gripper
6-2.Installing the jaws
6-3. Connecting the air piping
6-4.Installing the switches
7. Maintenance and Inspection 25
7-1.Periodic inspection
7-2.Maintenance interval
7-3.Grease supply
7-4.Air circuit maintenance
7-5.Disassembly and assembly procedure
8. Troubleshooting 29
8-1.In the case of gripper malfunction
8-2.Contact address in case of trouble
9. Others 31
9-1.Standards and directives to which the gripper conforms
9-2.Disposal of gripper

4
1. Structural Drawing and Parts List
1-1. Mounting parts configuration
The collaborative robots on which this product can be installed are limited to those
with end-effector mounting standards conforming to ISO9409-1-50-4-M6. It cannot be
installed on collaborative robots with other mounting standards.
The model indication is as follows:
NTS3 11
Series
Size
NTS3
NBR seal
11
adapter
Collaborative Robot
（Prepared by the customer）
Gripper
Base Jaw

5
The models of the Gripper Mounting Kit are as follows
Mounting Standard: Conforms to ISO9409-1-50-4-M6
NTS3 11 - C
Air equipment set
HP –A188
This equipment set includes solenoid valves, one-touch joints, and other air
equipment to operate the grippers. Other equipment not included in the air
equipment set must be provided by the customer.
Base jaw
NTS－BJ 3 11 C
Concerning the base jaw.
If you are not selecting a jaw to attach to the base jaw or a base jaw, please refer
to Section 5 "Jaw Design" to design and prepare the base jaw yourself.
Series
Size
Utilization
NTS3
11
Collaborative Robot
Series
Part name
Size
Utilization
NTS
Base jaw
11
Collaborative Robot

6
1-2. Structural drawing
1-3. Seal list
No.
Model
202
203
204
205
NTS311
X-ring X118
X-ring X232
O-ring S71
O-ring P4
Master jaw
Plunger
Body
Cover
Rear body
Piston

7
1-4. Parts list
①Without safety mechanism
No.
Parts name
Quantity
No.
Parts name
Quantity
1
Body
1
202
Shaft packing
1
2
Rear body
1
203
Piston packing
1
3
Plunger
1
204
O-ring A
1
4
Cover
1
205
O-ring B
2
5
Master jaw
3
206
Parallel pin
1
6
Piston
1
207
Setscrew
4
200
Piston fixing bolt
1
208
Rear body fixing bolt
3
201
Cover fixing bolt
3
4
201
200
5
202
6
1
3
206
205
204
203
208
207
2

8
１－５．Mounting parts list
1-5-1. Hand mounting set
No.
Parts name
Quantity
No.
Parts name
Quantity
1
Adapter
（Conforms to ISO9409-1-50-4-M6
mounting standard）
1
5
Positioning pin
2
2
Bushing
1
6
Gripper mounting bolt
3
3
Positioning pin
1
7
Speed Controller
SC3W-6-6 manufactured by CKD
2
4
Adapter mounting bolt
4
8
Reed Switch
SW-F2H3 manufactured by CKD
（Lead wire length 3m）
2
6
7
1
8
5
2
3
4