THK SKR Series User manual

INSTRUCTION MANUAL
SKR/KR
THK Electrical Actuator Compact Series
No.2060-2(0) E
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Table of Contents
i
SKR/KR
1. Introduction 1-1
1-1 Acknowledgment 1-1
1-2 About this manual 1-1
1-3 How to use this product 1-2
1-4 About product support 1-2
1-5 About related instruction manuals 1-2
1-6 Product and company information 1-3
2. Safety precautions 2-1
2-1 Warning indications on safety 2-1
2-2 Safety precautions 2-1
2-3 Checking warning labels 2-4
3. Specifications 3-1
3-1 Basic specification 3-1
4. Structure and Model Numbers 4-1
4-1 Structure and part names 4-1
4-2 Model configuration 4-2
5. Storage and Transportation 5-1
5-1 Precautions to be observed for safe use 5-1
5-2 Precautions to be observed for prevention of product fault or fracture 5-2
6. Installation and Operation 6-1
6-1 Precautions to be observed for safe use 6-1
6-2 Precautions to be observed for prevention of product fault or fracture 6-2
6-3 Other precautions 6-4
6-4 Motor mounting method 6-5
6-5 Outer rail mounting method 6-32
7. Maintenance 7-1
7-1 Precautions to be observed for safe use 7-1
7-2 Precautions to be observed for prevention of product fault or fracture 7-1
7-3 Daily inspection 7-2
7-4 Periodical inspection 7-2
7-5 Lubrication 7-3
7-6 Method for supplying grease 7-4
7-7 Belt replacement method for motor wrap type 7-5
7-8 Free warranty period 7-9
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Table of Contents
ii
SKR/KR
7-9 Usage conditions (range) 7-9
7-10 Warranty scope 7-9
7-11 Exclusion of warranty liability 7-10
7-12 Delivery conditions 7-10
8. Appendix 8-1
8-1 Permissible input torque 8-1
8-2 Permissible rotational speed 8-2
8-3 Introduction of the grease 8-4
8-4 Introduction of the grease gun unit 8-7
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1-1
SKR/KR
1. Introduction
1.
Introduction
1-1 Acknowledgment
Thank you for purchasing the Compact Series SKR/KR.
This product is a compact, rigid and high accuracy actuator with an inner block made with an
integrated LM block and ball screw nut structure (SKR55/65 only - ball screw nut embedded into
LM block) on the inner surface of the outer rail with U-shaped cross-section.
This product is designed and manufactured to be incorporated in devices with a wide range of
applications including conveyance systems, implementing equipment, automated assemblers,
positioning equipment and more.
We hope our creative inventions and unique technologies contribute to your further prosperity.
1-2 About this manual
1-2-1 Intended audience
The person in charge of designing embedded systems of the product and installing, wiring, and
maintaining the product, and the person who actually uses the product.
1-2-2 Using this manual
This manual describes correct handling methods and precautions for the product.
For the maximum performance and long life of the product, carefully read and understand this
manual to safely and correctly use the product.
If you use the printed version of this manual, be sure to keep it in the place that the audience can
refer to it when needed.
1-2-3 Notice and attention
zDo not use or handle the product in the ways that are not described in this manual.
zDo not reproduce, reprint, or lend the whole contents or a part of this manual without permission.
zPlease note that the description in this manual is subject to change without prior notice in the fu-
ture, due to improvements of the product or other reasons.
zWe have made all possible efforts to make the content of this manual accurate. However, if you
find any mistake or uncertainty in this manual, please contact THK.
zDrawings throughout this manual are only intended as typical examples, and may differ from your
product.
zNote that THK shall not be liable for any result incurred by applying this manual, regardless of the
reason.
zThis manual is also applied to custom products. However, the descriptions provided in the de-
livery specification drawings or delivery specification documents of those custom products take
precedence over this manual.
* Custom products represent the products that have different materials and specifications from
those of the standard products on catalogs.
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1-2
SKR/KR
1. Introduction
1-2-4 Notation of this manual
z
Notes that can lead to unsatisfactory functions, errors, or damages of the product if not observed while using the product.
Important
zSupplementary information for the description.
Supplement
zReference information for the description.
Reference
1-3 How to use this product
zThis product must not be used for the devices or systems that are used under the situations that
may be fatal to human life.
zIf you consider using this product for special applications such as passenger movement vehicle,
medical, aerospace, nuclear power, and electric power devices or systems, be sure to consult
with THK in advance.
zThis product is manufactured under the strict quality control, however, that does not mean that
the product is free from failure. For applications to the equipment that may suffer serious acci-
dents or loss from the failure of this product, install safety devices or backup devices that prevent
such serious accidents or loss.
zIf you purchase this product with a motor, the driver controller to be used is one of HS-LXM, TLC or THC.
Please note that driver controllers other than the above cannot be used. This excludes installations of the
motor specified by the customer.
Important
1-4 About product support
We have made all possible efforts to make the content of this manual accurate. However, if you find
any mistake or uncertainty in this manual, please contact our Sales Division, and Customer Support,
or IMT Operation Division.
For the following information, please contact THK.
zTechnical support for this product
1-5 About related instruction manuals
zWhen you use the actuator SKR/KR, read the following instruction manuals as necessary.
When using driver controller TLC/THC
· Controller series Driver controller TLC
· Controller series Driver controller THC
· Controller series Network unit TNU
· Controller series Setup tool D-STEP
· Controller series Digital operator TDO
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1-3
SKR/KR
1. Introduction
When using controller HS-LXM
· Controller series Controller HS-LXM
· Controller series Operating BOX OP-20
· Controller series Controller HS-LXM
· Controller series Software for PC LXR-PC
· Controller series Servo Amp DJB3
· Technical materials for MELSERVO-J3 SSCNET III (by Mitsubishi Electric Corporation)
compliant MR-J3-£B servo amps
1-6 Product and company information
To find the latest product and company information,
we recommend you to periodically access our website.
zWebsite URL: https://www.thk.com
zTechnical support website URL: http://www.tech.thk.com/
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2-1
SKR/KR
2. Safety Precautions
2-2 Safety precautions
This section describes important precautions that you must observe.
General
zWhile this product is operating or operable, do not enter the working area of any mov-
ing part.
Otherwise, it may cause you to touch the moving part, leading to injury.
zWhile the motor or sensor is energized, do not move or install this product.
Otherwise, it may cause electric shocks, or cause malfunction that could lead to injury.
Installation and operation
zIf any moving part may fall by its own weight in vertical application or the like, provide
a safeguard for preventing the part from falling.
If any moving part falls, it may cause injury or damage.
zMotor wrap types do not have a safety device in case of timing belt breakage. Install a
safety device to the equipment for greater safety.
If any moving part falls, it may cause injury or damage.
zWhile this product is operating, do not touch any moving part or rotating part.
Otherwise, it may cause your hand to be caught and injured.
Warning
2-1 Warning indications on safety
This manual uses the following warning indications according to safety matters. The descriptions
next to warning indications on safety are important messages. Be sure to observe those
descriptions.
Warning
“Erroneous handling may cause death or serious injury
to a person”.
Caution
“Erroneous handling may cause injury to a person or
property damage only”.
"Prohibitions (don't)"
"Obligations (do)"
2.
Safety precautions
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2-2
SKR/KR
2. Safety Precautions
Maintenance
zTurn off the machine (turning power off) before conducting any maintenance.
Otherwise, it may cause electric shocks, or cause malfunction that could lead to injury.
zIf two or more people are involved in the operation, confirm the procedures such
as sequences, signs, and abnormalities in advance, and appoint another person for
monitoring the operation.
Failure to do so may cause an unexpected accident.
General
zDo not stand on this product or the packaging box.
Otherwise, it may cause fault or damage, or cause falling that could lead to injury.
zDo not impact this product.
Otherwise, it may cause fault or damage, or injure you.
zDo not apply a load that exceeds the permissible level.
Otherwise, it may cause fault or damage, or cause abnormal operation that could lead to injury.
Refer to the appendix of the general catalog of electric actuators for details about rated load and
permissible moments. Refer to the appendix of the general catalog of linear motion systems for
details about permissible input torque. (Permissible moments are for LM guides only and do not
consider fastening bolt strength.)
zDo not disassemble or alter this product.
Otherwise, it may cause foreign material to enter the product, which could result in fault or ad-
versely affect the performance or service life. or cause abnormal operation that could lead to
injury.
Unpacking
zBe careful not to hit your hands or body against protruded parts.
Otherwise, it may cause injury, or cause fault or fracture of the product.
zCheck whether the delivered product is the product you ordered.
Using a wrong product may cause malfunction that could lead to injury or fault.
zCheck whether the product has any fractured parts.
Using a fractured product may cause injury or fault.
* The packaging also contains a successful inspection certificate that guarantees product
quality. Please verify the contents.
* If you find any defect, contact our Sales Division.
Transportation
zDo not drop or hit this product.
Otherwise, it may cause injury or fracture, or a functional loss.
zWhen transporting this product, do not hold any moving parts, the cover or the
bellows.
Otherwise, it may cause the product to fall, leading to injury, or cause fault or fracture of the
product.
zWhen transporting this product, do not hold the motor, the sensor or the cable.
Otherwise, it may cause the product to fall, leading to injury, or cause fault or fracture of the
product.
Caution
2.
Safety precautions
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2-3
SKR/KR
2. Safety Precautions
zWhen carrying this product, hold the bottom face of the product. SKR55/65 and
KR55/65 are heavy articles (20 kg or heavier). Two or more people should hold the
product as necessary.
Otherwise, it may cause the product to fall, leading to injury, or cause fault or fracture of the
product.
* For more information on the weight of the product, see the general catalog of electric
actuators or general catalog of linear motion systems.
Installation and operation
zFirmly secure this product before operating it.
Failure to do so may cause abnormal operation that could cause injury, fault or fracture.
zIf anomaly occurs, immediately stop the machine.
Failure to do so may cause abnormal operation that could cause injury, fault or fracture.
zDo not exceed the maximum speed when using the product.
Otherwise, it may cause fault or damage, or cause abnormal operation that could lead to injury.
For your reference, see the specification (→P.3-1), which contains the maximum speed for each
model number at each stroke.
zDo not use the failed and broken product.
Otherwise, it may cause injury or machine failure.
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2-4
SKR/KR
2. Safety Precautions
2. Safety precautions
2-3 Checking warning labels
This product is affixed with warning labels. Identify them when unpacking the product.
Fig.1 shows the affixing position.
Applicable model number
Warning label
Afxed to rail surface Afxed to housing B
KR15, KR20
KR26, KR30H
KR33, KR45H
KR46
SKR20, SKR26
SKR33, SKR46
KR55
KR65
SKR55
SKR65
Afxed to rail surface (example) Afxed to housing B (example)
Without a cover With a cover
Warning
Warning
Warning
Warning
Fig. 1 SKR/KR warning label position
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3-1
SKR/KR
3. Specifications
3-1 Basic specification
3.
Specifications
The basic specification of SKR/KR is shown as follows. Do not exceed the following basic
specification when using the product. Otherwise, it may cause fault or damage, or cause abnormal
operation that could lead to injury.
Model
Motor
capacity
(W)
Lead
[mm] Accuracy Stroke [mm]1
Rated
speed
[mm/s]
2
Maximum speed at each stroke3[mm/s]
Stroke [mm]
100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500
SKR20 50 1
Normal grade, high
accuracy grade
and precision grade
30 to 130
50 100
6 300 600
SKR26 50 2
Normal grade, high
accuracy grade
and precision grade
60 to 210
100 200
6 300 600
SKR33 100
6
Normal grade, high
accuracy grade
and precision grade
100 to 600
300 600 550 390
10 500 1000 920 650
20 1000 2000 1780 1270
SKR46
200
10
Normal grade and high
accuracy grade
190 to 790 500 1000 730 550 430
and precision grade 190 to 590 500 1000 730
20
Normal grade and high
accuracy grade
190 to 790 1000 2000 1980 1430 1080 840
and precision grade 190 to 590 1000 2000 1980 1430
400
10
Normal grade and high
accuracy grade
190 to 790 500 1000 730 550 430
and precision grade 190 to 590 500 1000 730
20
Normal grade and high
accuracy grade
190 to 790 1000 2000 1980 1430 1080 840
and precision grade 190 to 590 1000 2000 1980 1430
SKR55
400
20
Normal grade and high
accuracy grade
800 to 1200 1000 1100 880 730 610 520
and precision grade 800 to 1000 1000 1100 880 730
30
Normal grade and high
accuracy grade
800 to 1200 1500 1650 1330 1100 920 780
and precision grade 800 to 1000 1500 1650 1330 1100
40
Normal grade and high
accuracy grade
800 to 1200 2000 2160 1750 1440 1210 1030
and precision grade 800 to 1000 2000 2160 1750 1440
750
20
Normal grade and high
accuracy grade
800 to 1200 1000 1100 880 730 610 520
and precision grade 800 to 1000 1000 1100 880 730
30
Normal grade and high
accuracy grade
800 to 1200 1500 1650 1330 1100 920 780
and precision grade 800 to 1000 1500 1650 1330 1100
40
Normal grade and high
accuracy grade
800 to 1200 2000 2160 1750 1440 1210 1030
and precision grade 800 to 1000 2000 2160 1750 1440
SKR65 750
20
Normal grade and high
accuracy grade
790 to 1500 1000 1470 970 690 450
and precision grade 790 to 1200 1000 1470 970 690
25
Normal grade and high
accuracy grade
790 to 1500 1250 1810 1200 850 550
and precision grade 790 to 1200 1250 1810 1200 850
30
Normal grade and high
accuracy grade
790 to 1500 1500 2210 1460 1030 670
and precision grade 790 to 1200 1500 2210 1460 1030
50
Normal grade and high
accuracy grade
790 to 1500 2500 3000 2350 1680 1100
and precision grade 790 to 1200 2500 3000 2350 1680
*1 Value for A type sliders (with 1 long type block).
*2 This assumes a speed at the rated motor revolution (3000 min-1).
*3 The maximum speed is the value restricted by the motor rotational speed (at 6000 min-1) or by the permissible rotational speed of the ball screw.
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3-2
SKR/KR
3. Specifications
Model
Motor
capacity
(W)
Lead
[mm] Accuracy Stroke [mm]1
Rated
speed
[mm/s]
2
Maximum speed at each stroke3[mm/s]
Stroke [mm]
100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500
KR15 - 1
High accuracy / precision
grade
30 to 150
50 75
2 100 150
KR20 50
1
Normal grade, high
accuracy grade
and precision grade
30 to 130
50 100
6 300 600
KR26 50
2
Normal grade, high
accuracy grade
and precision grade
60 to 210
100 200
6 300 600
KR30H 100
6
Normal grade and high
accuracy grade
100 to 500
300 470 395
and precision grade 300 600 590 395
10
Normal grade and high
accuracy grade
500 790 650
and precision grade 500 1000 980 650
KR33 100
6
Normal grade and high
accuracy grade
100 to 600
300 470 395 280
and precision grade 300 600 590 395 280
10
Normal grade and high
accuracy grade
500 790 650 470
and precision grade 500 1000 980 650 470
KR45H
200
10
Normal grade and high
accuracy grade
200 to 800 500 520 430
and precision grade 200 to 600 500 740 730
20
Normal grade and high
accuracy grade
200 to 800 1000 1050 840
and precision grade 200 to 600 1000 1480 1440
400
10
Normal grade and high
accuracy grade
200 to 800 500 520 430
and precision grade 200 to 600 500 740 730
20
Normal grade and high
accuracy grade
200 to 800 1000 1050 840
and precision grade 200 to 600 1000 740 730
KR46
200
10
Normal grade and high
accuracy grade
190 to 790 500 520 430
and precision grade 190 to 590 500 740 730
20
Normal grade and high
accuracy grade
190 to 790 1000 1050 850
and precision grade 190 to 590 1000 1480 1440
400
10
Normal grade and high
accuracy grade
190 to 790 500 520 430
and precision grade 190 to 590 500 740 730
20
Normal grade and high
accuracy grade
190 to 790 1000 1050 850
and precision grade 190 to 590 1000 740 730
KR55
400
20
Normal grade and high
accuracy grade
800 to 1200 800 800 740 620 530
and precision grade 800 to 1000 1000 1120 900 740
750
Normal grade and high
accuracy grade
800 to 1200 800 800 740 620 530
and precision grade 800 to 1000 1000 1120 900 740
KR65 750 25
Normal grade and high
accuracy grade
800 to 1500 800 800 550
and precision grade 800 to 1200 1120 1120 840
*1 Value for A type sliders (with 1 long type block).
*2 This assumes a speed at the rated motor revolution (3000 min-1).
*3 The maximum speed is the value restricted by the motor rotational speed (at 6000 min-1) or by the permissible rotational speed of the ball screw.
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4-1
SKR/KR
4. Structure and Model Numbers
4-1 Structure and part names
The name of each part of this product is shown in Fig. 2.
Cover
Sub-table
Inner block
Inner block (ball screw side)
Housing B
Ball screw shaft
Sensor rail
Sensor (proximity sensor)
Grease nipple
Housing A
Coupling
Sensor dog
Intermediate
ange
Motor Outer rail
Stopper
Fig. 2 The structure and part names of SKR/KR
* For details such as the dimensions and accuracy, see the delivery specification drawings or
general catalog of linear motion systems.
If you have any question, contact THK.
4.
Structure and Model Numbers
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4-2
SKR/KR
4. Structure and Model Numbers
4.
Structure and Model Numbers
4-2 Model configuration
The following is an example of model number coding.
SKR46 20 A - 0490 - P H - 1 E WV - 14 M / M40B R L S02 D2 HA 2
(1) Model number SKR20, SKR26, SKR33, SKR46, SKR55, SKR65 KR15, KR20,
KR26, KR30H, KR33, KR45H, KR46, KR55, KR65
(2) Ball screw lead 1 : (SKR20, KR15, KR20)
2 : (SKR26, KR15, KR26)
6 : (SKR20, SKR26, SKR33, KR20, KR26, KR30H, KR33)
10 : (SKR33, SKR46, KR30H, KR33, KR45H, KR46)
20 : (SKR33, SKR46, SKR55, SKR65, KR45H, KR46, KR55)
25 : (SKR65, KR65)
30 : (SKR55, SKR65)
40 : (SKR55)
50 : (SKR65)
(3) Slider type A : 1 long block
B : 2 long blocks
C : 1 short block
D : 2 short blocks
(4) Stroke 0015 : 15mm (50 to 1490mm)
(5) Accuracy No symbol : Normal grade
H : High accuracy grade
P : Precision grade
(6) With or without a
motor/control
device type
0 : Direct connecting (without motor)
R1 : Non-standard side motor wrap1(without motor)
R2 : Standard side motor wrap1(without motor)
R3 : Bottom side motor wrap1(without motor)
1 : Direct connecting
(Customer specified motor purchased/mounted by THK)
R4 : Non-standard side motor wrap1
(Customer specified motor purchased/mounted by THK)
R5 : Standard side motor wrap1
(Customer specified motor purchased/mounted by THK)
R6 : Bottom side motor wrap1
(Customer specified motor purchased/mounted by THK)
H : Controller HS-LXM
TL : Driver controller TLC
TH : Driver controller THC
(7) Cover 0 : Without cover
1 : With cover
2 : With bellows
(1) (4) (5)(3)(2) (6) (7)(8) (9) (10) (11) (12) (13)(14) (15) (17)(16) (18)
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4-3
SKR/KR
4. Structure and Model Numbers
(8) Sensor 0 :Not included
1 :With sensor rail
2 :Photo sensor [3 pcs] (EE-SX671) (OMRON Co., Ltd.)
6 :Photo sensor [3 pcs] (EE-SX674) (OMRON Co., Ltd.)
7 :Proximity sensor - N.O. contact [3 pcs] (APM-D3A1-001) (Azbil
Corporation)
B :Proximity sensor - N.C. contact [3 pcs] (APM-D3B1-003) (Azbil
Corporation)
E :Proximity sensor - N.O. contact [1 pcs], N.C. contact [2 pcs]
(APM-D3A1-001, APM-D3B1-003) (Azbil Corporation)
H :Proximity sensor - N.O. contact [3 pcs] (GX-F12A) (Panasonic
Industrial Devices SUNX Co., Ltd.)
L :Proximity sensor - N.C. contact [3 pcs] (GX-F12B) (Panasonic
Industrial Devices SUNX Co., Ltd.)
J : Proximity sensor - N.O. contact [1 pcs], N.C. contact [2 pcs]
(GX-F12A, GX-F12B) (Panasonic Industrial Devices SUNX Co., Ltd.)
M :Proximity sensor (PNP output) - N.O. contact [1 pcs], N.C. contact
[2 pcs] (GX-F12A-P, GX-F12B-P) (Panasonic Industrial Devices
SUNX Co., Ltd.)
(9) Housing A/
intermediate flange
10
20
30
40
50
60
A0
A5
A6
AM
AN
AP
AQ
AR
AS
AT
AU
AV
AY
AZ
W5
WN
WP
WQ
WV
WY
WZ
(10) Motor shaft
diameter
No symbol : To be selected when directly coupled
05 : 5 mm
08 : 8 mm
11 : 11 mm
14 : 14 mm
16 : 16 mm
19 : 19 mm
(11) Method of fixing
motor shaft
No symbol : To be selected when directly coupled
D: Shaft flat (D-cut)
K: Key way
M: Friction bushing
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4-4
SKR/KR
4. Structure and Model Numbers
(12) Motor rated output M05 : 50 W
M10 : 100 W
M20 : 200 W
M40 : 450 W
M75 : 750 W
M05B : 50 W with brake
M10B : 100 W with brake
M20B : 200 W with brake
M40B : 400 W with brake
M75B : 750 W with brake
(13) Motor mounting
method
S: Direct coupling
R: Motor right wrap1
L: Motor left wrap1
D: Motor down-turn wrap1
(14) Motor cable
orientation2
R: Right
U: Up
L: Left
D: Down
(15) Origin system3S02 : Motor side (sensor right side)
S12 : Motor side (sensor right side)
S20 : Motor side (sensor left side)
S21 : Motor side (sensor left side)
S03 : Reverse motor side (sensor right side)
S13 : Reverse motor side (sensor right side)
S30 : Reverse motor side (sensor left side)
S31 : Reverse motor side (sensor left side)
D00 : Motor side (stopper)
D01 : Motor side (stopper)
D10 : Motor side (stopper)
D11 : Motor side (stopper)
R00 : Reverse motor side (stopper)
R01 : Reverse motor side (stopper)
R10 : Reverse motor side (stopper)
R11 : Reverse motor side (stopper)
(16) Power supply
voltage
No symbol
D1 : 100 V
D2 : 200 V
(17) Cable type and
length
S3 : 3 m standard
S5 : 5 m standard
SA : 10 m standard
F3 : 3 m for securing
F5 : 5 m for securing
FA : 10 m for securing
H3 : 3 m high flex
H5 : 5 m high flex
HA: 10 m high flex
(18) Axis number 1 : 1st axis
2 : 2nd axis
3 : 3rd axis
4 : 4th axis
5 : 5th axis
6 : 6th axis
7 : 7th axis
8 : 8th axis
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4-5
SKR/KR
4. Structure and Model Numbers
1Motor wrap direction
R3, R6
Bottom side (motor down wrap)
R2, R5
Standard side
(motor left wrap)
R1, R4
Non-standard side
(motor right wrap)
90°
Motor wrap direction
(As seen from side A)
A
2Motor cable orientation
For direct motor coupling
U: Up L: Left D: Down
R: Right
For motor wrap coupling
A
Motor connector direction
(As seen from side A)
U: UpD: Down
R: Right
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4-6
SKR/KR
4. Structure and Model Numbers
3Origin system
( : sensor rail, : external origin sensor)
Origin sensor type
Pr
essed origin type
Motor side origin
Reverse motor
side origin
Left side
Right side
Motor side origin
Reverse motor
side origin
Left side
Right side
S02 (standard) S12 S2
0S
21
S03 S13 S3
0S
31
D00 D01 D10 D11
R00 R01 R10 R11
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5-1
SKR/KR
5. Storage and Transportation
5-1 Precautions to be observed for safe use
zDo not drop or hit this product.
Otherwise, it may cause injury or fracture, or a functional loss.
zWhen transporting this product, do not hold any moving parts, the cover or the bellows.
Otherwise, it may cause the product to fall, leading to injury, or cause fault or fracture of the
product.
zWhen transporting this product, do not hold the motor, the sensor or the cable.
Otherwise, it may cause the product to fall, leading to injury, or cause fault or fracture of the
product.
zWhen carrying this product, hold beneath the outer rail. SKR55/65 and KR55/65 are heavy
articles (20 kg or heavier). Two or more people should hold the product as necessary.
Otherwise, it may cause the product to fall, leading to injury, or cause fault or fracture of
the product.
* For more information on the weight of the product, see the general catalog of electric actuators
or general catalog of linear motion systems.
Caution
5.
Storage and Transportation
www.thk.ru
тел. [phone]
[email protected]

5-2
SKR/KR
5. Storage and Transportation
5.
Storage and Transportation
5-2
Precautions to be observed for prevention of product fault or fracture
zSince using an adverse storage environment may cause fault, store the product in the
environment described below:
· A place at ambient temperature within the following storage temperature range
Storage temperature: -20°C to 80°C (no freezing or condensation, SKR/KR body only)
* For SKR20/26: -10°C to 50°C (no freezing or condensation, SKR body only)
* With the packaging unopened
· Place where the product is not exposed to water
· Place where no flammable substance exists in the vicinity
· Place where a vibration or shock does not transmit to the product
· Place where liquid containing impurities such as conductive iron dust, powder such as solid
abrasive, dust, oil mist, cutting oil, water content, salt content, organic solvent, or corrosive/
flammable gas is not generated or does not float
· A place where no direct sunlight nor radiation heat reaches
· Place where no strong electric field nor strong magnetic field develops
· Place where inspections and cleanings can be easily performed
zThis product is provided with antirust treatment and sealed before being packed.
When storing the product, enclose it in a package designated by THK and store it in
a horizontal orientation while avoiding high temperature, low temperature and high
humidity.
zDo not apply an excessive load on the package, otherwise, it may cause fault or fracture.
www.thk.ru
тел. [phone]
[email protected]