THK A User manual

INSTRUCTION MANUAL
A/AX
THK Electrical Actuator Precision Stage Series
1-Axis / XY Stage
No.124M-1(0)E
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Table of Contents
i
A/AX
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 Product and company information------------------------------------------------------------------------------------- 1-2
2. Safety Precautions 2-1
2-1 Warning indications on safety --------------------------------------------------------------------------------------------- 2-1
2-2 Safety precautions ----------------------------------------------------------------------------------------------------------------- 2-1
3. Structure and Model Numbers 3-1
3-1 Structure and part names----------------------------------------------------------------------------------------------------- 3-1
3-2 Model configuration --------------------------------------------------------------------------------------------------------------- 3-2
4. Storage and Transportation 4-1
4-1 Precautions to be observed for safe use-------------------------------------------------------------------------- 4-1
4-2 Precautions to be observed for prevention of fault or lowered performance
of this product ------------------------------------------------------------------------------------------------------------------------- 4-2
5. Installation and Operation 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
5-3 Other precautions------------------------------------------------------------------------------------------------------------------- 5-5
5-4 Mounting method ------------------------------------------------------------------------------------------------------------------- 5-6
6. Maintenance 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-------------------- 6-1
6-3 Daily inspection----------------------------------------------------------------------------------------------------------------------- 6-2
6-4 Periodical inspection ------------------------------------------------------------------------------------------------------------- 6-2
6-5 Lubrication ------------------------------------------------------------------------------------------------------------------------------- 6-3
6-6 Method for supplying grease----------------------------------------------------------------------------------------------- 6-4
6-7 Free warranty period-------------------------------------------------------------------------------------------------------------- 6-5
6-8 Usage conditions (range)------------------------------------------------------------------------------------------------------ 6-5
6-9 Warranty scope ----------------------------------------------------------------------------------------------------------------------- 6-5
6-10 Exclusion of warranty liability ---------------------------------------------------------------------------------------------- 6-6
6-11 Delivery conditions----------------------------------------------------------------------------------------------------------------- 6-6
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Table of Contents
ii
A/AX
7. Appendix 7-1
7-1 Basic static load rating and static permissible moment ----------------------------------------------- 7-1
7-2 Maximum speed --------------------------------------------------------------------------------------------------------------------- 7-2
7-3 Permissible input torque------------------------------------------------------------------------------------------------------- 7-2
7-4 Motor selection ----------------------------------------------------------------------------------------------------------------------- 7-3
7-5 Calculation of the service life----------------------------------------------------------------------------------------------- 7-5
7-6 Hanger mounting hole position----------------------------------------------------------------------------------------- 7-10
7-7 Introduction of the grease -------------------------------------------------------------------------------------------------- 7-11
7-8 Introduction of the grease gun unit ---------------------------------------------------------------------------------- 7-12
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1-1
A/AX
1. Introduction
1.
Introduction
1-1 Acknowledgment
Thank you for purchasing the Precision Stage Series 1-Axis/XY Stage A/AX.
This is a high-accuracy precision stage using LM guides in the guide part and a precision ball screw
in the feed mechanism.
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
●Do not use or handle the product in the ways that are not described in this manual.
●Do not reproduce, reprint, or lend the whole contents or a part of this manual without permission.
●Please note that the description in this manual is subject to change without prior notice in the
future, due to improvements of the product or other reasons.
●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 THK.
●Drawings throughout this manual are only intended as typical examples, and may differ from your
product.
●Note that THK shall not be liable for any result incurred by applying this manual, regardless of the
reason.
●This manual is also applied to custom products. However, the descriptions provided in the
delivery 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
A/AX
1. Introduction
1-3 How to use this product
● This product must not be used for the devices or systems that are used under the situations that
may be fatal to human life.
● If 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.
● This 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
accidents or loss from the failure of this product, install safety devices or backup devices that
prevent such serious accidents or loss.
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 THK.
For the following information, please contact THK.
● Technical support for this product
1-5 Product and company information
To find the latest product and company information, we recommend you to periodically access our
website.
● Website URL: https://www.thk.com/
● THK technical support website: https://tech.thk.com/
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2-1
A/AX
2. Safety Precautions
2-2 Safety precautions
This section describes important precautions that you must observe.
■General
⿟While this product is operating or operable, do not enter the working area of any
moving part.
Otherwise, it may cause you to touch the moving part and injure you.
⿟While 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
⿟Wire and connect the electric components correctly and securely.
Failure to do so may cause fire and electric shocks, or may cause abnormal operation that could
lead to injury, fault or fracture.
⿟If 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.
⿟While 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
A/AX
2. Safety Precautions
■General
⿟Do not stand on this product or the packaging box.
Otherwise, it may cause fault or damage, or cause falling that could lead to injury.
⿟Do not impact this product.
Otherwise, it may cause fault or damage, or injure you.
⿟Do 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.
* For your reference, see the general catalog of electric actuators, which contains the payload,
and the Appendix, which contains the static permissible moment and permissible input torque.
⿟Do not disassemble or alter this product.
Otherwise, it may cause foreign material to enter the product, which could result in fault or
adversely affect the performance or service life. Or it may cause abnormal operation that could
lead to injury.
* If you wish to disassemble or alter the product, contact THK.
■Unpacking
⿟Be careful not to hit your hands or body against protruded parts.
Otherwise, it may cause injury, or cause fault or fracture of the product.
⿟Check whether the delivered product is the product you ordered.
Using a wrong product may cause malfunction that could lead to injury or fault.
* In the packaging box, an accuracy inspection report is attached.
⿟Check whether the product has any fractured parts.
Using a fractured product may cause injury or fault.
* If you find any defect, contact our Sales Division.
■Transportation
⿟Do not drop or hit this product.
Otherwise, it may cause injury or fracture, or a functional loss.
⿟When transporting this product, do not hold any moving part or the bellows.
Otherwise, it may cause the product to fall, leading to injury, or cause fault or fracture of the
product.
⿟When 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
Warning
■Maintenance
⿟Turn off the machine (turning power off) before conducting any maintenance.
Otherwise, it may cause electric shocks, or cause malfunction that could lead to injury.
⿟If 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.
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2-3
A/AX
2. Safety Precautions
2. Safety Precautions
Caution
⿟Transport this product horizontally so that the moving parts do not shift. When the
moving parts are likely to shift, secure them for transport.
Otherwise, it may cause the product to fall or allow contact with the moving parts, leading to
injury, or cause fault or fracture of the product.
* The standard models do not have fixing brackets. Contact THK for custom mounting of fixing
brackets.
⿟When carrying this product, hold the bottom face of the base. Most models of this
product 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.
⿟When hanging this product, hang the base at the specied position using a hanger. (Do
not hang the table or saddle. )
Note) This hanging work must be carried out only by the qualied personnel wearing
the protective equipment such as helmets and safety shoes.
Otherwise, it may cause the product to fall, leading to injury, or cause fault or fracture of the
product.
* Also see the appendix, which contains the hanger mounting hole positions. (A05 to A15 and
AX0505 to AX1515 do not have hanger mounting hole processing. )
* This product does not come with a hanger. When one is necessary, prepare it on your side or
contact THK.
■Installation and operation
⿟Firmly secure this product before operating it.
Failure to do so may cause abnormal operation that could cause injury, fault or fracture.
⿟Pay attention to avoid applying the tension or bending to cables.
Failure to do so may cause abnormal operation that could cause injury, fault or fracture.
⿟If anomaly occurs, immediately stop the machine.
Failure to do so may cause abnormal operation that could cause injury, fault or fracture.
⿟Do not allow the ball screw to exceed the permissible rotational speed when using the
product.
Otherwise, it may cause fault or damage, or cause abnormal operation that could lead to injury.
* The permissible rotational speed of the A/AX standard ball screw is 3000 min-1. If exceeding
the permissible rotational speed in use, contact THK.
⿟Do not use the failed and broken product.
Otherwise, it may cause injury or machine failure.
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3-1
A/AX
3. Structure and Model Numbers
3-1 Structure and part names
Figs.1 and 2 show the structure and part names of this product.
Ball screw
Stopper
Motor bracket
LM guide
Base
Motor
Coupling
Sensor
Table
Fig. 1 Structure and part names of the 1-axis stage
Base
Y axis (lower axis)
X axis (upper axis)
Table
Saddle
Sensor
Motor
Coupling
Motor bracket
Stopper
Ball screw
LM guide
Fig. 2 Structure and part names of the XY stage
* For details such as the dimensions and accuracy, see the delivery specification drawings or
general catalog of electrical actuators.
If you have any question, contact THK.
3.
Structure and Model Numbers
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3-2
A/AX
3. Structure and Model Numbers
3.
Structure and Model Numbers
3-2 Model configuration
The following is an example of model number coding.
■1-Axis Stage
■XY Stage
A 25 P4 A E
(1) Model number A
(2) Stroke 25: 250 mm
(3) Precision class P6, P5, P4
(4) Motor type A: Stepper motor (Sanyo Denki Co., Ltd.), with driver (without cable)
B: Servo motor (Yaskawa Electric Corporation) SGMPS
S: Your specified motor, with driver
(5) Custom specifications E: Top table etc. alteration
J: With bellows
AX 25 30 P4 A E
(1) Model number AX
(2) X/upper axis stroke 25: 250 mm
(3) Y/lower axis stroke 30: 300 mm
(4) Precision class P6, P5, P4
(5) Motor type A: Stepper motor (Sanyo Denki Co., Ltd.), with driver (without cable)
B: Servo motor (Yaskawa Electric Corporation) SGMPS
S: Your specified motor, with driver
(6) Custom specifications E: Top table etc. alteration
J: With bellows
*For details, see the general catalog of the electric actuators.
(1)
(1)
(4)
(4)
(5)
(5)
(3)
(3)
(2)
(2) (6)
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4-1
A/AX
4. Storage and Transportation
4-1 Precautions to be observed for safe use
⿟Do not drop or hit this product.
Otherwise, it may cause injury or fracture, or a functional loss.
⿟When transporting this product, do not hold any moving part or the bellows.
Otherwise, it may cause the product to fall, leading to injury, or cause fault or fracture of the
product.
⿟When 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.
⿟Transport this product horizontally so that the moving parts do not shift. When the
moving parts are likely to shift, secure them for transport.
Otherwise, it may cause the product to fall or allow contact with the moving parts, leading to injury,
or cause fault or fracture of the product.
* The standard models do not have fixing brackets. Contact THK for custom mounting of fixing
brackets.
⿟When carrying this product, hold the bottom face of the base. Most models of this
product 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.
⿟When hanging this product, hang the base at the specied position using a hanger. (Do
not hang the table or saddle. )
Note) This hanging work must be carried out only by the qualied personnel wearing the
protective equipment such as helmets and safety shoes.
Otherwise, it may cause the product to fall, leading to injury, or cause fault or fracture of the
product.
*Also see the appendix, which contains the hanger mounting hole positions. (A05 to A15 and
AX0505 to AX1515 do not have hanger mounting hole processing. )
*This product does not come with a hanger. When one is necessary, prepare it on your side or
contact THK.
Caution
4.
Storage and Transportation
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4-2
A/AX
4. Storage and Transportation
4.
Storage and Transportation
4-2 Precautions to be observed for prevention of fault or lowered performance of this product
⿟Since using in an adverse storage environment may cause fault or degradation, store the
product in the environment described below:
∙A place at ambient temperature within the following storage temperature range
Storage temperature : -10°C to 50°C
(no freezing or condensation, main unit only)
* With the packaging unopened
∙A place with no sudden temperature change
∙A place with non-corrosive gas nor flammable gas
∙A place with little dust, salt or metallic powder
∙A place with no exposure to water, oil or chemicals
∙A place where no direct sunlight nor radiation heat reaches
∙A place where no strong electric field nor strong magnetic field develops
∙A place where a vibration or shock does not transmit to the main unit
⿟This product is provided with antirust treatment 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.
⿟Do not apply an excessive load on the package, otherwise, it may cause fault or fracture.
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5-1
A/AX
5. Installation and Operation
5.
Installation and Operation
5-1 Precautions to be observed for safe use
⿟Wire and connect the electric components correctly and securely.
Failure to do so may cause fire and electric shocks, or may cause malfunction that could lead to
injury, fault or fracture.
⿟If 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, fault or damage.
⿟While this product is operating, do not touch any moving part or rotating part.
Otherwise, it may cause your hand to be caught and injured.
⿟Firmly secure this product before operating it.
Failure to do so may cause abnormal operation that could cause injury, fault or fracture.
⿟Pay attention to avoid applying the tension or bending to cables.
Failure to do so may cause abnormal operation that could cause injury, fault or fracture.
⿟If anomaly occurs, immediately stop the machine.
Failure to do so may cause abnormal operation that could cause injury, fault or fracture.
⿟Do not allow the ball screw to exceed the permissible rotational speed when using the
product.
Otherwise, it may cause fault or damage, or cause abnormal operation that could lead to injury.
* The permissible rotational speed of the A/AX standard ball screw is 3000 min-1. If exceeding the
permissible rotational speed in use, contact THK.
⿟Do not use the failed and broken product.
Otherwise, it may cause injury or machine failure.
Caution
Warning
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5-2
A/AX
5. Installation and Operation
5.
Installation and Operation
5. Installation and Operation
5-2 Precautions to be observed for prevention of product fault or fracture
⿟Since using an adverse service environment may cause fault, use the product in the
environment described below.
∙A place within the following operating temperature range
Operating temperature: 0°C to 40°C (ambient humidity less than 85% RH, no freezing or
condensation)
* The accuracy of this product is the value at 22 ±2°C. When used at other than 22 ±2°C, the
accuracy may vary.
* If you desire to use the product outside of the operating temperature range, contact THK.
∙A place with no sudden temperature change
∙A place with non-corrosive gas nor flammable gas
∙A place with no floating of dust, salt or metallic powder
∙A place with no exposure to water, oil or chemicals
∙A place where no direct sunlight, ultraviolet rays, nor radiation heat reaches
∙A place where no strong electric field nor strong magnetic field develops
∙A place where a vibration or shock does not transmit to the main unit
⿟Standard models of this product are designed based on use in a horizontal position. Use
in other positions may or may not be possible depending on the conditions. Contact THK
for details.
Use of standard models in other than horizontal positions may cause faults or adversely affect the
performance or the service life. As well, for the model with bellows, the bellows may detach.
* When the standard model cannot be used, contact THK for custom products.
⿟Certain types of coolants may cause trouble to the function of the product. If using the
product in an environment where the coolant may enter into the product, contact THK.
⿟Prevent foreign material such as dust or metallic powder from entering the LM guide or
ball screw, as it may cause abnormal wear or shorten the service life.
If foreign material enter the product, take a dustproof measure that matches the service atmo-
sphere.
⿟Use the product within the effective stroke range.
* For more information on the effective stroke, see the general catalog of the electric actuators.
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5-3
A/AX
5. Installation and Operation
5.
Installation and Operation
5. Installation and Operation
⿟Be careful not to let the parts to be mounted on the table of this product interfere with
any other parts near the stroke end.
Note) The motor bracket of A05 to A15 and AX0505 to AX1515 is higher than the table upper
surface. Be careful when designing parts to be mounted on the table. See Fig. 3.
Table
Motor bracket
1.5
Fig. 3 A05 side surface diagram
⿟For the model with bellows, the bellows are higher than the table upper surface. Be
careful that the parts mounted on the table do not interfere with the bellows and vice
versa.
* For more information on the dimensions of the bellows, see the general catalog of electric
actuators.
⿟The mounting surface for this product must be a machined plane or have the accuracy
equivalent to the machined plane. If the surface is insufficiently accurate, it may
adversely affect the performance or the service life. In addition, be sure to mount the
product on a sufciently rigid base.
* This product has been measured for accuracy on a JIS grade 0 equivalent surface plate. When
all accuracies are required, we recommend the flatness in Table 1.
Model Precision class Recommended flatness (μm) Surface plate grade guidelines
A05 to A15
AX0505 to AX1515
P6 7 JIS grade 1 equivalent
P5, P4 3.5 JIS grade 0 equivalent
A20 to A30
AX2020 to AX3030
P6 9 JIS grade 1 equivalent
P5, P4 4.5 JIS grade 0 equivalent
A40, A50
AX4040 to AX5050
P6 11 JIS grade 1 equivalent
P5, P4 5.5 JIS grade 0 equivalent
* The surface plate grade is in accordance with the JIS B 7513 precision surface plate.
Table 1 Stage mounting surface recommended atness
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5-4
A/AX
5. Installation and Operation
5.
Installation and Operation
5. Installation and Operation
⿟Adjust the position and the settings so that the OT sensor (limit sensor) reacts effectively
before the moving parts strike the stopper.
⿟When adjusting sensor position, secure it so that the sensor dog does not contact the
sensor. See Fig. 4.
Sensor dog
Adjust and secure the sensor
so that the sensor dog passes
through near its center
Sensor
Fig. 4 Drawing for mounting the sensor
⿟Check that there is no tool or bolt in the product before operating it.
⿟The stoppers attached to both stroke ends are not for positioning. Do not use them for
positioning.
⿟Anti-rust oil is applied on the product. Thoroughly wipe off the oil before operating the
product. As well, after trial run, supply the specied grease to LM guide and ball screw
before using the product.
In addition, the standard models contain the THK AFB-LF grease.
⿟The standard sensors (photomicro sensors) do not have the water-proof or dust-proof
structure. Do not use it in a place where much dust or oil mist is present, or where water,
oil or chemical directly or indirectly ies. For other detail information, see the catalog
issued by the sensor manufacturer.
* Standard sensor (does not come with connector or cord)
∙With stepper motor .... EE-SX671, EE-SX670: OMRON Corporation
∙With AC servo motor .... EE-SX671: OMRON Corporation
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5-5
A/AX
5. Installation and Operation
5.
Installation and Operation
5. Installation and Operation
5-3 Other precautions
⿟The accuracy of this product is the value in a horizontal position without moment load
applied.
When used in other positions or with large moment load applied, the accuracy may vary.
⿟THK does not adjust driver parameters or gain. Adjust according to usage conditions.
⿟For selection and handling of a motor and a driver, see the respective catalog and
instruction manual issued by the motor and driver manufacturers.
For data required to select a motor, see the appendix for your reference.
⿟For selection, handling and mounting of a coupling, see the respective catalog issued by
the coupling manufacturer.
Check necessary data such as permissible torque, eccentricity, deflection angle and tightening
torque of the assembly bolt.
* For models of standard couplings, see Table 2.
Model With stepper motor With AC servo motor
A05 to A15
AX0505 to AX1515
SFC-020DA2-T012
(With slit panel) *1
: Miki Pulley Co., LTD.
SFC-020DA2
: Miki Pulley Co., LTD.
A20 to A30
AX2020 to AX3030 Custom product *2SFC-030DA2 : Miki Pulley Co., LTD.
A40, A50
AX4040 to AX5050 Custom product *2SFC-035DA2 : Miki Pulley Co., LTD.
*1: Contact THK for purchase of these A/AX custom specifications.
*2: Contact THK for custom product specifications.
Table 2 Standard coupling models
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5-6
A/AX
5. Installation and Operation
5.
Installation and Operation
5. Installation and Operation
5-4 Mounting method
Using the mounting holes in the base, secure this product to the mounting surface using hexagonal-
socket-head type bolts. See Fig. 5. Also see Table 3, which shows the size and the recommended
length of bolts for securing to base.
Bolts for securing base
Base
Mounting surface
L
Fig. 5 Mounting drawing
Model Bolt size
Recommended
bolt length
(L)
Mounting surface
Recommended female thread
depth
A05 to A15
AX0505 to AX1515 M6 14 mm or more 12 mm or more
A20 to A30
AX2020 to AX3030 M10 25 mm or more 20 mm or more
A40, A50
AX4040 to AX5050 M12 30 mm or more 24 mm or more
Table 3 Base securing bolt size and recommended length
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6-1
A/AX
6. Maintenance
6.
Maintenance
6-1 Precautions to be observed for safe use
⿟Turn off the machine (turning power off) before conducting any maintenance.
Otherwise, it may cause electric shocks, or cause malfunction that could lead to injury.
⿟If 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.
⿟When handling grease, wear a protective glasses and protective gloves.
If grease gets into eyes or touch the skin, it may affect your body such as causing inflammation.
* If grease gets into eyes, clean them with clean water for 15 minutes and visit the doctor.
* If grease touches skin, wash it sufficiently with water and soap.
⿟After greasing, travel the block back and forth throughout, and wipe off the surplus
grease.
If you restart operation immediately after greasing, the surplus grease flies and may cause faults
and affect your body.
⿟Do not expose grease to a ame, spark or high-temperature object.
Otherwise, it may ignite the grease, which could cause fire.
* For other information on handling grease, see the precautions indicated on the grease package
or catalog. We have “Material Safety Data Sheets” for THK original greases. Contact THK for
details.
⿟Prevent grease from adhering to the photomicro sensors.
Failure to do so may cause malfunction that could lead to injury, fault or fracture.
Caution
Warning
6-2 Precautions to be observed for prevention of product fault or fracture
⿟To have this product fully exert its functions, it is essential to lubricate the product. Be
sure to supply grease on a regular basis.
Using the product with insufficient lubrication may shorten the service life.
⿟Do not let foreign materials enter into the LM guide or the ball screw.
Otherwise, it may cause fault, or could adversely affect the performance or service life.
⿟Do not mix different types of grease.
Otherwise, it may affect the performance.
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6.
Maintenance
6-2
A/AX
6. Maintenance
6-3 Daily inspection
6-4 Periodical inspection
⿟Before operating the product, visually check any exterior damage or stain.
⿟Check the grease state (stain, etc.). If the grease is significantly stained, wipe off the
grease, and then supply new grease. (Supply the new grease until it comes out from the
inner block, and exhaust the stained grease. )
⿟Check whether abnormal noise or vibration occurs during operation. If abnormal noise
or vibration occurs, immediately stop the machine and inspect the state of the product.
Insufficient lubrication or loosened mounting bolts may cause abnormal noise or vibration.
⿟Perform more detailed inspection approximately once every 3 to 6 months.
∙Check the lubrication state, and then clean the product and replenish the grease.
∙Inspect whether each mounting bolt has loosened, and if any of them has loosened, retighten it.
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