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THK Linear Actuator (Steel body)（Accuracy：Precision Grade）

4 items

: 30; 45; 60

Days to Ship	All Same day 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 9 Day(s) or Less 10 Day(s) or Less 11 Day(s) or Less 12 Day(s) or Less 17 Day(s) or Less

Compact Series SKR20

THK

A compact, high-rigidity and high-precision actuator with an integrated inner block consisting of an LM block and ball screw nut.
In addition, as the housing A/B serves as a support unit and the inner block serves as a table, it is possible to dramatically reduce the steps in designing and assembling.

[Features]
· Arranged to make contact at an angle of 45° such that the load is equal in 4 directions, enabling use in various positions.
· The linear guide is made of 4 rows of circular arced grooves for a highly rigid guide with no cracks.
· Changes to friction resistance due to changes in load are suppressed as far as possible, promoting high-accuracy feeding.
· The U-shaped cross-sectional outer rail improves rigidity against moment and torsion.

[Effects of Using Ball Retainer]
· The grease retention capacity has been improved, allowing long-term maintenance-free operation. (QZ Lubricator is attached to the ball screw.)
· Eliminates mutual friction between balls, reduces torque fluctuation and achieves excellent sliding performance.
· In addition, since the basic dynamic load rating of the LM guide and ball screw is higher than conventional products, it has a long service life.

CAD ：

2D / 3D

Days to Ship: 24 Day(s) or more
Actuator KR15

THK

A compact, high stiffness, and high precision actuator with an integrated inner block consisting of an LM block and a ball screw nut.
Also, the housing A/B doubles as a support unit, and the inner block doubles as a table.
Therefore, it has become possible to significantly reduce design and assembly labor-hours.

[Features]
・ Since it is arranged at a contact angle of 45° so that the load is equal in 4 directions, it can be used in any posture.
・ Since the straight guide section has a 4-row circular arc groove, there is no gap and highly stiff guidance can be obtained.
・ Changes in frictional resistance due to load fluctuations are minimized and follow high precision feed.
・ The U-shaped cross-sectional outer rail improves stiffness against moments and twists.

CAD ：

2D / 3D

Days to Ship: 24 Day(s) or more
Actuator KR20

THK

A compact, high stiffness, and highly accurate actuator with an integrated inner block consisting of an LM block and a ball screw nut.
Also, the housing A/B doubles as a support unit, and the inner block doubles as a table.
It has become possible to significantly reduce design and assembly labor-hours.

[Features]
・ Since it is arranged at a contact angle of 45° so that the load is equal in 4 directions, it can be used in any posture.
・ Since the straight guide section has a 4-row circular arc groove, there is no gap and highly stiff guidance can be obtained.
・ Changes in frictional resistance due to load fluctuations are minimized and follow high accurate feed.
・ The U-shaped cross-sectional outer rail improves stiffness against moments and twists.

CAD ：

2D / 3D

Days to Ship: 24 Day(s) or more
Actuator SKR26

THK

A compact, high stiffness, and high precision actuator with an integrated inner block consisting of an LM block and a ball screw nut.
Also, since the housing A/B doubles as a support unit, and the inner block doubles as a table,
it has become possible to significantly reduce design and assembly labor-hours.

[Features]
・ Since it is arranged at a contact angle of 45° so that the load is equal in 4 directions, it can be used in any posture.
・ Since the straight guide section has a 4-row circular arc groove, there is no gap and highly stiff guidance can be obtained.
・ Changes in frictional resistance due to load fluctuations are minimized and follow high precision feed.
・ The U-shaped cross-sectional outer rail improves stiffness against moments and twists.

[Effect of adopting ball retainer]
·Due to the improved grease holding capacity, long-term maintenance-free operation has been achieved. (Lubricator QZ is attached to the ball screw section)
・ Excellent sliding performance can be obtained due to elimination of mutual friction between balls and reduced torque fluctuation.
・ In addition, the basic dynamic load rating of the LM guide and ball thread section is larger than before, so it has a long lifespan.

CAD ：

2D / 3D

Days to Ship: 24 Day(s) or more

Days to Ship:	24 Day(s) or more

Days to Ship:	24 Day(s) or more

Days to Ship:	24 Day(s) or more

Days to Ship:	24 Day(s) or more


Brand
Product Series
CAD
Days to Ship
Nominal (Height)
Accuracy
Lead(mm)
Table
Motor Mounting Orientation
Main Body, Peripheral Components
Cover
With or w/o Motors
Table Length L1(mm)
Grease
Ball Screw Shaft Dia.(Ø)
With or w/o Lubricant Unit
Table Width W1(mm)
Amplifier Voltage
With or w/o Retainer


Brand	THK	THK	THK	THK
Product Series	Compact Series SKR20	Actuator KR15	Actuator KR20	Actuator SKR26
CAD	2D / 3D	2D / 3D	2D / 3D	2D / 3D
Days to Ship	24 Day(s) or more	24 Day(s) or more	24 Day(s) or more	24 Day(s) or more
Nominal (Height)	20	15	20	26
Accuracy	Precision Grade	Precision Grade	Precision Grade	Precision Grade
Lead(mm)	6	1 ～ 2	1 ～ 6	2
Table	Long 1 pc. / Long 2 pcs.	Long 1 pc.	Long 1 pc.	Long 1 pc.
Motor Mounting Orientation	-	-	-	-
Main Body, Peripheral Components	Main Body	Main Body	Main Body	Main Body
Cover	Not Provided / Provided	-	-	Not Provided / Provided
With or w/o Motors	Not Provided (Installed by customers)	Not Provided (Installed by customers)	Not Provided (Installed by customers)	Not Provided (Installed by customers)
Table Length L1(mm)	-	-	-	-
Grease	Standard	Standard	Standard	Standard
Ball Screw Shaft Dia.(Ø)	6	5	6	8
With or w/o Lubricant Unit	Not Provided	Not Provided	Not Provided	Not Provided
Table Width W1(mm)	-	-	-	-
Amplifier Voltage	Not Provided	Not Provided	Not Provided	Not Provided
With or w/o Retainer	Provided	Provided	Provided	Provided