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Compact Series KSF
With motor Without motor

Compact Series KSF

With motor

Without motor

Features

1. Increased Rated Output of the Applicable Motors

Ball screw shaft size was enlarged with the same compact outer rail unit. Shaft end was also enlarged which allows the use of larger size motors compared to THK actuators of the same size.
This allows high-speed, high-acceleration/deceleration operation which improves process time.

2. High speed & high acceleration/deceleration

Larger lead of the ball screw has achieved the maximum speed of 2,500 mm/s. (×For KSF10, lead 50)
Using a larger rated output motor allows for the high-acceleration/deceleration conveyance. (Up to 2 G)

3. Long service life

The long life of 20,000 km running life (10,000 km running life for KSF4 and KSF5 lead 10 mm) was made possible at the maximum load capacity by increasing the basic dynamic load rating of the LM guide unit and the ball screw unit.

4. Long stroke

The larger ball screw shaft diameter has achieved long stroke operations while keeping the product compact.

5. Long-term maintenance-free operation

Lubricator QZ, which supplies the right amount of lubricant, adopted as the standard feature allows for long-term maintenance-free operations.

6. Fully enclosed design

Strip seal and top of side cover are magnetically sealed which provides a fully enclosed structure. It prevents failure by foreign matters getting inside.
By avoiding sliding with the top surface of the strip seals, there is low particle generations.

Magnetic attraction method
The magnet built in the side cover attracts the strip seal and prevents it from lifting, reducing the development of clearance.

7. Versatile lineup

KSF10 has been added to the lineup for a total of 5 models. Open cover and top cover specifications have recently been added for even easier maintenance and mounting.
Furthermore, motor wrap type for compact length and back-tapped type that can be mounted without removing the cover have been added, allowing selection to suit the application.
Moreover, motors from various manufacturers can be mounted, allowing users to operate with familiarized control methods.

8. Compact & Lightweight

When compared with other THK actuators using motors of the same rated output, KSF4 is approximately 45% more compact and 11% lighter in weight than VLAST60 models, while KSF8 is approximately 67% more compact and 37% lighter in weight than USW16T models.
*KSF4: When the stroke is 700 mm
*KSF8: When the stroke is 1,500 mm

Product Lineup

Model Number Coding

*If download fails, right-click on the "2D-CAD(DXF)" button and select "Save target as".

Direct motor coupling and wrap	Model number	Motor	Brake	2D-CAD ( DXF )
Direct motor coupling and wrap	Model number	Motor	Brake	Fully Enclosed Type	Top Cover Type	Open Cover Type
Direct coupling	KSF4/4U	Not included	－	－	－	－
		Included	Not included		－
		Included	Included		－
	KSF5/5T/5U	Not included	－
		Included	Not included
		Included	Included
	KSF6/6T/6U	Not included	－	－	－	－
		Included	Not included
		Included	Included
	KSF8/8T/8U	Not included	－
		Included	Not included
		Included	Included
	KSF10/10T/10U	Not included	－	－
		Included	Not included
		Included	Included

Direct motor coupling and wrap	Model number	Motor	Brake	2D-CAD ( DXF )
Direct motor coupling and wrap	Model number	Motor	Brake	Fully Enclosed Type	Top Cover Type	Open Cover Type
Wrap	KSF4R/4RU	Not included	－		－
		Included	Not included		－
		Included	Included		－
	KSF5R/5RT/5RU	Not included	－		－
		Included	Not included
		Included	Included
	KSF6R/6RT/6RU	Not included	－		－
		Included	Not included
		Included	Included
	KSF8R/8RT/8RU	Not included	－		－
		Included	Not included
		Included	Included
	KSF10R/10RT/10RU	Not included	－	－	－
		Included	Not included	－
		Included	Included	－