Compact and high rigidity! / Electric actuator "SKR 55/65"

basic information

▼ What can be done with "SKR". 【Processing and Assembly】 ○ Compact and high precision, making it ideal for desktop processing machines. ○ Compact and high rigidity, achieving space-saving even with a 3-axis setup. ○ Equipped with ball retainers that minimize rolling resistance even in vertical use, ensuring smooth operation and precision. 【Inspection】 ○ High rigidity and long lifespan, making it perfect for various durability testing machines. ○ High precision allows for compatibility with inspections that require accuracy. ○ SKR can withstand strong tensile forces, making it suitable for devices that measure adhesive strength. ○ By combining SKR with R guides, high-precision inspections can be performed from all directions. ○ Smooth operation improves various scanning accuracies. 【Transport】 ○ By replacing traditional rack and pinion drives, it enables compact and high-tactile operation. ○ Adopting ball retainers allows for smooth transport even when using liquids and other materials. ▼ Product specifications and dimensions can be viewed in the "catalog."

Price range

Delivery Time

Applications/Examples of results

Optimal for high-precision positioning! 【Processing / Assembly】 Dispenser / Film bonding device / Desktop processing machine / Welding machine / Engraving device / Hole processing machine 【Inspection】 Durability testing device / Flooring surface roughness measurement device / Image recognition device / Continuity testing device / Printed circuit board continuity testing device / Cell inspection device / Luminance measuring instrument / Tensile testing machine / Flatness measuring instrument / X-ray inspection device / Substrate appearance inspection device 【Transport】 Inter-process transport device / Liquid injection machine / Cardboard raw paper centering device / Pick & place

Detailed information

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  Structure of SKR55/65 The SKR55/65 is a compact, high-rigidity, and high-precision actuator that places an inner block, which incorporates a ball screw nut into an LM block, inside an outer rail with a high-rigidity U-shaped cross-section. Additionally, since the housing A/B serves as a support unit and the inner block also functions as a table, it significantly reduces design and assembly man-hours, enabling a total cost reduction.

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  Feature 1: High Speed By increasing the variations of ball screw leads, it is now possible to select a large lead as a standard option, which was not achievable with the previous KR55/65. In addition to the increased allowable rotational speed due to the retainer effect of the ball screw, selecting a large lead enables even faster operation.

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  Feature 2: Four-directional equal load The ball rows are arranged at a contact angle of 45° to ensure that they have the same rated load against loads acting in four directions (radial, reverse radial, and lateral) on the inner block, allowing for use in any orientation.

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  Feature 3: High Precision The linear guideway, designed with a four-row circular arc groove that moves lightly even under preload, provides a gapless and highly rigid guidance. Additionally, changes in friction resistance due to load variations are minimized, allowing for high-precision feeding to be followed accurately.

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  Feature 4: High Rigidity By adopting an U-shaped cross-section for the outer rail, high rigidity has been achieved.

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  Feature 5: Retainer Effect The SKR improves grease retention capability due to the effect of the ball retainer, achieving long-term maintenance-free operation. Additionally, the basic dynamic load ratings of the LM guide and ball screw sections have increased compared to conventional models, resulting in a longer lifespan. [Low Noise & Good Sound Quality] By adopting ball retainers in the LM guide and ball screw sections, the collision noise between the balls has been eliminated. This has resulted in low noise and good sound quality.

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  Feature 6: Compatible Mounting Dimensions with KR55 and KR65* Since the mounting dimensions are designed to be the same as those of KR55/65, it is easy to replace from the conventional KR. *Some dimensions may differ.

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  Type 【A Type (Long Type Block 1 Unit)】 This is the representative model number of SKR. 【B Type (Long Type Block 2 Units)】 This type comes with 2 inner blocks of A Type, achieving high rigidity and high load capacity.

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  Rich size variations With the addition of larger sizes, the range of size variations has increased, allowing for the transport of even larger items.

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