KK130 Linear Module

The KK 130 is the largest and most rigid specification in the KK series (base width 130mm). It seamlessly integrates a ball screw with a U-shaped guide rail onto a unified steel base. The KK130 specification is typically employed in medium-to-heavy load, high-rigidity linear positioning applications, commonly serving as the “X/Y/Z axis” in automated production lines.

Extreme Rigidity
Space Efficiency
Modularity
Accuracy & Load

Precise Structural Analysis

Specifications And Drawings

Item	Specification	Notes
Rail Width	130mm	Integrated U-shaped steel rail
Max. Stroke Length	1680mm	Stroke > 1000mm requires speed reduction (Critical Speed)
Ball Screw Lead	10mm/20mm/25mm	Higher lead = Higher speed, Lower thrust
Repeatability (Accuracy)	Normal (C): ±0.01mm Precision (P): ±0.003mm	Precision grade usually requires a special order
Max. Payload (Horizontal)	Approx. 100kg	Depends on speed and acceleration
Max. Payload (Vertical)	Approx. 32kg	Must use motor with brake
Basic Dynamic Load (C)	38,000N (Guide Rail)	High load capacity for heavy-duty tasks
Max. Speed	Up to 1250mm/s	Valid for short strokes only; check critical speed curve
Motor Flange Compatibility	400W / 750W Servo Motor	Adapter plates available for various brands

Additional Information

KK130 Single-Axis Module: Engineering Logic of High Rigidity and Integration

In the realm of precision automation, the KK130 is not merely a large-scale linear actuator—it represents a standardized solution for heavy-load and high-torque applications. As an engineer who has commissioned countless modules on production lines, I believe it embodies the pinnacle of efficiency in mechanical design through integration.

This article will dissect the KK130’s core competitive advantages from two dimensions: structural mechanics and application value.

Structural Analysis of KK130

The most significant difference between KK130 and traditional aluminum profile modules lies in its core U-shaped steel base rail design. This is not merely an aesthetic distinction but a profound application of material mechanics.

Integrated Rigidity Principle

Traditional modules typically employ a separated design of “aluminum base + independent rails,” whereas the KK130 directly grinds the rail surface onto the U-shaped steel base. This design significantly enhances the sectional moment of inertia.

Bending Resistance: The U-shaped structure physically creates a high-strength box effect, resulting in minimal deformation when subjected to cantilever loads or lateral torques.
Space Efficiency: By integrating the slider with the ball screw nut, it achieves a thrust-to-load ratio unattainable by traditional composite structures within a 130mm width.

This structural “subtraction” actually results in a “subtraction” in performance.

Engineer’s Perspective: How KK130 Optimizes Your Design

During selection, you may face dual challenges of space constraints and precision maintenance. The KK130 exists to fundamentally reduce complexity during system integration.

Determinism and Fault Tolerance

When importing the KK130 into your CAD model, you gain more than just a moving component—you gain a reference plane requiring no secondary calibration.

Reduced Assembly Errors: With the rail and base molded as a single unit, you eliminate concerns about parallelism errors accumulating during assembly.
Thermal Stability: During high-frequency reciprocating motion, the steel body exhibits a more stable thermal expansion coefficient compared to aluminum alloy. This ensures it faithfully executes your positioning commands even after prolonged operation.

For engineers prioritizing long-term equipment stability, this “maintenance-free” characteristic is highly appealing.

Comprehensive Evaluation

Key Metric	Engineering Feature	Value to You
Structural Form	Integrated U-shaped Steel Rail	Significantly increases moment stiffness; reduces the need for external reinforcement.
Precision Grade	Ground / Rolled Options	Flexibly adapts to your specific cost and performance requirements.
Load Type	High Moment & Heavy Load	Provides solid support even in cantilever applications without secondary guides.

Conclusion

The KK130 epitomizes industrial minimalism. It eliminates all unnecessary components, retaining only the most robust frame and the most precise transmission. Should you require custom manufacturing solutions for this series, please contact DELE. We are confident we can provide manufacturing services that will fully meet your expectations!

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FAQ

What is the recommended maintenance schedule for the KK130?

Lubrication is crucial for the KK130 due to its heavy load application. 1. Interval: Replenish grease every 100km of travel distance or every 3 to 6 months, whichever comes first. 2. Lubricant: Use Lithium Soap Base grease (NLGI No.2). Do not use oil, as it cannot maintain the oil film under heavy pressure. 3. Tip: Ensure the grease nipple on the slider block is accessible in your machine design.

Why is the maximum speed lower for long-stroke KK130 modules?

This is limited by the Critical Speed (Whirling) of the ball screw. 1. When the stroke exceeds 1000mm, the unsupported length of the screw shaft causes it to sag slightly. High RPM will cause the screw to resonate or "whip." 2. Action: Always refer to the "Stroke vs. Speed Limit Curve" in the catalog. Do not exceed the rated speed for specific stroke lengths.

Can I use the KK130 for a vertical Z-axis application?

Yes, the KK130 is excellent for Z-axis use because of its rigidity.

How flat does the mounting surface need to be?

The KK130 is extremely rigid, making it sensitive to mounting surface errors. 1. Requirement: The flatness of the mounting base should be within 0.05mm per 500mm. 2. Risk: Mounting on an uneven surface and force-tightening the bolts will twist the U-rail, causing high friction, noise, and premature failure. Use shims if the surface is not perfectly flat.