KK Series Linear Actuators: A Compact and High-Precision Motion Solution

The KK series linear actuator, commonly implemented as an industrial robot axis, is an electrically driven automation component engineered for precise linear movement. Its core architecture integrates a ball screw mechanism within a U-shaped linear guide, unifying the nut and guide block into a single, compact assembly. This synergistic design merges the smooth, guided motion of the rail with the high-efficiency power transmission of the precision ball screw. The optimized U-shaped guide profile not only delivers significant space savings but also drastically reduces assembly time, consistently meeting demanding requirements for high accuracy and rigidity.

The module's rolling elements run on a raceway with a Gothic arch profile and a 45-degree contact angle. This configuration enables it to effectively manage loads from all four primary directions, making it suitable for multi-dimensional coordinated motion across X, Y, and Z axes.

I. Key Product Advantages

Streamlined Integration: A rational and thoughtful design ensures a simple and rapid installation process.

Space-Efficient & Lightweight: Its compact footprint allows for easy integration into existing machinery, reducing overall system weight and volume.

Superior Performance: High operational accuracy and exceptional rigidity guarantee consistent stability and repeatability in automated processes.

Comprehensive Offerings: We provide an extensive selection of compatible accessories and supporting components.

Adaptive Design: Engineered to fulfill a diverse range of industrial application requirements.

II. Model Selection Guide

1. Analyze Application Parameters:

Stroke: Determine the required travel distance.

Spatial Limitations: Account for length, width, and height constraints in the mounting environment.

Mounting Orientation: Supports horizontal, vertical, and side-mounted configurations.

Load Characteristics: Define the load's weight and center of gravity.

Motion Profile: Specify lead, maximum speed, acceleration/deceleration times, and duty cycle.

Operating Environment: Consider factors like temperature extremes, vibration, humidity, or corrosive conditions.

2. Define Precision Specifications:

Positioning Accuracy: The accuracy of reaching a commanded position.

Repeatability: The consistency of returning to the same position over multiple cycles.

Running Parallelism: The straightness and parallelism of the travel path.

3. Determine System Configuration:

Single-Axis: For linear motion in one direction.

Multi-Axis: Multiple units can be synchronized and interlocked for complex planar or spatial trajectories.

Custom Builds: Modular design allows for tailored solutions to meet unique application needs.

4. Select Drive Motor:

Type: Compatible with AC servo motors or stepper motors.

Braking: Option for motors with integral or external holding brakes.

5. Size the Motor Capacity:

Speed: Ensure the motor can achieve the system's maximum required speed.

Resolution: Select motor and drive resolution to meet positioning control demands.

Torque: Verify the motor provides sufficient torque for the application's inertial and frictional loads.

 

6. Review Operational Dynamics:

Dynamic Response: Evaluate performance during acceleration and deceleration phases.

Motion Curve: Develop a Velocity-Time (V-T) diagram to analyze the movement profile.

7. Choose Optional Accessories:

Limit Switches: For defining travel endpoints and ensuring operational safety.

Mounting Adapters: Brackets and plates for seamless integration with machinery.

Protective Covers: Bellows-style covers and cable carriers to shield critical components from debris.

8. Finalize the Solution:

Requirement Review: Re-confirm all application conditions against the selected model's specifications.

Commercial Terms: Discuss pricing, availability, and lead times.

Customization: Inquire about special processing or custom features.

III. Typical Application Areas

Widely employed in automated inspection systems, precision dispensing machinery, PCB assembly lines, industrial robot arms, die bonders, flip-chip machines, and automated drilling centers. Furthermore, these actuators can be flexibly combined into X-Y motion platforms to suit a vast array of industrial automation scenarios.