CKK-145-NN-1 Rexroth

Product Dimensions：

The CKK-145-NN-1 linear module combines a ball rail system and a ball screw assembly into a compact drive unit. Constructed with an optimized aluminum profile frame, it acts as a load-bearing structure while maintaining high torsional stiffness. The module includes one or two precision steel carriages running on integrated ball guide rails, ensuring high load capacity and smooth travel. Driven by a precision-rolled ball screw, it converts rotary motion into precise linear displacement. The open structure design allows for flexible mounting options, while internal sealing strips protect the drive components from debris, dust, and particulate contamination.

Product Parameters

• Profile Width: 145 mm aluminum frame base design.

• Drive Mechanism: Precision ball screw drive mechanism for converting rotational force into linear motion.

• Guidance System: Integrated high-capacity ball rail guide system.

• Stroke Length: Configurable variable stroke lengths tailored to specific application distance requirements.

• Repeatability: High positioning accuracy with repeatability down to millimeter fractions depending on screw pitch selection.

• Maximum Speed: High velocity capability up to several meters per second governed by lead pitch and overall length.

• Load Capacities: High dynamic and static load ratings across vertical, horizontal, and moment load axes.

• Ambient Operating Temperature: Operating temperature range from 0°C to 50°C (32°F to 122°F).

• Frame Material: High-strength anodized aluminum extrusion.

• Protection Class: Standard protective strip cover designed to reduce ingress of airborne particles and operational debris.

Product Advantages

A major advantage of the Rexroth CKK-145-NN-1 is its compact power density, offering high load-carrying capacity and moment resistance within a small installation footprint.

The integrated precision ball screw provides exceptionally smooth motion and high positioning accuracy, making it well-suited for repetitive automation tasks.

Its high rigidity and structural stability minimize deflection during rapid acceleration and high-speed motion cycles.

Modular design characteristics simplify mounting, allowing straightforward integration with various motor adapters, gearboxes, and multi-axis assembly configurations.

Additionally, low-maintenance lubrication access points help extend service intervals, reducing machine downtime and overall maintenance costs.

Important Considerations and Precautions

Proper alignment during installation is critical to prevent mechanical stress, premature wear, or binding on the guide rails and ball screw assembly.

The maximum specified payload, stroke limits, drive torque, and moment load ratings must never be exceeded to avoid structural damage or loss of accuracy.

Regular lubrication of both the ball screw nut and the guide carriages using approved Bosch Rexroth greases is necessary to maintain smooth operation and service life.

Operating environments containing heavy moisture, corrosive chemicals, or excessive abrasive dust require secondary protective covers or air purging to protect internal components.

Emergency stop bumpers or limit switches must be installed at the end-of-stroke positions to prevent the carriage from colliding with the end blocks during velocity overshoots.

Product Applications

The Rexroth CKK-145-NN-1 linear module is widely deployed across automated manufacturing and precision positioning industries.

• Pick and Place Systems: High-speed handling, transfer, and sorting of workpieces in automated packaging and assembly lines.

• Multi-Axis Cartesian Robots: Serving as primary X, Y, or Z motion axes in multi-axis gantry robots and material handling systems.

• Semiconductor and Electronics Manufacturing: Precise positioning of components, circuit boards, display panels, and inspection cameras.

• Dispensing and Laser Processing: Guiding liquid dispensers, gluing heads, or laser engraving equipment along precise path profiles.

• Automated Inspection and Testing: Transporting measurement probes, sensors, and optical cameras across quality control stations.

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