In precision automation, high speed is not always the goal. For delicate assembly, liquid handling, and fragile part orientation, the ability to maintain smooth, consistent rotation at ultra-low speeds is critical. The Low-Speed Rotary Actuator series (CRQ2X / CDRQ2X / MSQX) is specifically engineered to eliminate “stick-slip” motion, providing stable angular travel at speeds where standard actuators would stall or vibrate.
As a specialized B2B manufacturer, Anruk Pneumatic delivers these low-speed rotary actuators as high-performance, cost-effective alternatives to the SMC CRQ2X and MSQX series.
Technical Excellence: Engineering for Slow-Motion Stability
The “X” designation in the CRQ2X and MSQX series represents specialized internal modifications designed for low-speed performance:
1. Low-Friction Sealing Technology
Standard pneumatic seals require a certain amount of pressure and speed to remain lubricated. Our low-speed series utilizes proprietary low-friction seals and specialized grease. This minimizes the difference between static and dynamic friction, ensuring the actuator starts and moves smoothly even at 0.2s/90° or slower.
2. Expanded Rotation Time Range
While standard rotary actuators are optimized for rapid cycles, the CRQ2X/MSQX series is designed for controlled deceleration and slow travel:
- Stable Speed Control: Supports an expanded adjustment range from 0.2 to 5.0 s/90° (model dependent).
- Vibration-Free Operation: Ideal for transporting liquids in open containers or positioning sensitive optical components.
3. High-Rigidity Rack & Pinion Design
The CRQ2X (compact) and MSQX (table type) utilize precision-ground rack-and-pinion gears to convert linear piston motion into rotary torque. This mechanical synchronicity ensures that there is zero “lurching” at the start or end of the stroke.
4. Precision Angle Adjustment & Sensing
- Angle Tuning: Includes an integrated adjustment mechanism allowing for $\pm 5^\circ$ of fine-tuning at each end of the rotation.
- CDRQ2X Magnetic Feedback: The “D” in CDRQ2X signifies built-in magnets for auto-switch compatibility, allowing your PLC to monitor low-speed positions with high repeatability.
Strategic Value for B2B Procurement and OEMs
Partnering with Anruk for your low-speed actuator supply chain provides a clear competitive advantage:
- Direct BOM Cost Optimization: Achieve the same smooth motion performance as “Big Brand” low-speed models while reducing procurement costs by 40% – 60%.
- Seamless Interchangeability: Our CRQ2X and MSQX series match the mounting footprints and shaft dimensions of the SMC equivalents, allowing for a drop-in upgrade to existing machinery.
- Optimized for Specialized Industries: Perfect for medical device manufacturing, semiconductor assembly, and high-end laboratory automation where standard pneumatic motion is too aggressive.
Technical Specifications at a Glance
- Bore Sizes: 10, 15, 20, 30, 40 mm (Compact) / 10, 20, 30, 50 mm (Table).
- Standard Rotation: $90^\circ, 180^\circ$.
- Speed Range: 0.2 to 5.0 s/90° (Smooth motion without stick-slip).
- Operating Pressure: 0.1 ~ 0.7 MPa.
- Shaft Options: Single shaft, double shaft, or high-precision table mount.
- Cushioning: Integrated rubber bumpers or air cushions to minimize end-of-stroke shock.
Smooth Motion, Absolute Control: Partner with Anruk Pneumatic
When your process demands a gentle touch and ultra-stable rotation, Anruk’s low-speed actuators provide the precision your application requires. We provide the manufacturing scale and technical integrity to support your global B2B operations.
