Overview
The LIND Compact Hollow Shaft Electric Cylinder redefines high-performance linear motion for global OEMs. By seamlessly integrating a high-torque hollow-shaft AC servo motor directly with a precision ball or planetary roller screw, we deliver a highly rigid, ultra-compact actuator. It is the definitive choice for automated systems requiring strict space constraints, internal media routing, and exceptional dynamic precision.
Key Features
Hollow Shaft Design for Smart Routing: Features a generous central through-hole allowing electrical wires, pneumatic hoses, laser fiber optics, or liquid lines to pass safely through the center of the actuator.
Ultra-Compact Coaxial Footprint: Motor-integrated inline design removes traditional coupling housing, reducing total length by 20% to 30% compared to standard inline electric cylinders.
Premium Precision & Repeatability: Equipped with ground or rolled precision ball screws ensuring standard repeatability up to +/-0.01 mm (optional +/-0.005 mm with roller screws for extreme loads).
Built-in High-Rigidity Anti-Rotation: Features an internal guide mechanism that prevents the rod from twisting during linear strokes, maintaining high angular precision under high torsional loads.
Technical Specifications
|
Specification Item |
Metric Value |
Imperial Value |
|
Hollow Shaft Inner Diameter |
10 mm to 40 mm |
0.39 inch to 1.57 inch |
|
Nominal Stroke Length |
50 mm to 500 mm (Customizable) |
1.96 inch to 19.68 inch |
|
Max. Rated Thrust |
Up to 20 kN |
Up to 4500 lbf |
|
Max. Linear Speed |
Up to 500 mm/s |
Up to 19.6 in/s |
|
Repeatability |
Standard: +/-0.01 mm / High: +/-0.005 mm |
Standard: +/-0.0004 inch / High: +/-0.0002 inch |
|
Screw Type Options |
Precision Ball Screw / Planetary Roller Screw |
Precision Ball Screw / Planetary Roller Screw |
|
Standard Protection Rating |
IP54 (IP65 / IP67 Available upon request) |
IP54 (IP65 / IP67 Available upon request) |
|
Feedback Encoder Protocols |
Absolute (BiSS-C / EnDat 2.2 / Tamagawa) / Incremental |
Absolute (BiSS-C / EnDat 2.2 / Tamagawa) / Incremental |
Mounting Options & Motor Compatibility
Mechanical Mounting Interfaces
To seamlessly integrate into various machine architectures, LIND supports multiple standard mounting configurations:
- Front/Rear Flange Mount: Ideal for high axial thrust applications.
- Trunnion / Clevis Mount: For multi-axis applications requiring pivoting or angular movement.
- Side/Foot Mount: Suitable for compact, low-profile horizontal setups.
Materials & Core Components Selection
Premium Material Construction:
- Cylinder Body: High-strength anodized aluminum alloy (heavy-duty carbon steel available upon request).
- Piston Rod: Chrome-plated, induction-hardened stainless steel for maximum wear and corrosion resistance.
- Top-Tier Bearings: Equipped with ultra-precision angular contact ball bearings to withstand immense bidirectional axial forces while maintaining zero axial play.
Target Applications & Case Studies
Robotics & 6-Axis Manipulators: Joint drives and end-of-arm tooling where power, signal, and air lines must pass through the actuator pivot safely.
Semiconductor & Electronics Assembly: High-speed, vacuum-assisted pick-and-place matrix where high dynamics and precision are required in extremely tight spaces.
Laser Cutting & Welding Optical Heads: Driving focal positioning units where the fiber optic cable or protective shielding gas paths run directly through the shaft center.
Proven Track Record: LIND hollow shaft cylinders are currently operating in high-end semiconductor sorting lines in Europe, achieving over 10 million cycles with zero unexpected downtime.
Quality Assurance, Packaging & Logistics
100% Full-Load Testing & Interferometer Calibration: Every unit undergoes rigorous 100% full-load dynamic testing. Each cylinder ships with its own serialized factory inspection report, including accuracy curves measured by laser interferometers.
Vibration-Damped Export Packaging: Vacuum-sealed with anti-rust desiccant and secured within custom-cut EVA foam inside heavy-duty, fumigation-free wooden cases (fully complying with ISPM 15 standards).
Global Incoterms Support: We support flexible trading terms including FOB, CIF, DDP, and DAP, with reliable sea, air, and express (DHL/FedEx) logistics tracking.
FAQ
Q: Can the hollow shaft inner diameter be customized for our specific laser or cable bundles?
A: Yes. While we offer standard diameters (10 mm to 40 mm), LIND provides custom-bored hollow shafts tailored to your exact cable dimensions, provided it aligns with the outer frame's structural limits.
Q: What is the typical lead time for custom stroke lengths or special motor feedback options?
A: Standard configurations ship within 2 to 3 weeks. Custom stroke lengths, IP65/IP67 modifications, or specific encoder integrations typically take 4 to 6 weeks from final blueprint approval to factory dispatch.
Q: Does LIND provide wiring diagrams and engineering commissioning support for global customers?
A: Absolutely. Every shipment includes comprehensive English technical manuals, encoder pinout definitions, and drive parameter tuning guides. Our application engineers offer remote technical support within 24 hours.
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