Product Overview
The LIND-WORLD Heavy Duty Hollow Shaft Electric Cylinder combines massive linear thrust with an innovative hollow-bore center design. It allows power cables, laser beams, pneumatic lines, or auxiliary shafts to pass directly through the axis of motion. This design completely eliminates cable twisting, reduces mechanical wear, and saves premium machine footprint-making it the top-tier choice for factory automation, servo pressing, and high-precision multi-axis indexing.
Key Engineering Advantages
Zero-Twist Hollow Bore Architecture
Engineered with a large-diameter center hole (ranging from 20 mm to over 100 mm). This allows power cables, data lines, or pneumatic tubing to route safely inside the actuator, removing the need for complex external cable tracks and dragging chains.
Massive Load & High-Thrust Capacity
Utilizing premium planetary roller screws or heavy-duty ground ball screws, delivering extreme axial thrust from 10 kN up to 500 kN+. It features integrated anti-rotation mechanisms built to withstand brutal torsional impacts.
Micron-Level Deterministic Control
Achieves exceptional repeatability up to +/- 0.01 mm. When paired with standard closed-loop servo motor systems, it enables real-time multi-axis synchronization and programmable multi-stage force and position profiling.
Maintenance-Friendly & All-Weather IP Protection
Equipped with external lubrication ports for direct internal maintenance without machinery disassembly. Comes standard with IP54 sealing, with optional upgrades to IP65 or IP66 for harsh environments filled with cutting fluids, heavy dust, or ambient moisture.
Technical Specifications (Data Matrix)
|
Parameter |
Metric Specification (100% Customizable) |
|
Rated Thrust Range |
10 kN, 20 kN, 50 kN, 100 kN, 200 kN, 300 kN, 500 kN+ |
|
Stroke Length |
100 mm to 2000 mm (Tailored to your specific drawings) |
|
Maximum Linear Speed |
50 mm/s to 500 mm/s (Depending on load and screw pitch) |
|
Repeatability Precision |
Ground Ball Screw: +/- 0.01 mm | Roller Screw: +/- 0.005 mm |
|
Hollow Shaft Internal Diameter (ID) |
Standard sizes: 20 mm, 32 mm, 40 mm, 50 mm, 65 mm, 80 mm, 100 mm+ |
|
Screw Technologies |
Precision Ground C5/C3 Class Ball Screw or Heavy Planetary Roller Screw |
|
Duty Cycle |
Continuous 100% Duty Cycle for Roller Screw configurations |
|
Motor Mounting Geometry |
Direct Inline Drive / Parallel Foldback via Timing Belt or Gearbox |
|
Compliance & Certifications |
Fully compliant with CE, RoHS, and ISO 9001:2015 standards |
|
Ambient Operating Temperature |
-20°C to +60°C (Extended low/high temperature custom greases available) |
Global Interoperability & 4-Step Custom Engineering Flow
Our 4-Step Customization Process:
Application Sizing Inquiry
Share your payload, linear speed, target stroke, and center bore space requirements.
CAD Design Validation
Our engineering department generates comprehensive 2D/3D blueprints for your team's review.
Rigorous In-House QC Testing
Full dynamic load-cell testing, laser interferometer accuracy tracking, and burn-in testing.
Export Readiness
Secure vacuum-sealed industrial packaging with full English OQC test charts and user manuals.
Core Industrial Application Scenarios
Automotive Servo Press-Fitting
High-tonnage precision pressing for EV battery cells, powertrain gearboxes, and chassis components requiring real-time force/displacement tracing.
Advanced Laser & Optical Processing Equipment
Perfect for precision focusing systems where raw material tubes or high-energy laser paths must travel coaxially through the center of the cylinder.
Robotic Multi-Axis Joints & Heavy Indexing Tables
Streamlines cable layouts for heavy-duty gantry robots and continuous rotating indexing tables by passing critical feedback wires through the center core.
FAQ
Q: Can we run high-voltage power cables and liquid cooling lines together through the hollow shaft?
A: Yes. The internal bore is honed smooth to prevent physical abrasion. However, we highly recommend utilizing shielded electrical cables to prevent any electromagnetic interference (EMI) with delicate sensor signals, or consulting our team for an internal multi-channel isolation tube option.
Q: How does the actuator maintain its precision over millions of cycles under full load?
A: We use hardened planetary roller screws and pre-loaded ball screws. These systems distribute the axial load across a much larger surface area compared to standard screws, minimizing localized wear and keeping the repeatability at +/- 0.01 mm for the long term.
Q: What is the typical lead time for a customized hollow shaft cylinder?
A: Standard catalog configurations ship within 2 to 3 weeks. Custom center bore configurations or special high-stroke projects typically require 4 to 6 weeks from final CAD blueprint approval to factory release.
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