The PLI Precision Planetary Roller Screw is designed for demanding motion systems requiring exceptional rigidity, accuracy, and durability. Manufactured from alloy forged steel and enhanced through advanced heat treatment processes, PLI delivers superior mechanical strength and extended service life.

Combining precision gear grinding craftsmanship with an optimized threaded roller contact structure, this design ensures stable, high-accuracy linear motion under heavy loads.

Premium Material & Manufacturing

• Alloy forged steel construction

• Advanced heat treatment for durability

• High-precision gear grinding process

• High-strength roller bearings

Ensures long-term reliability in continuous industrial operation.

High Rigidity & Precision Performance

• Latest helical gear design for smooth transmission

• Non-circular threaded roller contact line

• Minimal backlash and stable positioning accuracy

Provides high stiffness and precise motion control under dynamic loads.

Compact & Integrated Design

• Threaded rollers compacted for space-saving structure

• One-piece nut assembly

• Solid rolling body and integrated components

Simplifies installation and reduces maintenance complexity.

Heavy-Load & Harsh Environment Capability

• Designed for high-load applications

• Resistant to demanding industrial environments

• Extended operational lifespan

For high-precision automation systems, aerospace mechanisms, and heavy-duty machinery, PLI planetary roller screws provide a reliable alternative to traditional ball screws—offering greater rigidity, higher load capacity, and longer service life.

Contact us for detailed specifications and configuration support.