CSF-1U-F Miniature Harmonic Drive Gear Unit Flange Output Shaft Input
Miniature harmonic drive gear unit with flange output and shaft input in four compact sizes for high positioning accuracy applications

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Product Overview
The CSF-1U-F gear unit features flange output with shaft input. Available in four sizes from 5 to 14mm with reduction ratios 30 to 100. Peak torque 0.9 to 54 Nm.
The CSF-1U-F provides flange output with shaft input for compact precision motion. Zero backlash S tooth profile. Available in sizes 5, 8, 11, 14mm. Ratios 30, 50, 80, 100. Peak torque 0.9 to 54 Nm. Accuracy plus or minus 1.5 to 4 arc-min.
Key Capabilities
Industrial Grade
Built to industrial standards for reliable operation in demanding automation environments.
High Precision
Precision mechanical components deliver consistent, repeatable performance.
LVH Global Sourcing
Sourced through LVH Systems with full technical support and global procurement capabilities.
Typical Applications
The CSF-1U-F is available through LVH Systems with full technical support and application engineering.
Key Specifications
Critical performance parameters at a glance
Technical Specifications
Overview
Size 5 Performance
Size 14 Performance
Industrial Applications
These precision gear units are used in robotics, automation, indexing, and motion-control systems where compact size, high reduction ratios, and low backlash are important.
Robotic Joint Drives
Used in articulated robots and cobots where compact reduction, repeatability, and torsional stiffness are needed at shoulder, elbow, and wrist axes.
Industrial Automation
Supports servo-driven automation modules, transfer systems, and precision machinery requiring stable motion transmission and high positional repeatability.
Indexing & Positioning
Applied in rotary stages, indexing tables, and positioning assemblies where precise angular motion and stable output characteristics matter.
Precision Equipment
Fits compact motion systems in semiconductor, optical, and laboratory equipment where size, smooth motion, and integration quality are critical.
Mobile Robotics
Used in AGVs, AMRs, and service robots where efficient packaged motion reduction helps simplify drivetrain or auxiliary-axis integration.
Custom Machinery
Integrated into OEM machine builds that need reliable high-ratio motion reduction with predictable performance and a compact footprint.
Factory Modification & Custom Sourcing
This product supports custom configurations and equivalent sourcing
Available Modifications
- •Torque and speed ratio customization
- •Mounting interface modifications
- •Connector and wiring specifications
- •Housing and enclosure options
Sourcing Options
- •Standard product sourcing
- •Equivalent product identification
- •Replacement part sourcing
- •Volume pricing (MOQ may apply)
Request Pricing & Availability
Submit an RFQ for standard products, custom configurations, or equivalent alternatives
Frequently Asked Questions
Technical answers sourced from engineering specifications and integration guides.
The CSF-1U-F has shaft input and flange output. Choose it when the load requires a flange mounting interface rather than a shaft coupling output.
Have a technical question not answered above?
Our application engineers review every RFQ and respond with specification-matched recommendations.