The CUJB Series Mini Free Mount Cylinder is designed for compact automation equipment where every millimeter of installation space matters. Its miniature body and multi-faceted mounting design allow easy integration into precision machinery without requiring additional mounting brackets.
Available in double-acting and single-acting spring return versions, the CUJB Series delivers smooth and reliable linear motion for light-duty positioning, gripping, and transfer applications. Its maintenance-free, non-lubricated design ensures dependable performance while reducing servicing requirements in continuous production environments.
The CUJB Series Mini Free Mount Cylinder is an ultra-compact pneumatic actuator developed for precision equipment with extremely limited installation space. Its lightweight body and through-hole mounting design enable quick installation from multiple directions, giving machine designers greater flexibility when integrating pneumatic motion into compact assemblies. Despite its miniature dimensions, the cylinder delivers stable actuation and reliable repeatability for a wide range of automated applications.
Designed for light-load motion control, the CUJB Series is available in both double-acting and single-acting spring return configurations. Its simple internal structure minimizes maintenance requirements while ensuring consistent operation during continuous production cycles. The cylinder is also compatible with magnetic switch versions, making position detection easier for automated control systems.
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● Ultra-compact and lightweight construction
● Free multi-faceted and through-hole mounting
● Double-acting and single-acting spring return models
● Easy integration into compact equipment
● Suitable for magnetic switch installation
● Stable linear motion with high repeatability
● Maintenance-free non-lube design
● Compact M3 pneumatic connection
● Ideal for miniature automation applications
● Reliable performance for continuous operation
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The CUJB Series is specifically engineered for miniature automation systems where standard compact cylinders are too large. Its small footprint allows installation inside electronic devices, laboratory equipment, and precision assembly machines while maintaining sufficient output force for light-duty actuation.
The free mounting structure eliminates the need for additional brackets, simplifying mechanical design and reducing assembly time. Optional magnetic switch compatibility also enables accurate stroke monitoring, making the cylinder suitable for automated processes requiring position feedback.
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| Parameter | Specification |
| Bore Size | 4, 6, 8, 10 mm |
| Working Medium | Air |
| Action | Double Acting / Single Acting (Spring Return) |
| Maximum Operating Pressure | 0.7 MPa |
| Minimum Operating Pressure | 0.1–0.35 MPa (depending on model) |
| Ambient Temperature | -10°C to 60°C (with magnetic switch), -10°C to 70°C (without magnetic switch) |
| Cushion | None |
| Piston Speed | 50–500 mm/s |
| Stroke Tolerance | +0.5 mm |
| Installation | Through-hole, free multi-faceted mounting |
| Lubrication | Non-lube |
| Port Size | M3×0.5 |
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● Precision electronic assembly equipment
● Medical and laboratory instruments
● Miniature pick-and-place systems
● Small component positioning devices
● Compact gripping mechanisms
● Semiconductor manufacturing equipment
● Automated testing equipment
● Optical inspection systems
● Lightweight transfer units
● Space-constrained industrial machinery
With its miniature dimensions, flexible installation options, and dependable pneumatic performance, the CUJB Series Mini Free Mount Cylinder is an excellent solution for compact automation systems requiring precise and efficient linear motion.
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