The SMC CJ1 Round Type Air Cylinder is a compact and lightweight pneumatic actuator designed for precision movement in automation systems. Part of SMC’s trusted standard air cylinder series, the CJ1 model is engineered for applications where space is limited but reliable linear motion is required. Its round-body construction provides excellent strength, durability, and smooth performance, making it suitable for light-duty to medium-duty control tasks in various industries.
The CJ1 cylinder is available in multiple bore sizes such as Φ4, Φ6, Φ10, and Φ16 mm, offering flexibility based on load and stroke requirements. The design features a high-quality aluminum body, stainless steel piston rod, and precision sealing, ensuring long service life and consistent operation. The cylinder also supports single-acting (spring return/extend) and double-acting configurations, making it suitable for diverse motion control applications.
One of the key benefits of the SMC CJ1 Air Cylinder is its compact structure, which allows easy installation in confined spaces, robotics arms, pick-and-place units, inspection equipment, and compact machinery. Optional features such as auto-switch mounting, adjustable stroke options, and various rod-end accessories further enhance its adaptability to customized automation setups.
The CJ1 series is designed to deliver low friction, stable movement, and high repeatability, ensuring precision and accuracy in tasks requiring controlled motion. Its corrosion-resistant materials and robust seals also make it suitable for cleanrooms, packaging systems, laboratory equipment, and electronics manufacturing environments.
Known for quality and engineering excellence, SMC’s CJ1 Round Type Air Cylinder offers a reliable and efficient solution for pneumatic motion control. With its smooth operation, long lifespan, and compatibility with automation accessories, it remains one of the most preferred choices in compact pneumatic cylinder applications.