CJ2D16-30Z: SMC Standard Cylinder, the Reliable Actuation Expert for Industrial Automation

Introduction

The CJ2D16-30Z is a standard cylinder manufactured by Japan’s SMC Corporation, belonging to the CJ2 series. Featuring a single-rod, double-acting structure, this cylinder offers a compact design, high reliability, and convenient installation. It is widely used in industrial automation control systems, providing a reliable linear drive solution for various equipment.

Core Product Advantages

1. High Reliability Design Utilizes high-quality materials and precision machining processes, enhancing the wear resistance of the rod cover and U-shaped bearing. This significantly extends the cylinder’s service life, ensuring stability and reliability during long-term continuous operation.
2. Convenient Installation Adopts a double clevis mounting style, allowing tools to be directly applied to the cover during installation, greatly reducing installation time and improving work efficiency. Additionally, the optimized design of mounting brackets ensures stable cylinder operation under various mounting conditions.
3. High-Speed Driving Capability Depending on the operating speed requirements, either rubber bumpers or air cushions can be selected to support high-speed driving. Rubber bumpers support piston speeds of 50~750 mm/s, while air cushions support speeds of 50~1000 mm/s, meeting the needs of different application scenarios.

Technical Specifications

Parameter Item	Specification	Description
Series​	CJ2 Series	Product Series
Bore Size​	16mm	Cylinder Inner Diameter
Cylinder Stroke​	30mm	Piston Stroke
Action Type​	Double-Acting Single Rod	Bidirectional Drive
Operating Pressure Range​	0.06~0.7 MPa	Working Pressure Range
Maximum Operating Pressure​	0.7 MPa	Max. Working Pressure
Proof Pressure​	1.0 MPa	Pressure Resistance
Operating Fluid​	Air	Working Medium
Ambient Temperature​	-10~70 °C	Operating Temperature Range
Piston Speed Range​	50~750 mm/s	Speed Adjustment Range
Port Size​	M5×0.8	Pneumatic Port
Lubrication Method​	Non-Lubricated	Lubrication Type
Cushioning Method​	Rubber Bumper	Cushioning Form
Mounting Style​	Double Clevis	Mounting Form
Stroke Length Tolerance​	+1.00mm	Positioning Accuracy
Allowable Kinetic Energy​	0.035J	Energy Absorption Capacity

Model Breakdown

• CJ2:​ SMC Standard Cylinder Series Code
• D:​ Built-in Magnetic Reed (Magnetic Switch can be installed)
• 16:​ Bore Size 16mm
• 30:​ Cylinder Stroke 30mm
• Z:​ With Cushion Device

Working Principle

The CJ2D16-30Z employs a double-acting cylinder structure. When compressed air enters the rodless chamber, air pressure pushes the piston to extend. When compressed air enters the rodded chamber, it pushes the piston to retract. The reciprocating motion of the cylinder is achieved by controlling the direction of compressed air intake and exhaust via a solenoid valve. The cushioning device absorbs impact energy through bumpers as the piston nears the end of its stroke, decelerating and eventually stopping the piston to avoid or reduce impact against the cylinder heads.

Workflow:

1. Compressed air is directed into the cylinder via a solenoid valve.
2. Air pressure pushes the piston rod to extend or retract.
3. The piston rod drives the actuator to perform linear motion.
4. Smooth stopping is achieved via the cushioning device.
5. Position signals are detected by magnetic switches and fed back to the control system.

Typical Application Scenarios

1. Industrial Automation Production Lines Used in automated production lines (e.g., automotive manufacturing, electronics) for pushing, positioning, clamping, and handling of workpieces, improving production efficiency and product quality. Its compact structural design is particularly suitable for automated equipment applications with space constraints.
2. Packaging Machinery Controls actions like material conveying, sorting, and marking in packaging machines. The cylinder enables flexible gripping and positioning of different materials, ensuring precision and stability in the production process.
3. Robotics Serves as a robot’s end-effector, working in conjunction with the robotic arm to achieve workpiece gripping, positioning, and placing. Precise pressure control enables flexible gripping and anti-collision functionality.
4. Precision Manufacturing Equipment Used in equipment for semiconductor manufacturing, precision machining, etc., to control the action precision of pneumatic actuators, ensuring process stability and repeatability, thereby improving product quality.

Installation and Usage Precautions

1. Installation Requirements The cylinder should be installed on a flat, stable base to ensure stable operation. Before installation, check that the air supply pressure meets the 0.06~0.7 MPa requirement and ensure the air source is clean. During installation, ensure the piston rod does not bear eccentric or lateral loads. The direction of load movement should align with the piston rod axis.
2. Operating Environment The operating temperature range is -10~70°C. Avoid use in extremely high or low-temperature environments. Maintain relative humidity within an appropriate range to prevent moisture from affecting equipment lifespan. The operating medium should be filtered through a 40μm or finer filter before use.
3. Piping Connection Before piping, thoroughly blow or clean out cutting powder, cutting oil, dust, etc., inside the pipes. When pipes and fittings are thread-connected, prevent chips from pipe threads and fragments of sealing tape from entering the piping. When using sealing tape, leave 1.5-2 thread pitches uncovered at the end of the thread.
4. Speed Adjustment Adjust the extension and retraction speed of the piston rod via the throttle valves at the cylinder ports (or external speed control valves) to achieve smooth motion. It is recommended to operate within the suggested speed range (50~750mm/s).
5. Regular Maintenance Periodically inspect the cylinder’s connected piping and valves to ensure no leaks. Regularly clean the cylinder surface. Periodically check the cylinder’s operational performance to ensure long-term stable operation. When restarting after prolonged shutdown, perform an air purge operation first.
6. Safe Operation Ensure the equipment is properly grounded before operation to prevent electric shock. Avoid contact with moving parts during operation to prevent injuries. In case of equipment malfunction, stop immediately and have it repaired by qualified personnel. Depressurize before installation to avoid injury from high-pressure media discharge. Strictly avoid exceeding the product’s rated pressure, temperature, and medium specifications.

Conclusion Summary

The CJ2D16-30Z standard cylinder is the “reliable actuation expert” in the field of industrial automation. It perfectly combines high reliability, convenient installation, and high-speed driving capability, providing an efficient, reliable, and precise linear drive solution for various industrial applications.

Choosing CJ2D16-30Z means choosing to drive your automation system towards higher efficiency with high reliability and stability!

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