ROBO Cylinder® Electric Actuators - IAI America (2025)

The Next Generation
ROBO Cylinder®

Advantages of Products Equipped
with Battery-less Absolute Encoder.

Customers can choose from an abundant lineup of 92 models that best suits their needs.

Loading Repeatability is ±0.5%

RCS3 Servo Press Compatible
ROBO Cylinder® with Load Cell

The high-precision position control enables easy adjustment of the push force and the position control, which is typically difficult for oil-hydraulic equipment.

NEW VERSION! *Updated*

ROBO Cylinder® with Battery-less Absolute Encoder as Standard Equipment
New Additions to the Series: Side-mounted Motor and Belt Types

The Electromechanical Alternative to Pneumatic Cylinders

The ROBO Cylinder® electric actuator is a flexible, intelligent, and economical, ballscrew linear actuator from Intelligent Actuator. The ROBO Cylinder ® offers:

• Multiple Positioning
• ±.02mm Repeatability
• Programmable Velocity Control
• Programmable Acceleration & Deceleration
• Programmable Torque Control (Push Function)
• 50mm to 1000mm Stroke Lengths
• 1mm/s to 1000mm/s Speed (Depends on Model)
• Serial I/O for linking up to 16 axes
• Long life expectancy (5,000km)
• Low Power Consumption (Compared to Air Cylinder Compressors)
• A One-Year Warranty
• Prices start as low as $560

Economical and easy to use, the ROBO Cylinder® is specifically designed to accomplish the simple tasks usually assigned to air cylinders, but with greater flexibility and control.

Offering custom control over position, speed, acceleration, deceleration, and torque, allowing for mid-move velocity changes, and control from a PLC, the ROBO Cylinder® is a versatile and easy-to-use alternative to pneumatic cylinders.

ROBO Cylinders are available in a wide variety of configurations to suit the requirements of your specific application. The main variations are found in the basic body construction and the type of motor employed.

Use our Electric Actuator Sizing and Selection Tool to quickly compare and select actuators suited to your requirements.

The new and improved & ERC3, ERC2 electric actuators utilize a hybrid stepper motor ideal for low-speed, high-thrust applications. For constant thrust across a wider range of speed, RCS3, RCS2 electric actuators, which employ AC servo motors, are ideal. Both the RCP4 and RCS3 series of linear positioning actuators are available in an extensive array of rod, slider, and flat type configurations, accommodating a wide variety of application requirements.

The RCP4 and RCS3 actuators have different characteristics. The RCP4 actuators have higher payload capabilities at lower velocities. As the payload increases the RCP4 actuator will start decreasing in velocity according to its pulse motor torque curve. The RCS3 actuators will maintain a constant velocity throughout it's payload rating. Once the payload rating has been exceeded the AC servo motor will cause the controller to fault out.

Depending on ballscrew lead, all ROBO Cylinder® actuators are available in high-, medium- and low-speed models. The Slider type is capable of speeds up to 1000mm per second, and the Rod type up to 800mm per second.

ROBO Cylinders are typically used in single axis applications for simple point to point positioning. They may also be integrated into multiple axis Cartesian positioning systems from Intelligent Actuator.

IAI offers a vast line of energy efficient ROBO Cylinder® Electric Actuators, SCARA, Linear Actuators, Cartesian robots, Table-Top robots and Controllers that cover all the necessary links in order to operate seamlessly with your vision from software to robots.

You may also download your own copy of the IAI Product Overview Brochure.

Must Watch Videos

Pneumatic cylinder vs. ROBO Cylinder®:
The video that demonstrates significant cost savings and asks "Why would you use an air cylinder again?"

ROBO Cylinders typically last 10 times longer than similar air cylinders. Why stop there?
Here are 7 more benefits that you can't afford to miss.

1. Space-saving
Systems that could only use air cylinders due to sizing constraints can now use Mini ROBO Cylinders to improve performance.

2. Shaped and handled easily like air cylinders
Users who are comfortable with using air cylinder can switch to Mini ROBO Cylinders effortlessly.

3. Wide variations
Variations include slider type, rod type, table top and linear servo type.

Cost Saving Studies

• Comparison Study of ROBO Cylinder and Air Cylinder Electricity Costs
• Cost Savings Study of Automobile Applications
• Cost Savings Study of Electronic Parts Applications
• Cost Savings Study of Food Applications
• Cost Savings Study of Cosmetics Applications

ROBO Cylinder® Product Series

1. A wide range of various models in accordance with slider types, rod types, belt drive types, gripper types and rotary types.
2. Strong pressing force taking advantage of the characteristics of the pulse motor.
3. Controllers for various control systems. Run positioner, pulse train input, serial communication, air cylinder compatible, program operation, etc.
4. Complex movements are easy to program. Multi-point positioning of up to 512 points.

Slider Type Electric Actuators

Rod / Grippers / Rotary Type

Cleanroom Slide Type

1. Lower cost, Easier maintenance
2. Isolate motor for easy replacement

Mini Slider Types

Coupled motor, 22mm width	Coupled Motor, 28mm width	Side-Mounted Motor, 22mm width	Side-Mounted Motor, 28mm width

Slider Types

1. 1.5 times high speed and double the payload when combined with a Power CON 150.
2. Three slider types and two rod types to choose from.
3. The rod type with built-in guide can carry radial loads up to 500mm.
4. Easy motor replacement with removal of only one setscrew.

Learn more about the RCP4 and PCON-CA.

1. The same actuator mounting brackets used on air cylinders, such as foot, trunnion and clevis brackets, are available as options.
2. Select a desired motor installation method from three types; coupling, built-in (direct coupling) and reversing.
3. An optional sensor is available for checking if home return has completed without fail.

Learn more about the RCA Series Electric Actuator.

1. Excellent for high-speed operations with low noise.
2. Easy maintenance, lower price.
3. Isolated 24V servo motor for easy replacement.

Slider Type, Coupled	Slider Type, Side-mounted motor	Mini Rod Type, Nut-mounting	Mini Rod Type, Tapped-hole mounting
RCA2-SA3C 32mm width RCA2-SA4C 40mm width RCA2-SA5C 50mm width RCA2-SA6C 60mm width	RCA2-SA3R 32mm width RCA2-SA4R 40mm width RCA2-SA5R 50mm width RCA2-SA6R 60mm width	RCA2-RN3NA 28mm width RCA2-RN4NA 34mm width	RCA2-RP3NA 28mm width RCA2-RP4NA 34mm width
Mini Rod Type, Single Guide	Mini Rod Type, Double Guide	Mini Rod Type, Slide unit with Double Guide	Mini Table Type, Compact
RCA2-GS3NA 28mm width RCA2-GS4NA 34mm width	RCA2-GD3NA 28mm width RCA2-GD4NA 34mm width	RCA2-SD3NA 60mm width RCA2-SD4NA 72mm width	RCA2-TCA3NA 32mm width RCA2-TCA4NA 36mm width
Mini Table Type, Wide	Mini Table Type, Flat	Mini Table Type, Coupled motor	Mini Table Type, Side-mounted motor
RCA2-TWA3NA 50mm width RCA2-TWA4NA 58mm width	RCA2-TFA3NA 61mm width RCA2-TFA4NA 71mm width	RCA2-TA4C 40mm width	RCA2-TA4R 40mm width
Table Type, Coupled	Table Type, Side-mounted motor
RCA2-TA5C 55mm width RCA2-TA6C 65mm width RCA2-TA7C 75mm width	RCA2-TA5R 55mm width RCA2-TA6R 65mm width RCA2-TA7R 75mm width

1. 1.8 times the maximum speed, 1.3 times the payload.
   *Compared to RCS2-SS8C.
2. The compact body of only 80 mm in width can support up to 80 kg along a horizontal path.
3. High-precision types (RCS3P/RCS3PCR) with positioning repeatability of ±0.01 mm are available.

Learn more about RCS3 Electric Actuators.

The built-in 200-V servo motor is ideal for high speeds and heavy loads.

Support for a combination of three or more axes if a XSEL controller is used.

Three motor installation methods are available, so you can select an optimal method based on ease of maintenance, installation space, etc.

Learn more about RCS2 Series Actuators.