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Linear Actuators > Linear Cylinders > EAC Series Closed Loop Linear Actuators

EAC Series Closed Loop Linear Actuators

EAC Series Closed Loop AR Series Electric Linear Cylinders / Linear Actuators

The AlphaStep EAC Series stepper motor linear cylinders are quick and responsive and incorporate a ball screw design, offering high performance from low speed to high speed or with light loads or heavy loads, regardless of demanding operating conditions. Available in a straight type or reversed motor type and with a shaft guide and cover version also available, saves design time and parts.

Stroke Lengths from 50mm up to 300mm
Available with or without Shaft Guide
Electromagnetic Brake available
AC or DC Input
Repetitive Positioning Accuracy = ±0.02 mm
Requires AR Series Driver (sold separately)

Product Lineup
Product Features
Drivers & Accessories
System
Downloads & Reference

Linear Actuators Lineup

Type	Power Input	Options	Thrust Force* (N)	Push Force* [N]	Stroke (mm)
EAC4 Straight Type 42 mm x 42 mm Linear Actuator	AC Input	6 mm or 12 mm Lead Electromagnetic Brake	~70 or ~140	100 or 200	50 ~ 300
	DC Input
EAC4 with Guide Straight Type 42 mm x 42 mm (42 mm x 114 mm with Guide) Linear Actuator	AC Input	6 mm or 12 mm Lead Electromagnetic Brake	~70 or ~140	100 or 200	50 ~ 300
	DC Input
EAC4 Reversed Motor Type 42 mm x 42 mm Linear Actuator	AC Input	6 mm or 12 mm Lead Electromagnetic Brake	~70 or ~140	100 or 200	50 ~ 300
	DC Input
EAC4 with Guide Reversed Motor Type 42 mm x 42 mm (42 mm x 114 mm with Guide) Linear Actuator	AC Input	6 mm or 12 mm Lead Electromagnetic Brake	~70 or ~140	100 or 200	50 ~ 300
	DC Input
Type	Power Input	Options	Thrust Force* (N)	Push Force* [N]	Stroke (mm)
EAC6 Straight Type 60 mm x 60 mm Linear Actuator	AC Input	6 mm or 12 mm Lead Electromagnetic Brake	~200 or ~400	400 or 500	50 ~ 300
	DC Input
EAC6 with Guide Straight Type 60 mm x 60 mm (60 mm x 156 mm with Guide) Linear Actuator	AC Input	6 mm or 12 mm Lead Electromagnetic Brake	~200 or ~400	400 or 500	50 ~ 300
	DC Input
EAC6 Reversed Motor Type 60 mm x 60 mm Linear Actuator	AC Input	6 mm or 12 mm Lead Electromagnetic Brake	~200 or ~400	400 or 500	50 ~ 300
	DC Input
EAC6 with Guide Reversed Motor Type 60 mm x 60 mm (60 mm x 156 mm with Guide) Linear Actuator	AC Input	6 mm or 12 mm Lead Electromagnetic Brake	~200 or ~400	400 or 500	50 ~ 300
	DC Input

Repetitive Positioning Accuracy = ±0.02 mm

*Thrust Force = ~70 N (EAC4, 12 mm Lead), ~140 N (EAC4, 6 mm Lead), ~200 N (EAC6, 12 mm Lead) or ~400 N (EAC6, 6 mm Lead)

*Push Force = 100 N (EAC4, 12 mm Lead), 200 N (EAC4, 6 mm Lead), 400 N (EAC6, 12 mm Lead) or 500 N (EAC6, 6 mm Lead)

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Linear Actuators
AlphaStep Control
Types and Options

Linear Cylinders

Compact, High Thrust Linear Actuator

Using aluminum for the rod, these motorized cylinders produce high thrust force despite their compact and lightweight body. The unique structure suppresses vibration to achieve improved acceleration characteristics and high-speed positioning operation.

Capable of a Variety of Movements

Offering the ability from low speed to high speed or with light loads or heavy loads, these linear actuators are easier to use and offer high performance regardless of demanding operating conditions.

High-speed is possible with light loads or heavy loads, or even during inching operations.

Quick & Responsive

The high response of the closed loop stepper motor and drive system provides superior short-distance positioning.

Since the AlphaStep AR Series stepper motor operates synchronously with pulse commands and generates high torque with a compact body, it offers excellent acceleration performance and response

Quick Response

Direction of Motor Installation

Reversed Motor types are provided for all linear actuators. This contributes to a shorter overall length and space savings.

Space Saving

Cable Outlet Direction

Motor cable can be changed to any direction* by simply rotating
the stepper motor. There is no need to leave space behind the motor since
the cable outlet is on one side of the motor, allowing for easy
connection and saving space.

*3 directions for Reversed Motor types

Cable Direction

Application Example

AlphaStep Control System

Hybrid Control System

The hybrid control system constantly monitors the motors position allowing for the benefits of performance from "open loop" control while providing the assurance of "closed loop " performance.

Reversed Motor Type

Reversed Motor types are provided for all linear actuators. This contributes to a shorter overall length and space savings.

Space Saving

Simple Maintenance for Reversed Motor Type

Maintainability has been improved by using Oriental Motor's unique belt tension adjustment mechanism and through the standardization of maintenance parts based on the AR Series.

Thanks to Oriental Motor's unique belt tension adjustment mechanism, belt replacement is easy.

If the screw is loosened, the belt tension is adjusted to an appropriate value by the force of the spring.

Shaft Guide

Shaft Guide and Cover

There is no need to design or procure parts for the external guide. Moving parts on the cylinder main unit side are protected, improving equipment safety. This is useful for grease splash prevention in the shaft guide section and the prevention of the infiltration of foreign particles in the linear bush section.

Electromagnetic Brake

Vertical operation is possible with electromagnetic brake. The load position can be held when the power is cut off. Since the work will not fall in case of power failure or disconnection, you can safely use equipment in which the work moves vertically.

Vertical operation

AR Series AC Input Drivers

The AlphaStep ARD (AC Input) Drivers offers superior high speed performance, low vibration and closed loop control. Available in a stored data (network) driver or pulse input driver. Advanced operation and function control is included through our MEXE02 software (free download). The ARD (AC Input) Drivers can perform quick positioning operations over a short distance without the need for tuning, while providing smooth performance.

Built-in Protective Functions
Pulse Input or Built-in Controller (Network) Types
Single-Phase 100-115, 200-240 VAC or Three-Phase 200-230 VAC
For use with AlphaStep AR Series Motors (AC Input)

AR Series DC Input Drivers

The AlphaStep ARD-K (DC Input) Drivers offer 24/48 VDC input voltage, low vibration and closed loop control. Available in a stored data (network) driver or pulse input driver. Advanced operation and function control is included through our MEXE02 software (free download). The ARD-K (DC Input) Driver can perform quick positioning operations over a short distance without the need for tuning, while providing smooth performance.