IMA Linear Servo Actuators

The IMA linear servo actuator includes an integrated servo motor to simplify mechanical designs

The IMA linear servo actuator features a unique integrated motor design in a compact, industrial package. Available in both ball and roller screw configurations, the IMA actuators provide forces up to 8,044 lbf (35.8 kN) ideal for high duty cycle applications.

Ideal for dynamic applications or when the actuator is exposed to a high level of shock and vibration.

Drive Integration

Tolomatic’s integrated motor products (IMA & IMAS) integrate with a wide range manufacturers’ servo drives. Check our Drive Integration Resource for supporting documentation and motor files.

Tolomatic supports integration with Rockwell Automation through the use of custom motor files (CMF). See our Tech Note: interfacing the IMA actuator and absolute encoder with Rockwell Automation servo drives.

Flexible design with options to fit your application

All machines are different. Tolomatic offers a variety of options to ensure compatibility and fit with your machine. Explore our catalogue of options and accessories.

Long service life with IMA linear servo actuators

Tolomatic’s patented re-lubrication design enables easy re-lubrication without disassembly for extremely long service life. Discover the options available.

IMA Maximum Stroke

Size IMA 22 IMA 33 IMA 44 IMA 55
Standard 12 in. 18 in. 18 in. 18 in.
Metric 305 mm 457 mm 457 mm 457 mm

IMA Maximum Force

Size IMA 22 IMA 33 IMA 44 IMA 55
Standard 325 lbf 2,500 lbf 4,150 lbf 8,044 lbf
Metric 1.5 kN 11.1 kN 18.5 kN 35.8 kN

IMA Maximum Speed

Size IMA 22 IMA 33 IMA 44 IMA 55
Standard 28 in/sec 48 in/sec 52.5 in/sec 31.4 in/sec
Metric 711 mm/sec 1,219 mm/sec 1,334 mm/sec 787 mm/sec

IMA Features

The IMA is matched to your drive/controller

IMA Performance & Mechanical Specifications

IMA Perf., Mech. & Motor Specifications

IMA Critical Screw Speed & Screw Buckling Load

IMA Ball & Roller Screw Life

Re-Lubrication Recommendation

IMA Dimensions

IMA Options

IMA Mounting Options (FFG, TRF, PCD, TRR)

IMA Rod End Options (MET, RCL, SRE, ALC + MET, ALC)

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White Papers

Aerospace Welding

Product Family: Electric
Product Used: IMA33 (Stainless Steel) Rod-Style Electric Actuator

Fence Guide

Challenge: A lumber processing equipment company needed to replace existing hydraulic cylinders used in a fencing application in order to achieve flexible positioning, reduce maintenance / contamination, and lower energy consumption.
Product Family: IMA
Product Used: IMA33

Motion Simulation

Challenge: Replace an existing hydraulic system with an electric actuator to simulate vibrations and other distubances in a motion simulator.
Product Family: IMA Integrated Motor Actuator
Product Used: IMA44

Injection Molding-Hot Runner

Challenge: An injection molding OEM was struggling with long lead times from their existing electric actuator supplier.
Product Family: IMA Integrated Motor Actuator
Product Used: IMA

Injection Molding-Aseptic Plastic

Challenge: Precise positioning of product, blowers, sealers, welders, and more.
Product Family: Electric
Product Used: IMA Integrated Motor Actuator

High Speed Train Wheel Steering

Application Description
An actuator to steer the wheels of a high-speed train car, to reduce the wear caused by curves in the track.

Product Used: Modified IMA44 Integrated Linear Servo Actuator
Product Type: Modified Standard

Use the links below to locate a Tolomatic distributor in your area, find out more information on how to specify and configure your actuator, service parts information, and selection guidelines and tips.

Find a Tolomatic distributor

IMA Selection Guidelines

IMA Ordering

IMA Replacement Option Parts Ordering