IMA Linear Servo Actuators

The IMA linear servo actuator has a unique integrated servo motor design.

The IMA is an integrated linear servo actuator featuring a unique integrated servo motor design in a compact, heavy duty package. Available in both ball and roller screw configurations, the IMA actuators provide forces up to 8,044 lbf (35.8 kN) even in high duty cycle applications. The IMA utilizes a standard linear servo motor available with many feedback types. Available in food-grade coating for sanitary wash-down applications.

Supports Third Party Drive Integration

Tolomatic also supports seamless integration with Rockwell Automation through the use of approved custom motor files (CMF) and as a Technology and Encompass partner.  See our Tech Notes on using the CMF import tool and interfacing the IMA actuator and absolute encoder with Rockwell Automation servo drives

Tolomatic’s integrated motor products (IMA & IMAS) support integration with a wide range manufacturers’ servo drives.  Check back often to our Drive Integration Resource page as we will continue to add supporting documentation and motor files.


NEW BROCHURE: IMA Extended Catalog Options

Get extremely long service life with IMA linear servo actuators

Utilizing Tolomatic’s patented re-lubrication design, the IMA heavy duty linear servo actuators can easily be re-lubricated without disassembly for extremely long service life.

IMA linear servo actuator simplifies mechanical design.

Tolomatic’s unique integrated linear servo actuator design eliminates:

  • Hydraulic systems
  • Pneumatic systems
  • Contamination from air or oil
  • Motor couplers, adapters, timing belts and gear boxes
  • Forced air or water cooling
  • Need for multiple vendors
  • Unneeded assembly labor

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 4,000 lbf 8,044 lbf
Metric 1.5 kN 11.1 kN 17.8 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

IMA Screw Buckling Load & 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

Aseptic Plastic Injection Molding

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