The IMA series from the manufacturer Tolomatic is a family of integrated electric cylinders, also known as actuators. An integrated electric cylinder contains a roller-screw, a servomotor and a rotary encoder, all within the same housing. This makes it very compact and easy to install. Our IMA series comprises three main lines:
In the following sections, we go into detail about each family.
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The IMA electric cylinder (also called actuator) is an integrated servo actuator in a compact housing. The IMA cylinder comes with ballscrew or rollerscrew technology, depending on the duty cycle and required lifetime. IMA provides peak forces up to 30kN and has been designed for a high duty cycle. IMA contains a brushless DC servomtor and a rotary encoder. Many types of feedback are available, also safety encoder are possible. Using the re-lubrication system (the grease zerk is clearly visible in the image to the right) the IMA cylinder can be re-lubricated without taking the cylinder apart.
For actuators using roller screws or ball screws, the rod must be secured against rotation so that the actuator can develop its force. This is referred to as anti-rotation. The anti-rotation can be done externally, e.g. in the customer's mechanical assembly, or, inside the actuator. For this purpose, we offer an optional hexagonal rod for the IMA family, which is clearly visible in the picture on the right.
The IMA-WP is the food-grade version of the IMA actuator described above. IMA-WP has a white epoxy coating for food applications. In addition, food-grade grease is available for the integrated ballscrew or rollerscrew. Finally, the IMA-WP comes with stainless steel screws, rods and rod-ends. Like the IMA family, the IMA-WP food grade electric cylinders provide forces up to 30kN. Please download the PDF file to the right, for more detailed technical information.
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The IMA-S is the stainless steel version of the IMA industrial-grade cylinder. Besides the IMA-S integrated electric cylinder for forces up to 11kN, we also provide stainless steel cylinders for forces up to 35kN, utilizing an externally-mounted servomotor. All of our stainless steel electric cylinders are described at this page.