FAQ

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What is an Iron Core motor?

Iron Core motors

Answer: An Iron Core motor is a linear motor which is designed and constructed with an iron core, these linear motors offer extremely high continuous force for their size, starting at 60N for the small TM, all the way up to 3000N for the water cooled TBW powerhouse. Peak forces are even higher, reaching up to 6000N.

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Why choose Iron Core?

Iron Core motors

Answer: Because Iron Core linear motors have a small air gap between the primary and secondary parts, their magnetic resistance is low and magnetic flux (force) is high. This gives them the ability to produce very high continuous forces. In addition, the design of Iron Core linear motors allows heat to flow from the laminate to the structure, providing good thermal management.

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What are the typical applications of Iron Core motors?

Iron Core motors

Answer: The high forces and low heat dissipation of Iron Core linear motors make them well suited for applications in machine tools, laser and water jet cutting machines and factory automation. Tecnotion’s low-cogging design also allows Iron Core linear motors to be used in large format printing applications, where smooth, precise motion is critical.

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What are the advantages of Iron Core motors?

Iron Core motors

Answer: Because Iron Core linear motors have a small air gap between the primary and secondary parts, their magnetic resistance is low and magnetic flux (force) is high. This gives them the ability to produce very high continuous forces. In addition, the design of Iron Core linear motors allows heat to flow from the laminate to the structure, providing good thermal management.

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Is it possible to couple Iron Core motors?

Iron Core motors

Answer: Individual iron core coils within one series and with the same motor constant can be coupled. This can be done on two separate magnet tracks for gantry type applications or on a single magnet track to yield more force. This last option is especially interesting for cost reduction in long stroke applications.

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What is the nominal air gap?

Iron Core motors

Answer: Tecnotion doesn’t specify the nominal air gap because of the casted finish of the coil unit and the magnet plate. This finish makes it difficult to get an accurate reading of the air gap with the use of a feeler gage. To get an accurate measurement Tecnotion advices to derive the air gap from the total mounting height.

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What happens if the air gap increases?

Iron Core motors

Answer: The air gap between the magnet plates and the coil unit can be increased to overcome tolerance issues in clearance or deviations in parallelism or flatness. Especially for large axis configurations this can be helpful. A larger air gab however decreases the power of the motor. The decrease in force isn’t linear and is different for the continuous force and the attraction force.

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News, events & insights

Powerhouse in flat design

Tecnotion introduces a new series of torque motors at the SPS Smart Production Solutions fair. The QTL-A… Read more

Direct Drive Motor Selection & Simulation Tool

Tecnotion launched its new online simulation tool. This new online tool replaces our offline tool. With… Read more