Drive motors directed to maximise power density

26th October 2016
Posted By : Anna Flockett
Drive motors directed to maximise power density

Aimed at high precision positioning applications that require extremely high speeds and accelerations for maximum production throughput, Kollmorgen’s ICH series iron-core linear motors, are available from Heason Technology. These direct drive motors deliver continuous operation linear force between 175-5341N with maximum force available for acceleration to more than 12,000N.

When assembled into linear positioning systems with associated mechanics for appropriate loads and matched servo drives, this translates to speeds ranging from a few microns per second up to five metres per second with accelerations to 10g.

With the ICH series optimised for maximum heat dissipation and for voltages up to 700VDC, these compelling performance specifications will suit elevated speed production and assembly tasks such as laser and plasma machining, pick and place equipment and high-speed packaging machinery. For precision speed control tasks such as step and scan/repeat processes the ICH series also features excellent constant velocity characteristics thanks to a minimal cogging design, with ultra-smooth motion even at even at low speeds. 

These non-contacting and wear-free linear motors provide direct-drive power transmission based on integral Hall Effect sensors for commutation and are perfectly suited for use with Kollmorgen AKD and S700 series servo drives offering the added benefit of cogging compensation. The next generation AKD is available in a wide choice of platform options including the EtherCAT equipped AKD-N which offers multi-axis synchronised and decentralised control with a single cable for power and feedback; whilst the S700 series offers extended functionality for complex drive and automation tasks.

The ICH series is available in a choice of four basic platen length sizes from 64-512mm that progressively offer increasing force performance for platen/rail widths from 60-280mm. The travel range for the ICH is essentially unlimited - by stacking rails even 100m is feasible. Electrical cable connection is a choice of flying leads to 1,200mm or single bayonet connector for power and commutation.

The frameless ICH series’ compact dimensions facilitates straightforward installation in space restricted envelopes and with very long life and clean operation all that is required for high performance positioning is linear bearing mechanics and linear encoder feedback.

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