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Injection moulded stepper motors

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A range of stepper motors manufactured using injection moulding techniques has been introduced by Astrosyn International Technology. The method of construction makes more space available internally, enabling the motors to be thinner while producing greater torque.

A 30% increase in efficiency is possible because the space saving design enables the use of more windings with lower resistance, resulting in a 27% reduction in temperature rise. The technique also allows greater precision in assembly, leading to significantly improved step angle accuracy – typically 2.5% compared with 4-5% in competitor models.

A further advantage of the design is that noise generated by vibration between the stator and the winding is eliminated since the injection moulding technique effectively locks the parts into a single unit.

Astrosyn International
01634 815175

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