Page 19 - Industrial Technology EXTRA 28th September 2020

Lubricant-free

be desired to get increased torque out of the motor
via increased current, keeping the overall size of the made easy
motor as small as possible. But the on-time
requirements for the cycle must be balanced such
that the current drawn does not cause the motor to
exceed its maximum operating temperature.
Duty cycle must also be considered in relation to
environmental factors. Will the motor be mounted
to a base which can conduct heat away? Is there air
flow around the motor which will help keep it cool?
Is the motor in an enclosure where other
components are generating heat, raising the
ambient temperature?

Fixed versus portable
The type of application being designed will dictate
different factors be considered for the motion
solution. If the product remains in a fixed location,
the size and weight of the motor may be less
important, allowing flexibility in the overall size of
the motor for performance optimisation within the
application.
A mobile or ambulatory product primarily draws
power from a battery, making the current draw of
the motor a critical consideration. The lower the
current draw (while meeting the required
performance), the longer the battery will last
between charges. Also, size and weight become a
priority.
... and easily

Conclusion
customised
As we have seen, there are many factors to consider
when choosing the optimum motion technology for
a given application. There may be one or more ®
iglidur special parts eliminate lubricants and
primary factors which would provide a starting point reduce weight: from chassis to transmission
®
to determine the most suitable motor technology. – customised iglidur polymer plain bearings.
Last longer and cost less with fast delivery.
But only by carefully reviewing all the factors and
igus.co.uk/automotive
their impact will the most appropriate motor
technology be settled on to optimise the
performance of the product.
www.portescap.com
Technical enquiries: Tel. 01604 677240
September 2020 • INDUSTRIAL TECHNOLOGY EXTRA • p19
sales@igus.co.uk ... plastics for longer life ®