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Author Topic: Duty Cycle of CT36  (Read 1403 times)

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Offline Papalima

  • Posts: 2
Duty Cycle of CT36
« on: March 10, 2017, 03:34 PM »
Hello,
  Can you tell me the duty Cycle of a CT36?  I would like to use it for my CNC and the jobs can run from 10min to hours.

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Offline Kev

  • Posts: 7571
Re: Duty Cycle of CT36
« Reply #1 on: March 10, 2017, 07:22 PM »
My bigger concern would be the bag filling up ... the Festool DC's are designed for commercial use and very much targeted at sanding, so they'd be designed to bang on for hours at a time!

Offline Papalima

  • Posts: 2
Re: Duty Cycle of CT36
« Reply #2 on: March 10, 2017, 07:28 PM »
My bigger concern would be the bag filling up ... the Festool DC's are designed for commercial use and very much targeted at sanding, so they'd be designed to bang on for hours at a time!

I do have a Cyclone hooked up to it so I have a much bigger bucket.  Very little actually gets in the bag.

I figured they were designed to run for a while but I didn't want to burn out my expensive CT.

Offline kevinculle

  • Posts: 106
Re: Duty Cycle of CT36
« Reply #3 on: March 10, 2017, 07:31 PM »
I wouldn't worry about a continuous on duty cycle as I would imagine the worst case is a long session with frequent starts and stops.  For example when I have my CT26 hooked to the Dewalt biscuit joiner running a long series of joints the CT is being started, run up to speed and stopped on about a 20-30 second cycle.  I've done this for an extended period and the CT just keeps humming along.

Offline rst

  • Posts: 1441
Re: Duty Cycle of CT36
« Reply #4 on: March 10, 2017, 07:50 PM »
It is definetely easier on a motor to run constant rather than jogged on/off.  A dust extractor with a cyclone inline will more or less be idling as the filter is not reducing the air flow.

Offline TylerC

  • Festool USA Employee
    FOG Administrator
  • *
  • Posts: 882
Re: Duty Cycle of CT36
« Reply #5 on: March 11, 2017, 11:19 AM »
Festool CTs are not continuous duty tools. They use universal motors which are better equipped for intermittent use. That said, some people do use it this way, but we do not necessarily recommend it.

It sounds like some other members have some useful experiences that might point you in the right direction.

Offline Billy Bunter

  • Posts: 9
Re: Duty Cycle of CT36
« Reply #6 on: March 11, 2017, 04:42 PM »
I'd never heard of a universal motor so had to check Wikipedia....
"... A negative aspect is the maintenance and short life problems caused by the commutator, as well as electromagnetic interference (EMI) issues due to any sparking. Because of the relatively high maintenance commutator brushes, universal motors are best-suited for devices such as food mixers and power tools which are used only intermittently, and often have high starting-torque demands...."

Seems the main reason not to run such a motor continuously would be that they are not so efficient considering brush-wear....

learn something every day.....

Offline antss

  • Posts: 1032
Re: Duty Cycle of CT36
« Reply #7 on: March 11, 2017, 04:48 PM »
hmmmmm, brushless CTs in our future ?