Reply by Manitario

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Posted on Cyclone Clogging at the Cone and 7" Flex Hose

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2781 posts in 3388 days

#1 posted 01-31-2017 06:13 PM

I have a 5hp cyclone and although I’ve never had any trouble with blockages, I have set it up enough times to identify potential trouble areas. I think that you have some good ideas already about potential causes of your clogging. In my experience, any air leak b/t the drum and the cyclone kills the efficiency. I’d be very careful to make sure that your drum is well sealed (I used a lit incense stick) and the drum to cyclone connection is sealed completely. I also don’t use a collection bag b/c I found that unless I had something holding it down, it’d get sucked up and impede the flow of chips into the drum. If you don’t have any leaks, then you could try having a longer piece of flex tube b/t the cyclone body and collecting drum; I find with short connections some of the chips get pulled back into the cyclone. The other potential issue that could be affecting you is that you simply just don’t have enough airflow; 10ft of 4” flex is a huge increase to the overall static pressure of your system and a huge hit to the CFM. I would have 6” duct to as close to the machine as possible and then a very very short run of 4” flex or even 6” flex with a 6 to 4” reducer right at the planer.

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