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Pugmill "stator"


docweathers

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When I am pugging. it is a tricky balance to add enough water to the hopper to soften the clay to the right consistency vs having the water act as a lubricant, which causes the clay to stick to the auger and spin in the barrel vs moving forward.. 

 

I was thinking about adding some small blades, between the auger blades, to act as a stator to oppose the spinning of the clay. It would something like stators found in the torque converter of an automatic transmission.  Do any pugmills do such a thing? Is there any reason it would not work? Is there a better way of keeping the clay from spinning with the auger?

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Hey,

I have a Bluebird 440 and it spins if too much water is added at one time.

At one time I would take a slice of clay, dip in à cup of water then drop in the hopper. Now I think its faster to take 1/2 a bag and thin slice it one way while adding water in between each one, then flipping it on another side and repeating.

THEN, running thru the mill. If you know ahead of time, add water to the bag and allow it to soak in. Either way will keep the clay moving thru your mill.

 

See ya,

Alabama

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Larry in a Peter plugger the spin direction is backwards to mix and forward to pug

You add water at end away from the exit tube end on far side of clay entry hopper.

This works well as you only add small amounts so it cannot spin wet

Not sure on a bluebird but if I recall its pugging or not ( no mix ?) wet your clay before putting it in like Alabama suggests

I do not think a stator will help

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my bailey works well if i dip each of the harder pieces into water before dropping them into the hopper.  i usually mix very soft, moderately soft and harder clay.  and i usually run it through twice.  this is because i only pug a few times a year.  will be doing a few buckets once i get home in the spring.

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That puppy is just for pugging then so just wet clay 1st then pug and rewet and pug again until you are happy with moisture .

You would not believe what  peter lugger could do compared to that old bluebird-I know its 1/10th the price just saying.

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A Peter Pugger makes sense for a professional potter like you, But, as a hobbyist potter. I can't justify big bucks for a pugmill that I only use occasionally. Besides, I pride myself on being able to get things done cheap, It does the job, just a little tricky to operate.  I can refine my technique with some of the suggestions that have been offered here.

 

Thanks all for the many useful ideas.

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