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Homemade 3PH Core Aerator

26128 Views 96 Replies 19 Participants Last post by  X748SE
This past week and mostly today I started cutting up the pieces for a homemade 3ph core aerator that will be iMatch compatible.

The plan is to have 4 swing arms that will allow 5 inches of travel so that they will be able to follow the contours of the lawn. Each arm will have 2 independent running core spools that are spaced approximately 7 inches apart and will be able to handle a combination of up to 2 x 42 pound suitcase weights, and/or an 8 inch solid block of concrete or 8 inch paving stones on top of the weight tray.

Window


Next thing to do is get the “discs” cut for the spools out and drilled. Each spool will have 8 spoons.

Roger
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The plan is to have 4 swing arms that will allow 5 inches of travel so that they will be able to follow the contours of the lawn. Each arm will have 2 independent running core spools that are spaced approximately 7 inches apart and will be able to handle a combination of up to 2 x 42 pound suitcase weights, and/or an 8 inch solid block of concrete or 8 inch paving stones on top of the weight tray.
Wow, that sounds like it will be a great design.:thThumbsU I see that I'll be rethinking the plans in my head before I start building mine.
Wow, that sounds like it will be a great design.:thThumbsU I see that I'll be rethinking the plans in my head before I start building mine.
digginit,

Thanks!

I was also thinking that if I hit a rock , then only the one arm and it's weight is affected on the tine rather than having the full weight of the aerator.

Anyways, I was able to do a bit of welding tonight and got the axle and pivot sleeves welded in.

Metal


Tomorrow I hope to get the attachment points for the arms welded on the main crossbeam.

Roger
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Wow !

Lot's of thought , planning , detailed measurements , layout and skill have gone into this build.

I'm looking forward to seeing more !

Nice work.


Donewrken


:fing32:



.
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Signed on. I was just thinking yesterday that I will need to roll the property soon to get rid of the frost heaving. Then I would like to aerate after that. Was thinking I will have to rent something.
Wow !

Lot's of thought , planning , detailed measurements , layout and skill have gone into this build.

I'm looking forward to seeing more !

Nice work.

Donewrken

:fing32:
Donewrken,

Thanks! I've been mulling a few designs around in my head for over a year and hopefully what I end up making will work as envisioned.

Roger

Signed on. I was just thinking yesterday that I will need to roll the property soon to get rid of the frost heaving. Then I would like to aerate after that. Was thinking I will have to rent something.
Larry,

I was thinking spring is coming pretty fast too and that I'll need to get the roller out sooner than later. Hopefully I can get this aerator done in time before an early summer comes and the ground gets too hard.

Roger

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Last night I was able to get the pivot point brackets welded on the main cross frame.

Metal


Next up is the weight tray.

Roger
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Welded up the frames for the weight trays tonight.

Wall Metal


Next up is the weight tray supports.

Roger
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It's starting to make more sense to me now. I'm a little slow sometimes but I'm seeing it now.
4
It's starting to make more sense to me now. I'm a little slow sometimes but I'm seeing it now.
Larry,

As per reading other posts of yours I’m glad to see you up and about and doing a few things with your X749.

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Over the weekend I was able do a little more welding on core aerator that I’m building.



I finished off the front and rear tray supports.

Metal


I then welded up the brackets for the 42 lbs. suitcase weights.



Here is a picture of a mocked up arm with the tray and supports tacked together and the 42 lbs. suitcase weight bracket just sitting there. Hopefully this will give people a bit of an idea what the end project will look like.

Machine Machine tool Tool


Next up is the spools.

Roger
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Looking good Roger. I had my tractor out today and the ground is just about right for rolling so seeing how tomorrow is suppose to be in the upper 60's I'm going to take advantage of it. Then you need a come aerate for me.:hide:
Looking good Roger. I had my tractor out today and the ground is just about right for rolling so seeing how tomorrow is suppose to be in the upper 60's I'm going to take advantage of it. Then you need a come aerate for me.:hide:
Larry,

Thanks!

It looks like it will be a while before I can get my roller out as we are suppose to get some snow in the next couple of days. I would love to aerate your lawn, that is if the aerator turns out the way I envisioned it. It may take a few days for me to get there though.

Anyways I was able to drill out all the holes in the spools tonight.

Machine tool Milling Machine Tool Toolroom


Next up is carving up the square spools into round ones.

Roger
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You do some amazing work. Is fabricating your line of work?
You do some amazing work. Is fabricating your line of work?
Larry,

THANKS for the compliment!

I worked in a metal fab shop for a few years when I was in my late teens and early twenties (a few decades ago) but now it is just a hobby and I enjoy working with metal.

Roger
I would love to aerate your lawn, that is if the aerator turns out the way I envisioned it. It may take a few days for me to get there though.
And after you get done in Indiana, feel free to head west to my place! I'm sure you wouldn't want to miss the opportunity to thoroughly test it in different soils. :D

Gotta second Larry's complement on your fine workmanship, them's some mighty purdy welds ya made there.
Wow !!

Now that's the way to drill some holes.


Nice setup , wish I could do that.:fing32:






Donewrken


:fing32:

.
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And after you get done in Indiana, feel free to head west to my place! I'm sure you wouldn't want to miss the opportunity to thoroughly test it in different soils. :D

Gotta second Larry's complement on your fine workmanship, them's some mighty purdy welds ya made there.
digginit,

Thanks for your comment!

With the different types of weights that I designed the aerator to handle, I'm hoping that it will have the penetration to be able to handle different dryness and types of soils.

I think that I'll need a new set of spoons from aerating all the way from my place to Larry's and then to yours though!

Roger

Wow !!

Now that's the way to drill some holes.
Nice setup , wish I could do that.:fing32:
Donewrken


:fing32:

.
Donewrken,

Having an X - Y table definitely makes it easier to line up and drill a lot of holes! I use that machine a lot for drilling.

Roger

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I bought a plasma cutter last August from TSC when it was on sale (thinking that I would need it for this project ;) ) and I finally was able to start using it tonight.

I had to figure out a way to hold the spool plate up so that the circle cutter would work properly. This is what I came up with, I clamped 2 bolts in the vise and then used a couple of nuts to secure the plate.

Machine Metal Tool


Here is one of the spoon plates after taking off the corners.

Machine Metal Vehicle Tool


Roger
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Nice idea Roger. I've been waiting for an update today and you didn't disappoint.
I'm glad you finally got to use the plasma cutter.

It gives you that feels good - satisfied - that was worth it sort of feeling.

Worked great !


Donewrken



:fing32:

.
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Roger,
Now you are inspiring me to get a set of guide wheels. I'm still in the stone age dragging the tip around patterns and resulting lack of precision. How far is the tip spaced from the cutting surface? A manual "lazy susan" (I always think of rotary tables as powered) is a pretty handy accessory for the welding table.

Looking great! Jay
Roger,
Now you are inspiring me to get a set of guide wheels. I'm still in the stone age dragging the tip around patterns and resulting lack of precision. How far is the tip spaced from the cutting surface? A manual "lazy susan" (I always think of rotary tables as powered) is a pretty handy accessory for the welding table.

Looking great! Jay
Jay,

Thanks!

To answer you question, I would say that the tip of torch is less than 1/8" and most likely around 3/32" mark.

Roger,

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I used that plasma cutter some more today and cut out the rest of the spool plates. I still learning on what speed to go for the thickness of material.


Roger
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