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Is green cut worth the money?

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Gofast33
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Is green cut worth the money?

Postby Gofast33 » Tue Oct 31, 2017 9:48 am

I am new to this. What is the best cutting fluid for a plasma table? Or just use water?

djreiswig
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Re: Is green cut worth the money?

Postby djreiswig » Tue Oct 31, 2017 10:59 pm

I use water with a box of washing soda dissolved in it. It's inexpensive and keeps the rust down. It can be a little messy when the water evaporates.

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steel 35
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Re: Is green cut worth the money?

Postby steel 35 » Wed Nov 01, 2017 12:38 pm

djreiswig wrote:I use water with a box of washing soda dissolved in it. It's inexpensive and keeps the rust down. It can be a little messy when the water evaporates.


+1
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_Ogre
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Re: Is green cut worth the money?

Postby _Ogre » Wed Nov 01, 2017 3:35 pm

djreiswig wrote:I use water with a box of washing soda dissolved in it. It's inexpensive and keeps the rust down. It can be a little messy when the water evaporates.

+2

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SeanP
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Re: Is green cut worth the money?

Postby SeanP » Wed Nov 01, 2017 4:23 pm

I don't know if it's our water over here or the fact I drain down to a plastic tank every night but hardly put any sodium nitrite in these days and never get any problems with rust, I maybe just add 4 teaspoons to 100 gal of water.
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AdrianH
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Re: Is green cut worth the money?

Postby AdrianH » Thu Nov 02, 2017 9:46 am

For those of you using washing soda can you please post how much you use to what quantity of water, I have only a small table but think I may have been over doing the quantity as I got quite a lot of powdery deposits.

Adrian

islander261
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Re: Is green cut worth the money?

Postby islander261 » Thu Nov 02, 2017 11:14 am

Hello

I use about 1.5 lbs. in 90 gallons of water. The key is use enough washing soda to get the pH above 8 so the steel doesn't want to rust to bad. The higher the pH up to a point the less the steel will want to rust.

John

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_Ogre
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Re: Is green cut worth the money?

Postby _Ogre » Thu Nov 02, 2017 1:57 pm

islander261 wrote:I use about 1.5 lbs. in 90 gallons of water.

same here

we use a little more but usually fill the 4x8 table and have 2- 55 barrels under the table
mix the washing soda in a 5 gal bucket and pour it in, i use a t-handle allen wrench chucked up in a drill
if you just pour washing soda into water it will set up like concrete :mrgreen:
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AdrianH
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Re: Is green cut worth the money?

Postby AdrianH » Thu Nov 02, 2017 3:15 pm

Thanks for the information doing a conversion from US gals to litres
Ib's to Kg etc. I make that around 340 Litres to 680 grams of soda, I have probably been using around 6 times that amount like using what would be equivalent to 15 gals to 1.5 lbs of soda, perhaps that is a reason for all the powdery deposits I had.

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BensPlasmaAu
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Re: Is green cut worth the money?

Postby BensPlasmaAu » Fri Nov 03, 2017 6:38 am

djreiswig wrote:I use water with a box of washing soda dissolved in it. It's inexpensive and keeps the rust down. It can be a little messy when the water evaporates.


+3. Srems to do a really good job and its cheap as!

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_Ogre
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Re: Is green cut worth the money?

Postby _Ogre » Fri Nov 03, 2017 6:30 pm

plus when you need to empty your table just run the hose out to the lawn
and washing soda is cheap enough you can empty it as often as you want :mrgreen:
bulltear 4x8 cnc plasma table, candcnc bladerunner w/dthc, hypertherm powermax 65, sheetcam, mach3
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