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Home shop coolant choice

wehnelt

Aluminum
Joined
Apr 13, 2007
Location
California
I’m sticking a VMC in my garage and need to choose a coolant. Simply I don’t want to install a fire suppression system, so neat oil is out. MQL is going to make chip evac a nightmare. So coolant it is.

I really want something that won’t eat the paint but also will resist bacterial growth. Are there synthetics that won’t eat paint? Are there semi-synthetics that will put up SOME fight against bacterial growth? Qualichem 251C seems promising for the latter.

Additionally, it seems like I should have some kind of maintenance schedule if I won’t be using the machine. How often should I run flood just to keep the coolant moving? A few minutes once a week? Twice a week? I figure I should add a bubbler/skimmer or something. Maybe an ozonator? Any wisdom here is appreciated!
 

rklopp

Diamond
Joined
Feb 27, 2001
Location
Redwood City, CA USA
I've been running Qualichem 250C in my home VMC since February. It's been great. There's no sign of weird growth and nearly zero smell. What smell there is smells like normal coolant. I went away for 2 weeks, the machine sat, there was a hot spell (for us in the SF Bay Area), and I came back to no issues. I don't have an aerator and don't add anything to the coolant. I am running at 9-10% concentration. I run the pump every few days for a few minutes if I am not running the machine. My machine has greased ways, so there's not much oil to skim. I skim using oil-spill pads every month or so.

The coolant drains off parts easily and I have had zero rust issues or paint attack.
 

Donkey Hotey

Stainless
Joined
Dec 22, 2007
Blaser Vasco 6000:


Expensive but, very forgiving and non-toxic. Been using the Vasco line in prototype enviroments with long periods of downtime for 19 years. Your location says California but, not where. If you're in the LA area, PM Industrial is where I get mine. More info discussed here:

 
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drcoelho

Stainless
Joined
Feb 19, 2017
Location
Los Altos
Don't believe you need fire suppressant for oil (unless you are doing magnesium or titanium). I'm using Blaser VascoMill 10 very successfully in my Brother Speedio. I chose this to minimize the maintenance associated with traditional coolants, I needed something I could just leave alone for weeks at a time. I also wanted something that was non-toxic. So far I'm very happy with this decision.
 

Philabuster

Diamond
Joined
Jul 12, 2006
Location
Tempe, AZ
Been running Blaser Vasco 6000 in my home shop for about a year or so now. No issues with leaving the machine sit idle for weeks between jobs. Rep said that coolant was overkill for what materials I was machining but he said the only downside was it was more expensive than their other products.
 

jhov

Cast Iron
Joined
Jun 5, 2020
Location
SW Ohio
+1 for Qualichem 250C. Nothing but good to say about it aside from price, but given how long it's held up, its well worth the cost.
 

Mr.M

Cast Iron
Joined
Sep 28, 2012
Location
MN, USA
I like the QualiChem product a lot and it performs very well and tolerated sitting well. When I went to buy it for my home shop I could not get the distributor to respond so I use Castrol MB50 which also does well. Not quite as good as QualiChem as far as smell, but does well enough.
 

Stirling

Hot Rolled
Joined
Dec 11, 2013
Location
Alberta canada
I’m sticking a VMC in my garage and need to choose a coolant. Simply I don’t want to install a fire suppression system, so neat oil is out. MQL is going to make chip evac a nightmare. So coolant it is.

I really want something that won’t eat the paint but also will resist bacterial growth. Are there synthetics that won’t eat paint? Are there semi-synthetics that will put up SOME fight against bacterial growth? Qualichem 251C seems promising for the latter.

Additionally, it seems like I should have some kind of maintenance schedule if I won’t be using the machine. How often should I run flood just to keep the coolant moving? A few minutes once a week? Twice a week? I figure I should add a bubbler/skimmer or something. Maybe an ozonator? Any wisdom here is appreciated!
I run blaser bc25
What my rep recommended. Never had issues for 10 years.
Is it the best, I dunno, but I’ve never had a reason to complain either.
Worked at a place that used it in a lathe where the coolant would only get used/turned on every few months.
Never stunk, (had to top up due to evaporation tho of course)

I run it in both my slant bed and vmc. No paint issues.
 

Philabuster

Diamond
Joined
Jul 12, 2006
Location
Tempe, AZ
Been running Qualichem Xtreme Cut 290 at work for a few years now and it works well. No issues with machines sitting idle for a month, but we are in a climate controlled shop.
 

Blaser Swisslube

Aluminum
Joined
Jul 30, 2009
Location
Goshen, NY
We would be happy to help you determine the best coolant and accessories for your machining process. Feel free to message us and we will have a local rep contact you directly. 🙂
 

jaguar36

Hot Rolled
Joined
May 13, 2015
Location
SE, PA
We would be happy to help you determine the best coolant and accessories for your machining process. Feel free to message us and we will have a local rep contact you directly. 🙂
Would be great if you can just post the response to the Ops question here instead so the rest of us could learn instead of suggesting the op get sucked into a sales call.
 

wehnelt

Aluminum
Joined
Apr 13, 2007
Location
California
I’m likely not gonna call Blaser, based on other peoples’ experience with Synergy 🫠, but it seems like people are having some good luck with Vasco, so that’s good.
 

Blaser Swisslube

Aluminum
Joined
Jul 30, 2009
Location
Goshen, NY
Would be great if you can just post the response to the Ops question here instead so the rest of us could learn instead of suggesting the op get sucked into a sales call.
We like to provide the most accurate recommendation possible. There are many factors we assess when making recommendations such as conducting a water analysis, materials being machined, and what machine is being used. Working with a representative directly can help determine the best option.
 

AaronEberhard

Plastic
Joined
Jul 11, 2023
I've used Hangsterfer's for years, so when it came time to fill up the little Robodrill in my garage, I went with it. I've had it filled up since January, and haven't had any errant smells (obviously, it smells a bit like coolant in in there). So far, so good! Even when I didn't get to use the machine for a month, no worries other than topping off the losses due to evaporation.
 

Marvel

Cast Iron
Joined
Jan 14, 2019
Location
Minnesota
I’m likely not gonna call Blaser, based on other peoples’ experience with Synergy 🫠, but it seems like people are having some good luck with Vasco, so that’s good.
Ran Synergy 735 for almost 5 years, my only complaint for 5 years and have heard the same from quite a few others is tapping. I broke taps, 8-32 and 4-40 most commonly, like never before. Blaser is also getting up there in cost, it went from $2125.75 to my last quote about a month ago for a barrel was $3083.25.

I just decided to switch and went with Mb50 - world of difference across the board. I don't know why I didn't switch sooner.
I just had a repeat job with over 400x 8-32 holes, when I ran it with Blaser after about 80 holes I'd break a tap, I had to move to thread milling with Blaser, no matter what I did. With Mb50, I tripled my feeds and speeds and made it through all with one tap.
 

rklopp

Diamond
Joined
Feb 27, 2001
Location
Redwood City, CA USA
Ran Synergy 735 for almost 5 years, my only complaint for 5 years and have heard the same from quite a few others is tapping. I broke taps, 8-32 and 4-40 most commonly, like never before. Blaser is also getting up there in cost, it went from $2125.75 to my last quote about a month ago for a barrel was $3083.25.

I just decided to switch and went with Mb50 - world of difference across the board. I don't know why I didn't switch sooner.
I just had a repeat job with over 400x 8-32 holes, when I ran it with Blaser after about 80 holes I'd break a tap, I had to move to thread milling with Blaser, no matter what I did. With Mb50, I tripled my feeds and speeds and made it through all with one tap.
Cut tap or form tap?
 

604Pook

Cast Iron
Joined
Sep 14, 2022
Location
BC CANADA
I use Fuchs Lubricants AP Eco 811 Bp, has worked well for me for years. Machining mainly Aluminum and Brass, but mix in stainless and steel as well. My machines can sit for a week or two at a time, while I am stuck working on CAD stuff.
 

Donkey Hotey

Stainless
Joined
Dec 22, 2007
I’m likely not gonna call Blaser, based on other peoples’ experience with Synergy 🫠, but it seems like people are having some good luck with Vasco, so that’s good.
I knew nothing of other Blaser products until you mentioned Synergy. After 20 minutes of reading, I am shocked at how finicky that seems to be. Not what I expected

I truly hope that Vasco 6000 continues in the history of the Vasco line but, the 5000:

Did not rust or corrode anything. As noted elsewhere, it actually seems to clean dark stains on the cast iron left from the vises being in place for many months at a time. I had some stainless guards on the lathe turn dark in local areas but, I believe that was from cutting aluminum and then leaving the coolant and chips dried on it for many months (years?!?). As you know, aluminum and stainless are pretty reactive in contact. My bad. The machines went unused for very long periods when I had them available at work.

No paint damage on anything. The lathe is 16 years old and the VF-2 is 19. Even the completely submerged VF sump still has about half the paint after all those years. The VF-2 has the original windows. No chemical damage to the plastic. My machine has the wired Renishaw tool setter. The cable is soft, not gummy and no damage. Same for the rubberized plastic way cover wipers. I had three more Haas machines at work for 8 years, also Vasco. Same experience. A good friend bought a VF-5 Haas in 2012. Same experience. New vises, new everything, no paint damage. No corrosion.

I'm not even sure where I first learned about Vasco. It was either an ad in Modern Machine Shop and/or their booth at Westec around 2003-2004. The only other product I had any direct experience with was some Boeing-approved crap they used in the other shops at work. It had a heavy chemical smell, was greasy, ate the paint but, "Boeing approved" so that's what they ran. After reading a few threads like this one, I dodged many bullets by starting with such a good product. I wouldn't let Synergy put you off of the brand.

With that said: I kind of understand where Blaser (or any other company) is coming from with making blanket recommendations on a web forum. They really don't know your water situation or if your machine manufacturer used magnesium and copper for half the random parts and they began corroding the second they were made. A schooled and experienced sales person might see something on your machine and say, "well, your water is exceptionally hard and you'll be doing mixed materials, infrequently but, in bursts of heavy use. You have brass wipers on everything and they're rubbing on stainless guards so, these three products would work well for you but, I'd stay away from these because..."

Also: their website is just bizarre. I tried looking up information about the current offerings a few months ago. Uhh. Weird.
 








 
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