Spraygun

Accuspray

Mark Mandell - Gone Round In New Jersey

will do well with compressed air. Needle set stock I think are larger for higher viz material.

Re: Accuspray

Barry Irby

I have one and like it well enough. I spray lacquer with it. I have not sprayed anything else.

Re: Spraygun

Woodie49

I have a turbine system, Love It!

Re: Accuspray Spraygun Experience

Stephen Roth

I bought that gun and PPS cup kit a few months ago to spray GF Milk Paint. That stuff is VERY VERY VERY high viscosity. I could barely get it to flow through a viscosity cup.

Anyway, with about 10% thinning, it sprayed very well. I used the 2.0 tip. I almost wish they made a larger one. I did need to turn up the PSI to around 40 and reduce the fan pattern. BTW: The 3M regulator did not work well at that PSI. I ended up just using the one on my compressor.

The gravity cup almost functions like a pressure cup because of the insert collapsing when you spray. Start it with the gun upside down to get all the air out.

I also used the gun to spray BIN Shellac Based primer. That worked very well with NO thinning. Same with lacquer. You really need to toy with all the variables to get it right. Tip size, PSI, fan size, volume control. After a few weeks I started to appreciate the talent of the guys who spray cars for a living ... and Charles Neil!

One other thing. Cleaning is sure a breeze. Especially if you need to use a solvent.

I hope this helps.

Re: Accuspray Spraygun Experience

Woodie49

How hard is it to get used of having up top like That? Seem like it would be hard!

Re: Accuspray Spraygun Experience

Barry Irby

Two things....

I thought it would be hard to get used to the cup on top, but it is not. The cup has a collapsible liner. When you start to spray, you initially turn the gun upside down and spray out the air until there is none left in the cup and it starts to spray. After that, you can spray with the gun in any position, right side up, upside down or sideways. It's a beautiful thing. The cup and liner are clear so you can see whats happening.

And, for those who want to spray really thick stuff, you can remove the builtin screen in the cap. The caps are disposable so the next one you use will have a new screen in it. Being a tightwad I use the nozzles, cup liners, and caps over and over until I can bring myself to dispose of them. I keep lacquer in the gun most of the time and pick it up and use it at random intervals. Allows me to pre-finish or prime certain things that are difficult to get to later.

Re: Accuspray Spraygun Experience

Woodie49

Where's a good place to get one?

Re: Accuspray Spraygun Experience

Barry Irby

You can buy them on E-bay or Amazon and Auto parts stores. I think I got some parts of it at NAPA. The kits contain several nozzles or tips of various sizes. Play with them to figure out what size you need for what you are spraying and then buy a few spares. Same with the cup liners and caps.

Re: Accuspray Spraygun Experience

Woodie49

Does anyone know what the compressor requirements are for the 3M Accuspray gun? Can't seem to find it on 3M's Web Site.

Air Hog

Mark Mandell - Gone Round In New Jersey

Specs show the model with the replaceable "front end" atomizing heads is 13 CFM.

https://www.finishsystems.com/collections/spray-guns/products/3m-accuspray-hgp-hvlp-gravity-pressure-feed-spray-gun

Seems aimed more at the auto body shops rather than woodworkers' finishing.

It needs a lot of air, even at 20 PSI.

Re: It needs a lot of air, even at 20 PSI.

Woodie49

So I take the one I have ( Porter-Cable 2002 0.8 HP 6 Gallon Oil-Free Pancake Air Compressor ) is to small ?

Too Small?

Mark Mandell - Gone Round In New Jersey

"That's What She Said"

Re: It needs a lot of air, even at 20 PSI.

Barry Irby

I run mine on an old Craftsman 20 (?) gallon compressor, probably 6 cfm. I spray pieces of furniture. I have never thought it was starved for air.

OTOH, All the videos I have found on it are definitely aimed at auto body work. I am still learning to avoid over spray, but with lacquer the gun can be dialed way down.

I have run it on a pancake compressor but I think somewhat bigger would be better.

Re: It needs a lot of air, even at 20 PSI.

Woodie49

This is what 3M said: Thank you for contacting 3M, where we apply science to life.

In order to properly run the Accuspray guns, the compressor needs to have at least 13 CFM (cubic feet per minute). Anything less than that will not give sufficient air flow and will cause sputtering of the paint. Let us know if you have any other questions or concerns.

My suggestion

Stephen Roth

I'm an IP attorney and spend a lot of time figuring out technology. So I go overboard with research, even on things like which screws to use. I probably watched 100 hours of videos before I bought the Accuspray, and even then, this was almost a test purchase because I didn't want to commit to the price of the Devilbis / ANI guns. FYI, "The Gunman" videos are the most informative comparison videos.

I have an 80 gallon 5HP compressor. (Not a brag. I just want you to have a reference.) I have no way of calculating the CFM coming out, but found that my compressor was recycling way more often with the Accuspray than with air hogs like dye cutters and grinders. I think the "H" in HVLP is a real thing!

Now my experience may be because I was painting a large cabinet and back with thick GF milk paint. So if you are stopping and starting on small pieces, or using lacquer, your mileage may differ.

So here is a suggestion I did that helped me a lot. ... Go to Harbor Freight and buy one of the $9.99 HVLP purple guns and test it out on cardboard just so see if your compressor works. It is almost the same price of one PPS cup and replaceable Accuspay tip. And if that works, splurge for the Accuspray. If the HF gun doesn't work for you, I doubt the Accuspray will be much better.