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Thread: Spray Guns

  1. #1
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    Default Spray Guns

    Hi,
    I am looking to purchase a new Spray Gun and want to know what you use and experiances.
    I am looking at using it for touch-ups and projects and will be mainly using Enamel Paints.
    The Compressor I have delivers 16.1 CFM/455 L/min and has a tank size of 58 Liters.

    Keith_W

  2. #2
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    Default El cheapo touch up gun

    Hi Keith,

    I recently purchased a $40 Chinese touch up gun. Whilst it looks like a well made item, I had a lot of trouble spraying enamel paint with it.

    This may well be caused by not thinning the paint, not having the correct pressures, or some other reason.

    They are a bugger to clean, with many parts that have to be stripped down. This probably pertains to every other paint gun.

    Where ever possible, I use my Paasche air brush. This pencil like item is a cinch to clean with great control over where you put the paint.

    I've used the air brush to paint my Hercus lathe almost exclusively.

    Ken
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  3. #3
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    Default Spray Guns

    Keith,
    I bought an Iwata gravity feed gun. About $230 on eBay from a bloke in Melbourne. It's magnificent. Sprays clear lacquer and industrial enamels with my little 6.5cfm Clisby comp. Easy to clean by spraying three small amounts of gun wash through it.

    Can chase up model number and seller if you are keen.

    Chris
    Chris

  4. #4
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    Anything by Iwata will be good. I have a few VX-505 model guns and they've never let me down. I keep one gun reserved for hammer-tone paint so there's no chance of cross-contamination with the normal acrylics and enamels.

    I've got a small Star brand gun (GG model) for touch ups which is quite good too.

  5. #5
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    Ueee is offline Blacksmith, Cabinetmaker, Machinist, Messmaker
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    Of the chinese guns the Star are my pic, but they are a bit more than the ones supercheap and bunnings have. I use an Iwata w400 mostly, lovely gun.

    Chris, you cleaning statement has me concerned, after spraying furniture for many years i have seen guns ruined by exactly that. You really need to physically scrub every part of the gun that gets touched by paint to remove it all. A chinese beater, not so bad, but a better gun it can be heartbreaking.
    1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.

  6. #6
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    Default Spray Guns

    Ewan,
    I usually remove the needle and wipe it with thinner. Not always. Ditto the horn shaped bit on nozzle. I'm pretty sure that's all the user manual says to do. Maybe I should check.
    Chris

  7. #7
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    I have Iwata VX-707 (now replaced by AZ10) and a LPS-12 that I have still yet to use. Also have a RG-2 (replaced by RG-3). Have a couple of the Star S-106T/J gravity feed as well.

    Anest Iwata Spray Guns & Air Equipment

    Nev
    Last edited by SurfinNev; 11th Jan 2013 at 09:33 AM. Reason: Corrected Part Number

  8. #8
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    Remember that you need to match the needle and tip size to the type of paint you'll be spraying; it's not one tip suits all - 2.4mm for thick stuff (putties), 1.8 for acrylics, and 1.2 for enamels.

    And for spray gun cleaning....

    How to clean your spray gun - YouTube
    -

  9. #9
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    Great info here fellas, just what I was looking for as well.
    Not meaning to hijack, but I am in the same boat as Keith W, looking for an all rounder spray gun to use with house enamel right down to lacquers, poly and most other liquids I could throw into the pot.
    All I was a bit wondrous about was the needle sizes to use for the different liquids, and voilą, Mr MS has kindly supplied the information.
    Leaning towards an Iwata W400, coupled with my 12cfm compressor should be ok methinks.
    Will have to put a few water traps inline too.
    If an more suggestions are warranted please feel free and thanks for the hijack Keith


  10. #10
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    Default Spray Guns

    Thanks for all the great advice, ask and you get the answers you want.
    I will visit the Iwata Office in Seven Hills and find a good general purpose unit as well as a smaller one just for touch-ups.
    Thanks Master Splitter for the advice on Needle Sizes as I did not know that.
    I will also take care in keeping them clean as has been suggested by many so they will give me years of good service.
    Both wolften and I have appreciated the advice given here.

    Regards,
    Keith_W

  11. #11
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    Heads up on a cheap but reasonable set, from a forum sponsor - WORKQUIP GRAVITY FEED SPRAY GUN

    Gravity feed gun, gun stand + paint filter holder, and 1.4, 1.8 and 2.5mm tip and needle setups. $80. Excellent way to dip your toe in the water, and if you retire it from paint use, it can still be your putty gun.

    Link to car forum post showing its capabilities - spray gun? - Page 2 - calaisturbo.com.au

  12. #12
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    Quote Originally Posted by Master Splinter View Post
    Heads up on a cheap but reasonable set, from a forum sponsor - WORKQUIP GRAVITY FEED SPRAY GUN

    Gravity feed gun, gun stand + paint filter holder, and 1.4, 1.8 and 2.5mm tip and needle setups. $80. Excellent way to dip your toe in the water, and if you retire it from paint use, it can still be your putty gun.

    Link to car forum post showing its capabilities - spray gun? - Page 2 - calaisturbo.com.au
    VG Autopaints run free workshops every month or so I can recommend for anyone who hasn't sprayed before VG Auto Paints

    Iwatas are excellent guns, however the Chinese knock-offs are said to be perfectly acceptable for amateurs and most of the work done. I have a number of guns, including what looks like the one above, and they'll all seem to spray quite well.

    As suggested above, unfortunately (unless you happen to have a gun cleaning station in your workshop) you need to disassemble and thoroughly clean the gun after each use. Just use the same solvent as the paint you were using. Simply spraying a little solvent through it just won't cut it I'm afraid as the air holes get clogged with the paint. It's definitely a PIA, but that's just the way it is.

    Pete

  13. #13
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    Many moons ago I bought myself a Samson S90. Brilliant, and still available, should be in the sub $250 region. Never gave me a lick of trouble, and I have sprayed (auto) acrylic, enamel, and 2-pack. Being a novice at the time the guy in the shop was very helpful and set it up with the 1.8mm tip. Haven't changed the nozzle, get great results from playing with thinning ratio and the knobs on the gun.

    The only issue I have ever had was the trigger spring collapsed, which I replaced with one from a Stromberg carby off a Holden 186

    Have always cleaned as shown in the instructions- clean out pot, fill with fresh thinner, spray on to rag, wipe outside of pot and gun, empty pot, more fresh thinner, spray, remove air horn, clean holes in air horn with toothpick if necessary, and soak air horn in remaining thinner in pot until next use. Never stripped it in 18 years, still works like new.

    I may add that I am extremely pedantic with cleaning and the S90 is cleaned out as soon as I finish spraying and I even wet the internals by spraying thinners before I put paint in the pot. I think more spray guns are destroyed by lazy people leaving them unwashed and sticky with paint overnight... I myself have mourned a few of these

  14. #14
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    Quote Originally Posted by Gerbilsquasher View Post
    Many moons ago I bought myself a Samson S90. Brilliant, and still available, should be in the sub $250 region. Never gave me a lick of trouble, and I have sprayed (auto) acrylic, enamel, and 2-pack. Being a novice at the time the guy in the shop was very helpful and set it up with the 1.8mm tip. Haven't changed the nozzle, get great results from playing with thinning ratio and the knobs on the gun.

    The only issue I have ever had was the trigger spring collapsed, which I replaced with one from a Stromberg carby off a Holden 186

    Have always cleaned as shown in the instructions- clean out pot, fill with fresh thinner, spray on to rag, wipe outside of pot and gun, empty pot, more fresh thinner, spray, remove air horn, clean holes in air horn with toothpick if necessary, and soak air horn in remaining thinner in pot until next use. Never stripped it in 18 years, still works like new.

    I may add that I am extremely pedantic with cleaning and the S90 is cleaned out as soon as I finish spraying and I even wet the internals by spraying thinners before I put paint in the pot. I think more spray guns are destroyed by lazy people leaving them unwashed and sticky with paint overnight... I myself have mourned a few of these

    If you leave them sticky with paint and then leave them outside in the weather for a few months or years this is the result. I bought these two guns plus a reasonable gravity feed gun at a garage sale for $4. The gravity feed gun was set up for putty and in restorable condition so the money was not wasted, these two however are going to take more time than I am prepared to spend, I already have other guns. So if anyone is interested they are available for the postage cost or can be picked up if practical. At this stage I expect to be going to the coming GTG in the mountains so this is another pick-up option.
    Mm.
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  15. #15
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    Quote Originally Posted by Metalman View Post
    If you leave them sticky with paint and then leave them outside in the weather for a few months or years this is the result. I bought these two guns plus a reasonable gravity feed gun at a garage sale for $4. The gravity feed gun was set up for putty and in restorable condition so the money was not wasted, these two however are going to take more time than I am prepared to spend, I already have other guns. So if anyone is interested they are available for the postage cost or can be picked up if practical. At this stage I expect to be going to the coming GTG in the mountains so this is another pick-up option.
    Mm.
    Tool abuse alert!!!! Someone needs a public flogging!!

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