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Lifespan and Wear of Spray Tips

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What Airless Spray Tip Is Right For You? What Do The Numbers Mean?

What happens here

The lifespan of a spray tip is limited by the abrasive nature of paint fillers. Fine-finish tips typically last for about 20 gallons of paint before the orifice wears out. Production tips last longer, generally around 60 to 80 gallons. When a tip wears, its orifice size effectively enlarges, changing the spray pattern from an oval to a more circular shape and reducing atomization. This results in larger paint droplets and increased overspray and fallout, leading to poor finish quality and significant cleanup issues. It's crucial to replace tips when they are worn out to maintain quality and control.

Goal: Understand the lifespan of spray tips and the impact of wear on spray quality and overspray.

Tools and materials

  • Fine Finish Tip — Achieving smooth finishes (has a shorter lifespan)
  • Production Tip — General painting tasks (has a longer lifespan)
  • Paint — The abrasive qualities of paint accelerate tip wear

What they say

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like really quick you know how long does a tip last you'll find finish tips about 20 gallons and the tip in orici size are blown out your production tips on average almost all production tips about 60 to 80 gallons you know they're worn out and blown out what does that mean the Orit size actually is as soon as you start spraying uh paint through an airless tip uh there's you know Clays and um fillers in all paints that act as abrasive like a sandpaper they start sanding basically the orice size you know um of an airless tip and enlarging the Orit SI making it bigger and uh changing the pattern so an heiress tip typically has like an oval spray pattern as the Orit size gets larger that oval um starts to turn circular then your droplets of paint get large a lot larger and um they're not atomized as well and the pattern begins to change and that happens pretty rapidly you know with uh uh tips one major manufacturer that I um you know spoke to they tested all the tips across the board and one of the studies showed that even with theirs um like a 517 tip within uh 20 gallons was uh blown to a 517 tip So within 20 gallons it already changed a whole tip size Orvis wise and then then that kind of like um the curve started to you know fall off from there and it didn't wear the tip out as fast as the first 20 gallons but you got to know it does change so if you're concerned about overspray using blown out tips you're going to have a lot of overspray you're going to have a lot of Fallout so don't use the tips longer than you should you know if you're concerned about overspray

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