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Understanding Tip Wear and Orifice Enlargement

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5 TIPS on airless spray Tips.

What happens here

The inside of a paint sprayer tip is made of a durable carbide material. However, as paint is sprayed, especially abrasive types, the orifice within the tip gradually wears down and enlarges. Research from a major manufacturer indicates that a 515 tip can become a 517 tip after approximately 20 gallons of paint, and further wear can transform it into a 519 tip after 60-80 gallons. This enlargement directly impacts the spray pattern, making it wider and less precise than intended.

Goal: This step explains how the carbide material inside paint sprayer tips wears down with use, causing the orifice to enlarge and consequently altering the spray pattern.

Tools and materials

  • Paint Sprayer Tip
  • Paint

What they say

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So, now let's talk about your tips, how often you should replace them, and why you should replace them when they need to be replaced. So, a tip itself, the inside of a tip, it's got a carbide material, the little orifice right there. And we talked to one of the major manufacturers that manufactures these tips. They did some studies on these tips. And with a lot of different paints and products in all the tips across the board, at about 20 gallons, a 515 tip became a 517 tip. And that was pretty standard with all the tips. So, what this is telling you is the Orphice is getting bigger really fast. So after 20 gallons, a 515 is now a 517. And so it was rapidly wearing the tip out and then it kind of started to taper off, you know, and didn't wear it out as fast. But after about I think it was somewhere around 60 to 80 gallons, it was like a 519 tip. So that orifice is getting bigger and it's changing the pattern of the the spray pattern of the tip. Right.

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