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How to Clean an SMT Nozzle?

Cleaning SMT (เทคโนโลยีการติดตั้งพื้นผิว) nozzles is super important for making electronics. Nozzles help place tiny parts on circuit boards, and keeping them clean means fewer mistakes. Let’s talk about why cleaning is needed, what to use, and how to do it.

Why Clean SMT Nozzles?

You need to clean SMT nozzles because:

Tiny Parts: SMT parts are really small. Any dirt can mess up how they’re placed.

Close Spaces: Parts are placed very close together. A dirty nozzle can cause parts to stick or go in the wrong spot.

Lead-Free Solder: Using lead-free solder can leave more residue. Cleaning helps keep things up to standard.

What Solvents Should I Use?

Here are some good options for cleaning:

Isopropyl Alcohol (IPA): Great for getting rid of flux and dirt.
Acetone: Works well but can damage some materials, so be careful.
Special Cleaners: Some companies make cleaners just for nozzles, which can be really effective.

How to Clean Nozzles

Here are a few methods to clean SMT nozzles:

1. Dry Cleaning

Good for: Quick jobs with light dirt.
Not so great for: Heavy residue; it can create static.

2. Wet Cleaning

Good for: Stubborn dirt; you can use it with ultrasonic cleaning for better results.
Not so great for: Takes time to dry and needs safety care with solvents.

3. Ultrasonic Cleaning

Good for: A deep clean without hurting the nozzle.
Not so great for: Needs special equipment and can take longer.

4. High-pressure water mist nozzle cleaning machine

Broken water into extremely tiny high-pressure water mist.
It propagates at the speed of sound to generate kinetic energy.

And then it is sprayed onto the nozzle, forming a continuous energy field above the nozzle when cleaning SMT nozzle,
completely washing the dirt on the surface and inside of SMT nozzle for PCB assembly.