Lead screw rust removal best practices?

CrossFire ® General Discussion
1

Guys, I’m in the southern Philippines and rust removal/prevention is a daily concern. My Crossfire has light rust on the lead screws. I plan to remove them, de-rust them and preserve with Odie’s Oil. What practices should I follow with the removal, reassembly of the lead screws?

Thanks in advance.

2

You might find that vinegar will do well for you. If really bad, I would take the screws off the table and wrap with clean cloth or paper towel, soak it with vinegar and cover with plastic wrap. Check it in 8 hours (assuming it is table vinegar). If it is 20% or stronger, I would probably check in 4 hours. Use a very gentle scotch pad. Rinse really well with water.

Some people use WD-40, some use graphite and some use silicone spray once it is clean. Each time you use the table, give the lead screws a rinse with clean water, blow dry and then recoat with the lube of your choice. That should keep the rust down.

I assume you don’t have the active z screw??? If you did, you have to limit any water or oil on the IHS contact points. Langmuir recommends graphite for this lead screw.

Edit: Sorry, I did not read that carefully. Go to the assembly instructions and that will get you on track:
https://www.langmuirsystems.com/crossfire/assembly

3

Thanks much for the answer. I have a superb rust remover recipe if you want it.
Don

4

Never hurts to have options. Please and thank you!

5

The recipe:

  • Per 1L of H2O
    1: 100grams Citric Acid.
    2: 40grams Sodium Carbonate / 63Grams Sodium Bicarbonate / 30grams Sodium Hydroxide.
    After reaction has completed, add final ingredient.
    3: Arbitrary amount of liquid dish soap.

NOTE: Sodium carbonate is the only second ingredient needed. The sodium bicarbonate and sodium hydroxide are listed in case sodium carbonate is unavailable.

2 Likes
6

You are now a book mark for me:

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7

Cool. It’s just as good at mill scale removal as well. Amazing stuff.

8

Jim, it might be a good idea to add this note: NOTE: Sodium carbonate is the only second ingredient needed. The sodium bicarbonate and sodium hydroxide are listed in case sodium carbonate is unavailable.

9

Rust rush remover could be the way to remove it, I have faced that problem before, then it’s really boring. That’s why I decide to remove it with some products.