Ball Screw: For the lubricant, we use THK AFG Grease specifically designed for ball screws.
It is generally recommended to use grease specifically designed for ball screws.
Here is the link to the product we use: https://www.thkstore.com/products/lubrication/lubrications/afg.html
“AFG Grease is a high-grade grease for Ball Screws that utilizes a high-grade synthetic oil as the base oil and a urea-based consistency enhancer. It excels in low heat generation and can withstand a wide temperature range from low to high temperatures.”
Sliding rail on X, Y and Z axis: For lubricating the rails, you may use any White Lithium grease.
Generally, it is recommended to inspect and grease your ball screws and rails every 1-2 months.