The cutting fluid is also used in the process of metal tapping. Tapping is the next step of metal drilling. The main purpose is to make the outer surface of the metal bar into a thread shape.
The tools used for tapping are not the same as drill holes. Drills generally use a drill gun, while tapping uses a tap. The tap has something in common with the drill, which is that there is often a groove in the inside of the tap, which is responsible for transporting the cutting fluid to the taper of the tap. However, the speed of tapping is slower than that of drilling, so the low foaming performance of the cutting fluid is lower than that of the drilling fluid, and the lubrication performance requirements are still similar.
The general tapping material is stainless steel. In the requirements of stainless steel cutting fluid, more attention is paid to the lubricating performance, cooling performance and cleaning performance of the cutting fluid. The requirements for anti-rust performance are not very high. There are two ways to machine: cutting and tapping.
Cutting and tapping will produce chips, which require the lubricating fluid to be less lubricated than extrusion. However, stainless steel extrusion tapping will not produce chips, resulting in large friction, requiring the cutting fluid to be lubricated better than cutting. Much higher. Therefore, the specific method of tapping should be considered according to the materials and requirements of the materials processed, and the advantages and disadvantages of various aspects should be comprehensively compared, and the appropriate metal cutting fluid and tapping processing method should be selected.
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