oil
The amount of oil and The Times of oil injection depend on the conditions of the processed materials.Cold rolled steel plates, corrosion resistant steel plates and other materials without rust and scale, the mold to oil, oil injection point for guide sleeve, oil injection mouth, knife body and guide sleeve contact surface, lower mold.Use light motor oil for oil.
Rust scale materials, processing the rust powder inhalation between the punch and guide bush, dirt, make the punch can not slide freely within the guide bush, in this case, if the oil, make rust scale is more likely to touch on, so when this material, on the contrary to wipe off the oil, decomposition time per month, with gasoline (diesel) oil remove the punch and die under the dirt, reassemble the former clean again.This ensures good lubrication of the mold.