Lubrication application: spray, swab, roller, drip, and why coverage beats volume

Set up a spray bar so coverage is uniform and dwell matches the cycle, tell a wet die from a lubricated die, and read the four classic application failures off the die face.

7 min readLesson 6 of 13

Knowledge check

Night shift reports parts sticking on the same H13 forge die that day shift was running clean. The operator dials lube volume from 200 ml/cycle to 350 ml/cycle and the sticking stops for an hour, then comes back. What is the wrong assumption baked into the volume increase, and what would you actually check?