He grabbed his flashlight and peered into the machine's guts. The usual suspects: a stuck way cover, a dull tool, a brake that forgot to release.
He popped open the lubrication panel. The oil level was full, but the sight glass was milky. Water contamination. Someone had left the coolant nozzle pointed at the lube tank cap. Over a weekend, the fine mist had condensed inside, turning the grease into a pale, sticky mayonnaise. fanuc 224 alarm
He typed in MDI: G91 G01 Z-10. F500. Cycle start. He grabbed his flashlight and peered into the machine's guts
"Eight hours? The SpaceX job is due tomorrow!" The oil level was full, but the sight glass was milky
First, he checked the tool. The carbide end mill was still sharp. Not that.
The bearing was dragging. The servo was pushing harder and harder to overcome the friction, and the encoder kept reporting, "Boss, I’m only at X=2.034, not 2.100 yet." After a few milliseconds of this argument, the Fanuc software pulled the plug.
The owner, Mr. Kowalski, a bear of a man with forearms like hams, waddled over. "How long?"