40 minutes, 25 seconds, 20 seconds There are generally three time controls for oil pump lubrication in Hangzhou Youjia vb825 machining center. One is to set the refueling interval to about 15 minutes, the other is to set the refueling duration to 25 seconds, and the last is to set the oil pressure detection time to 20 seconds, which is 5 seconds less than the refueling duration). It can be set to 40 minutes, 25 seconds and 20 seconds respectively. Oil coating is a kind of oil that can reduce the friction of mechanical equipment or friction pairs, such as gear oil and anti-wear hydraulic oil.