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What about oil leakage after the electric sewing machine head turntable clip? There are three main oil leakage parts: ① oil leakage and oil dumping at the needle clamp guide rod;(2) oil leakage at the sealing guide plate of the rack leads to the oil dumping of the teeth;(3) excessive oil supply at the guide seat of the upper bending needle causes the upper bending needle to drain oil to the needle plate or teeth.The following introduces the oil supply situation of these three places one by one and how to prevent oil pollution.From the original design ideas,There is an iron cover at the lower part of the exposed needle clamp guide rod,You can catch and guide the excess oil in the guide sleeve of the needle rod,It is also used for lubrication of the upper bending needle clamping shaft guide frame;In fact,Because the needle clip guide sleeve moves up and down along the guide rod at high speed,So lead away,This leads to cloth pollution.The principle of oil supply and the source of residual oi

How to change the three electricity of the sewing machine to two household appliances? Hello!Industrial sewing machines use three-phase electricity,To change to single-phase,As long as any two lines in the three lines are connected to 10-20 μ F/400 V capacitor (500 W or more to 15 μ F ),You can access 220 v ac at each foot that is not connected and connected to the capacitor.The other end of the capacitor is reversed.Find out the three windings of motor A/B/C first,A/B winding is the main coil,The c winding is connected to the capacitor as the auxiliary coil (the capacitor size depends on the power of the motor ),Can be used on 220 V,However, the output torque of the motor will be reduced by 1/3.You made a mistake,The sewing machine has no three-phase electricity,It's three plugs,The one in the middle is the grounding wire,Can not,Only N on both sides,L can.Three-phase electric sewing machine can't into two-phase electric sewing machine.The so-called three-phase electricity refers to the three-phase fire line

Wastewater treatment, air flotation and sand filtration still have a lot of fine slag flowing out, how to filter it out? Deal with some suspended matter by means of coagulation and fine sand filtration;The current problem of air floatation filter effect is to find the original gas in the original treatment process--