PTD01 Internal Lacquering Machine 1. Application and operating principle PTD01is internal lacquering machines which sprays epoxy phenolic lacquer on the inner surface of tubes to protect aluminum from forming any chemical reaction with the contents filled inside. Germ tubes from annealing oven drop into the tube slot and then are pushed into sprayer cup plates by push rod. The first spray gun stretches into tubes and blows out compressed air, eliminating dust and impurities. Germ tubes then rotate with turntable and move to the next station. The second spray gun sprays fluid while cup plate rotates at high speed under the drive of flat belt to make the fluid cover the internal wall uniformly. cup plate moves to next station and repeats the former action to finish the second spraying. Usually, the first spray focuses on side walland the second straight injection.
2. Main features
PLC and Ferguson indexer control frequency and speed.
New type of spray gun can spray precisely and works with stable pressure.
Each spray gun can be controlled alone and set according to client's needs.
Exhaust cleaner of high power can make sure the working process is safe and without pollution.
The good self-inspection system can ensure that each tube should be sprayed. If the tube does not work well, the machine would stop working automatically.