Recommendable Cleaning Process
Plastics purge with Injection Molding Machines
Please follow the procedure below.
Finish molding.
Purge the remaining plastics.
Set the back pressure zero,
throw CELPURGE in.
Repeat mete
and purge to clean the inside of cylinder.
Put the subsequent material into the hopper.
Repeat metering
and purging to change over.
Start injection molding.
Recommendable machine settings
For cleaning the cylinder of injection machines, consecutively perform the “1st cleaning/Basic cleaning” and “2nd cleaning/Nozzle cleaning” shown below. The purging times or other conditions in the table are rough standard. Please adjust them to the plastics you use or the dirt of your machines.
| Number of mete & purge | Machine settings | ||||||
|---|---|---|---|---|---|---|---|
| Metering position | Barrel temp | Screw rotation | Injection speed | Injection speed | Back pressure | ||
| 1st. cleaning: Basic cleaning | 5 - 10 | Same as preceding setting | Same as preceding setting | 70% of MAX. (*) | 70% of MAX. | 70% of MAX. | 0 |
| 2nd. cleaning: Cleaning nozzle | > 15 | Approx. 30mm | |||||
(*) Be sure the torque of screw is not too high.
When it seems that the whole barrel cleaning is necessary, set the metering position maximum.
Basic Cleaning Procedure of CELPURGE / 3:16 
You can also download video files. 「Technical Documents」
