Black ABS V0 → Natural PP

Black ABS V0 → Natural PP

Material change & carbon removal on 750 Tonnes Injection Moulding Machine

The Process

Start up with Barrel Blitz Universal

Indication of poor shut down procedure

Black ABS V0 Natural PP purge process
Black ABS V0 Natural PP purge process

Max Back Pressure = More carbon

Indicates Heat sensitive materials processed

Black ABS V0 Natural PP purge process

First two shots; zero specs

Black ABS V0 Natural PP purge process
Black ABS V0 Natural PP purge process

First 12 acceptable mouldings, still no colour/carbon

Black ABS V0 Natural PP purge process

1 hour production

50 products

0 black specs

Black ABS V0 Natural PP purge process

Results

Normal results:

  • Purge with 30 kg of PP
  • Pull and clean nozzle
  • Black spec/colour lines for 3 hours: 171 kg

 

Aquapurge results:

  • 25 kg Barrel Blitz Universal
  • 25 minutes
  • 0 black specs

 

One Year on:

  • Refined shut down procedure
Black ABS V0 Natural PP purge process

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