Cold Slug Pockets / Pullers

 

Function:

 

  1. capture any cold slugs that are formed in the nozzle

  2. pull the sprue when the mold is opened and the part is ejected

 

 

 

Risk:

  • passed Cold slug cause poor quality in parts

     

Design:

 

   Puller types:
1  circular groove
 2  Z–shaped puller
3  with a cone
4  with a knob (only for amorph materials= no place for cold slug)