【LIFTER】

  • In essence: a combination of the ejection mechanism and the side-core pulling mechanism.
  • Stroke：S=undercut+（1～3）mm
  • Thickness：8～12mm
  • Angle：not more than 15°
  • Ejectors are allowed to place near the lifters.but not too many.

mold lifter design

1、【lifter without base】

mold lifter design

mold lifter base design
mold lifter base design

      

Thickness (D)＝S (undercut)＋（2/3Ø）mm

Width (W)≥12

（If the width less than 12mm,use lifter with base）

2、【Lifter with base】

Stop block：Steel 738

Base：can install several lifters

 

 

 

mold lifter design
mold lifter design

mold lifter design

【lifter material】

  • if main inserts use pre-harden steel,then lifter use 1.2344 for plastic injection mold
  • if main insert use harden up steel,then lifter need azotizing process （718H、2316H）

lifter design

Below is a mold lifter animation from our relative company,their website www.ecomolding.com

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