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Seasky Tooling plastic mold ejection system design

Seasky Tooling plastic mold ejection system design and mold making

  • All of the ejection pin have to be DME or HASCO standard for all of the export injection mold, ejection pin head can not be grinding.
  • There must be a corresponding word mark between ejection pin and ejection plate for injection mold assembly.  All lettering direction should be the same.
  • General requirements for top surface of ejection pin need sag product surface of 0.05 mm, in addition to special customer requirements.
  • All non flat ejection pin and ejection blade must be positioning, first choice positioning solution is A as below picture show.
Ejection pin and ejection blade positioning

Ejection pin and ejection blade positioning

  • Ejection pins on the angular surface have to be made non slip groove on the top angular surface of the ejection pin.
  • If there is ejection pin located on the parting line of injection mold, at the bottom of return pin in mold base have to be added spring as below picture show.
Spring at the bottome of return pin
Spring at the bottome of return pin
  •  Delayed ejection for automatic production when we are limited on side gate.
Ejection runner pin design for automatic production

Ejection runner pin design for automatic production

  •  The countersunk hole depth should be deeper than the height of ejection pin or ejection blade head 0.05mm.
  • How to locate ejection pin on plastic product pillar? Ejection sleeve and ejection pin location design.

 

Ejection pin on plastic produt long pillar

Ejection pin on plastic produt long pillar

Ejection seleeve design on plastic product long boss

Ejection seleeve design on plastic product long boss

Ejection pin design on plastic product short pillar

Ejection pin design on plastic product short pillar

Ejection pin design on plastic product short boss

Ejection pin design on plastic product short boss

  •  Ejection pin on plastic product rib.
Ejection pin location on plastic product rib

Ejection pin location on plastic product rib

Send us email for  plastic injection mould making and plastic injection molding  inquiry now:

Email box :  make@plastics-mold.com

We will replay you within 12 hours

 

 

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