Project Description

Collapsible Core Injection Molding Molds

Collapsible core injection molding moulds manufacturer Upmold offers internal undercut injection molding & tooling, from part design, tooling design, molds making, tooling trial and producing.

  • internal undercut injection molding
  • collapsible core injection molding
  • collapsible core mechanism design and manufacturing
  • dovetail collapsible core custom
  • collapsibility of core tooling building
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collapsible core mechanism collapsible core mechanism
collapsible core mechanism collapsible core mechanism
collapsible core mechanism collapsible core mechanism
collapsible core mechanism collapsible core mechanism
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Collapsible-core-injection-molding-Mold design Collapsible-core-injection-molding-Mold design
Collapsible-core-injection-molding-Mold design Collapsible-core-injection-molding-Mold design
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Research in details
2D mold design drawing

Collapsible Core injection mold parts

Collapsible core injection molding applies on plastic injection molding and extrusion, that is good for the parts what inner cavity dimension is bigger than outer dimension, it could demould quickly and successfully when injection and extrusion, such as pipe/fittings with collapsible, instrument shell, sealed gate. etc.

Collapsible core technology characteristic:

  1. Ingenious structure, moving and demoulding in limited space
  2. High precision and consistency for components
  3. Cool machining technology for material with high hardness
  4. Security & reliable mechanical structure for multi-cavities injection mold, and make the tooling size smaller.

The collapsible core having a straight pin improved stability of the collapsible core segments improving the dimensional accuracy of the molded part. The pin diameter matches the inside diameter of the segments and by being contained by a stripper or containment ring matched to the outside of the segments the pin and the segmented sleeves are self-centering and extremely accurate.

Shorter and spring-loaded segments reduce the possibility of injection pressure opening the segments. This reduces the time for injection and reduces cycle time. The increased contact area between the pin and the collapsible core segments improves mold cooling allowing for faster cycle times. The change of shape of the contact area between the segments and the pin, rounded surfaces moving across flat surfaces, reduces wear allowing for less maintenance.

collapsable core

General Mould For Reference

Items Description
Mould Core DIN2312,2738,2344,718,S136,8407,NAK80,SKD61,H13 etc.
Hardness of steel 46~56 HRC
Molud Standard HASCO,DME,MEUSBURGER,JIS,CHINA LKM Standard
Mould Base LKM&Hasco&DME standard (A,B plate 1730,2311,2312,P20 )
Cavity Single/Multi
Runner Hot/Cold Runner
Maximum Mould Size 1500*1500 mm
Surface of Mould EDM / High Polish&Texture
Plastic material PP, PC, PS, PE, PET, POM, PA,PU, PVC, ABS,HIPS, PMMA etc.
Mould Life 300,000-1,000,000 shots
Specification Depends on customer’s requirements.
Surface Treatment Polish,texture,painting,screen printing,turnkey project
Trade terms FOB Shenzheng,EXW ,CIF
Export to Europe countries,USA,Mexico,Australia ,Middle-east ,Asia etc
Mold hot runner DME, HASCO, YUDO,etc
Mold cold runner point gate, side gate, subgate, tunnel gate,banana gate, direct gate ,etc.
Mold hot treatment quencher, nitridation, tempering,etc.
Surface finish of Part Logo print,Texture,Polishing,Painting,Chrome Plating
Delivery time 20-35 Days
Outside package Standard wooden casesor as your requirement
Inner package Stretch waterproof film & Each Mold painted ,anti-rust oil.3. Spare parts together with the mold shipment.
Mold cooling system water cooling or Beryllium bronze cooling, etc.
Items Description