Mold Components

COLLAPSIBLE CORE, EXPANDABLE CAVITIES Table of Contents

COLLAPSIBLE CORES DURA Core Collapsible Cores

ADVANCED SOLUTION FOR MOLDING THREADS Introducing DURA CORE, an innovative collapsible core solution: a ground breaking two-piece spring collapsible core designed for precision and longevity. This advanced collapsible core features a unique sequential collapse mechanism, where the larger and smaller segments operate independently. This distinct design ensures stress-free movement of the smaller segments, significantly enhancing the life-span of the DURA CORE. Our team of DME engineers will meticulously review each part model to tailor-design a DURA CORE that perfectly aligns with your unique application requirements. Utilizing our exclusive patented design, every DURA CORE purposefully eliminates interaction between the larger and smaller segments throughout the collapsing process. This ground breaking characteristic not only prolongs the core’s durability but also promotes the production of premium quality parts.

DURA Core Collapsible Cores . ....................... 91-93

S-Core Collapsible Cores ................................. 94-96

Standard Expandable Cavity Systems Cost Savings & FAQ.......................................................97 EX-CAV™ System & Mounting Kits..................................98 Technical Information.....................................................99

DURA CORES, with their compact design and shorter safety ring, enable effortless cleaning and maintenance. The innovative construction enhances cooling, reduces the overall length, and results in a more compact footprint. Ultimately, the DURA CORES lead to the creation of smaller, simplified molds and elevate part quality. The DURA CORE’s two-piece design drastically reduces collapsible core maintenance, a common challenge with traditional spring collapsible cores.

SPRING COLLAPSE COMPARISON

Custom Expandable Cavity Systems Features and Benefits..................................................100 Components................................................................. 101 Typical Applications 102 Cavity and Striker Insert Design 103 Operating Sequence ....................................................104 Application Guidelines.................................................105 Quote Request Form.....................................................106 Expandable Cavity Application Data Plastic Part Design.......................................................107 Typical Mold Layouts...................................................108

DURA CORE

OTHER SPRING COLLAPSIBLE CORES

Up to 11% undercut on top

8 10

2 4 6 8 10

Failure free segments

Optimized cooling

2 4 6

Zero contact during motion (no wear & tear)

Ease of cleaning & maintenance

Reduced overall length

Compact footprint

Short safety ring

U.S. 800-626-6653 ■ Canada 800-387-6600 ■ . Mexico 52-442-713-5666 ■ . dme.net ■ store.dme.net

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