Fakuma 2017

Innovative collapsible core to demould parts easily

| Editor: Briggette Jaya

The patent-pending collapsible core from Strack Norma is manufactured with an additive- manufactruing process using the metal laser-sintering method.
The patent-pending collapsible core from Strack Norma is manufactured with an additive- manufactruing process using the metal laser-sintering method. (Source: Strack Norma)

Components – Germany-based Strack Norma says it will showcase at Fakuma a 3D-printed, collapsible core – the first one ever, the company claims. For this patent-pending collapsible core, the standard parts expert notes that an optimised cooling system that shortens cycle times and improves part quality is achieved with an additive-manufacturing process.

According to Strack Norma, the metal laser-sintering method prints three-dimensional shapes layer by layer, enabling collapsible cores to be designed in a totally new way. A spiral-shaped cooling duct allows for consistent heat dissipation, while a high level of contour proximity ensures fast cooling. The 3D-printed collapsible core thus offers high part quality and fast cycle times, thereby cutting costs. The collapsible core is compatible with both water cooling and oil cooling, which provides convenient deployment in all types of tool construction.

This innovative product demoulds parts with up to 17% undercuts and is available in diameters of at least 40 mm, the company adds. In final processing, the 3D collapsible core is given a DLC layer on the inner core and guide rings to ensure very smooth-running performance.

The company booth at Fakuma will be in Hall A2, Booth 2302.

Strack goes Amazon

Distribution

Strack goes Amazon

06/28/2017 - Strack Norma, a producer of standard parts for the tool- and mouldmaking, wants to tap into a new distribution channel. The company declared that they will offer their products on the B2B-portal Amazon Business. read...

Collapsible cores are indispensable in injection-moulding and pressure-cast methods where undercuts such as threads in bottle caps prevent simple ejection of injection-moulded parts. If the part is cast around a collapsible core, the collapsible function ensures that the part does not become caught up when ejected and can easily be demoulded.

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