Evaluating the Suitability of Alumide Tooling for Injection Moulding of Different Polymers

Combrinck, Jacques; Walt, Kobus van der; Booysen, Gerrie; Beer, Deon de

doi:10.7166/29-3-2075

Cited by 3 publications

(3 citation statements)

References 11 publications

(13 reference statements)

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“…Rapid tool inserts manufactured from Maraging steel has shown to be a good candidate for injection moulding mass production runs, however, manufacturing costs are high when compared to subtractive manufacturing processes [6]. SLS inserts manufactured from polymer-metal composites such as Alumide ® have shown to be a viable alternative to DMLS maraging steel inserts where injected polyamide temperatures do not exceed 230˚C [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

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How SLA rapid tooling is influencing medical device development

Plekker

2022

MATEC Web Conf.

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Medical device product development includes the validation of the end-product before mass production can commence. This validation should be completed with a device that is manufactured from the final material and with the final manufacturing process. For plastic medical devices, Rapid Tooling can be used to manufacture parts for clinical validations at a cost-effective price. Further tooling cost reductions can be achieved if Stereolithography (SLA) is utilized to create injection moulding tools. This article determines the efficacy of SLA printed rapid tools to injection mould small plastic medical devices.

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Section: Introductionmentioning

confidence: 99%

“…SLA rapid tools are becoming increasingly cost-effective as desktop 3D printers are becoming readily available [17]. Moreover, SLA rapid tools exhibit a smooth surface finish when compared to SLS and DMLS mould inserts without surface post-processing [7,17].…”

Section: Introductionmentioning

confidence: 99%

How SLA rapid tooling is influencing medical device development

Plekker

2022

MATEC Web Conf.

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“…Nearly all mass-produced plastic products are formed using dies and moulds [2]. The injection moulding process is one of the most popular methods used to produce complex products in large quantities [3].…”

Section: Introductionmentioning

confidence: 99%

Cost-Effectiveness of Direct Metal Laser Sintered Maraging Steel Inserts for Plastic Injection Moulding Process

Combrinck

Booysen

et al. 2019

SAJIE

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This paper describes an investigation into the possible heat transfer benefits of conformal cooling channels using maraging steel MS1 inserts, which could result in a reduction of cycle times and cost per product, and improve part quality by eliminating defects such as warpage and heat sinks. A manufacturing cost and lead-time comparison showed that a conventionally manufactured insert reached its break-even point after fewer injection moulding cycles than an additive manufactured insert, due to its lower manufacturing costs. During high-volume production, the additive manufactured insert becomes more profitable to use, due to its shorter cycle times.

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