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Highly polished cores for injection moulding

Tool and mould making TruPrint Tool steel Additive Manufacturing

Printed results for highly polished cores made out of H11 using the 500 °C preheating option are crack-free with densities in excess of 99.9%. Polishing properties are also high with no difference to conventional production. Cooling performance is comparable to copper. However, integrated conformal cooling channels have enabled stable plastic parts production in injection moulding. Plastic handles produced for an operating room light are able to be produced with a significantly reduced cycle time.

Highly polished core in additive manufacturing design

Conformal cooling of the additive manufacturing design

Conventional cooling of the copper insert


Polishability
Crack-free
Density > 99.9%

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Facts & figures about the example part

Material: 1.2343 / H11

Weight: 500 g

Construction duration: 13.9 h 

Number of layers: 2,722, ea. 60 μm

Created by: Bretthauer / HOTEC

In terms of polishability, no difference to conventional steel could be determined.

HOTEC // Reinhard Bretthauer GmbH

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TruPrint 5000
TruPrint 5000

The highly productive, semi-automated 3D printing system TruPrint 5000 prepares you for industrial batch production –  with features such as optional 500 °C preheating and the full-field multilaser equipment with three 500 watt TRUMPF lasers.  Thanks to the preform option, the TruPrint 5000 supports hybrid component production. For this purpose, the component structures to be additively manufactured are applied to a blank.

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