Additive manufacturing of H13 tooling element with conformal cooling channel using MIG cladding

Legesse, Fisseha; Kapil, Sajan; Vithasth, Hari; Karunakaran, K. P.

doi:10.1504/ijrapidm.2018.10010809

Cited by 3 publications

(2 citation statements)

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“…It was found that the only situation where cracking could be avoided was to apply a pre-heating and a post-weld annealing. Legesse et al [30] used a hybrid CMT-milling approach to manufacture an AISI H13 die. It was found that the workpiece could be manufactured avoiding cracks by using a pre-heating system.…”

Section: Test Casementioning

confidence: 99%

Design and Testing of a WAAM Retrofit Kit for Repairing Operations on a Milling Machine

et al. 2021

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Repairing, remanufacturing, and refurbishing high value metal components are crucial to move towards a more sustainable economy. Nowadays, repairing operations on high value parts, such as dies, are generally performed using time-consuming manual approaches that rely on the operator’s expertise. The research idea of this paper is to develop a retrofit kit to provide additive capabilities to an existing milling machine, allowing automatic repairing of components thanks to a fast switch between additive and machining operations without a relevant economic investment such the acquisition of a brand-new machine: the final cost of the solution is lower than 10% with respect to the mean cost of a 5-axis milling machine. The additive technology used in this work is Wire Arc Additive Manufacturing (WAAM) that is characterized by a higher deposition rate and a simpler and cost-effective equipment with respect to other techniques (e.g., laser cladding). The design of the system is illustrated in the paper together with the analysis of the results achieved repairing a test case: a die casting mold made of AISI H13 tool steel.

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Section: Test Casementioning

confidence: 99%

Design and Testing of a WAAM Retrofit Kit for Repairing Operations on a Milling Machine

et al. 2021

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“…Hybrid additive/subtractive manufacturing [35][36][37]: This combines the best of both worlds but can be complex to implement and control. It may also require specialized equipment, which increases the overall cost.…”

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confidence: 99%

Conformal Cooling Channel Design for Improving Temperature Distribution on the Cavity Surface in the Injection Molding Process

et al. 2023

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Mold heating is an essential process in plastic injection molding. Raising the temperature of the mold before injecting liquefied plastic can ease the mold-filling process. A cooling channel can be used to transport high-temperature fluids for this purpose, such as hot water or oil. This dual purpose is a cost-effective solution for heating the mold because the target temperature is easily achieved using this method. In addition, a conformal cooling channel (CCC) can provide more efficient mold heating than a straight cooling channel. This study used the response surface methodology to determine the optimum CCC shape for heat distribution in a mold, and the simulation results confirmed its optimization. The average temperature of the mold using a CCC was better than that using a straight cooling channel, and the heat zone was uniform across the mold surface.

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Design and fabrication of conformal cooling channels in molds: Review and progress updates

Feng

Kamat

Pei

2021

International Journal of Heat and Mass Transfer

127

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Additive manufacturing of H13 tooling element with conformal cooling channel using MIG cladding

Abstract: Visit www.inderscience.com for details of over 380 titles

Cited by 3 publications

References 24 publications

Design and Testing of a WAAM Retrofit Kit for Repairing Operations on a Milling Machine

Design and Testing of a WAAM Retrofit Kit for Repairing Operations on a Milling Machine

Conformal Cooling Channel Design for Improving Temperature Distribution on the Cavity Surface in the Injection Molding Process

Design and fabrication of conformal cooling channels in molds: Review and progress updates

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