Rapid Prototyping Journal: Volume 19 Issue 6

Hybrid direct manufacturing method of metallic parts using deposition and micro continuous rolling

Haiou Zhang, Xiangping Wang, Guilan Wang, Yang Zhang

The purpose of this paper is to report a new direct metal manufacturing method which integrates freeform deposition process and micro rolling process, introduce the manufacturing…

Thickening freeform surfaces for solid fabrication

Charlie C.L. Wang, Yong Chen

Given an intersection-free mesh surface S, the paper introduces a method to thicken S into a solid H located at one side of S. By such a surface-to-solid conversion operation…

An algorithm for extracting STL model from axisymmetric ring element mesh

Zhongke Tian

The purpose of this paper is to use rapid prototyping (RP) technology to build physical models based on axisymmetric finite element (FE) simulation deformation results. To this…

A study on the SLS manufacturing and experimenting of TiB2-CuNi EDM electrodes

Fred Lacerda Amorim, Armin Lohrengel, Guenter Schaefer, Tiago Czelusniak

This work aims to investigate the direct production of electrical discharge machining (EDM) electrodes by means of the selective laser sintering (SLS) technique using a new…

Fabrication of hydrodynamic torque converter impellers by using the selective laser sintering method

Jaroslaw Kotlinski, Marcin Migus, Zbigniew Kesy, Andrzej Kesy, Philip Hugo, Brent Deez, Kristian Schre, Dimitri Dimitrov

– The main aim of the paper is the application of the selective laser sintering (SLS) method for fabrication of hydrodynamic torque converter (HTC) impellers.

Thermal conductivity of polyamide 12 powder for use in laser sintering

Mengqi Yuan, Timothy T Diller, David Bourell, Joseph Beaman

The purpose of this paper is to acquire thermal conductivities of both fresh and preheated polyamide 12 powder under various conditions to provide a basis for effective and…

Influence of oxidation on the cracks of DZ125L nickel-based superalloy thin-walled parts in laser metal direct forming

Bin He, Dichen Li, Anfeng Zhang, Zhongliang Lu, Jiangbo Ge, Doan Tat Khoa

The purpose of this paper is to investigate the influence of the oxidation on the cracks of DZ125L nickel-based superalloy thin-walled parts in laser metal direct forming (LMDF)…

Process parameters investigation of a laser-generated single clad for minimum size using design of experiments

Mehmet Ermurat, Mehmet Ali Arslan, Fehmi Erzincanli, Ibrahim Uzman

This paper aims to investigate the effect of four important process parameters (i.e. laser focal distance, travel speed, feeding gas flow rate and standoff distance) on the size…