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Journal : Kreator

ABLE TO PULL POLYLACTID ACID (PLA) MATERIAL ANET ET4 3D PRINTING MACHINE PRODUCT RESULTS nulhakim, lukman; Tauvana, Ade Irvan; Syafrizal, Syafrizal
Kreator Vol. 11 No. 1 (2024): Kreator
Publisher : P3M Politeknik Negeri Media Kreatif

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46961/kreator.v11i1.1222

Abstract

A 3D Printing machine is a machine that is capable of printing objects in 3 dimensions, made layer by layer by melting/melting a predetermined material. The material used to make specimens is Polylactic Acid (PLA) filament which has good strength and is easily decomposed in the environment. The resulting specimens were subjected to tensile tests with 3 different thickness variations, namely 2 mm, 3 mm and 4 mm. The results from the tensile test of the 2 mm thickness specimen had the greatest results of up to 43.29 MPa because the layers of the specimen were denser than the 3 mm and 4 mm specimens.
The Effect of Spindle Speed on The Surface of Teak Wood Work Pieces on A 3 Axis CNC Router Machine : The Effect of Spindle Speed on The Surface of Teak Wood Work Pieces on A 3 Axis CNC Router Machine nulhakim, lukman
Kreator Vol. 12 No. 1 (2025): Kreator
Publisher : P3M Politeknik Negeri Media Kreatif

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46961/kreator.v12i1.1625

Abstract

The effectiveness of machining process time and surface roughness quality are the main factors for evaluating whether the machining product is acceptable or not. Spindle speed is one way to maximize process time. This study aims to determine the effect of spindle speed variations on the surface roughness of objects made of teak wood material using a 3-axis CNC router machine. The research method uses an experimental method on objects made of teak wood using spindle speed variations of 4000, 6000, and 8000 RPM. Then the surface roughness measurements were carried out, and the measurement results were analyzed to determine the effect of spindle speed variations. The results of the study on the surface roughness of objects, spindle speed 8000 RPM produced a Ra value of 10.988 µm which is the lowest Ra value.