Abstract
This paper aims to optimize the machinedsurface as well as to study the effect of current strength andwire speed on wire cut machining on AISI 1045 steel againstthe timing of roughness of straight gear surface. The surfaceresults analyzed are the surface roughness values obtained byconducting surface roughness testing. Variations of currentused are 3 amperes, 5 amperes, and 7 amperes, while the wirespeed used is 8mm / min, 10 mm, min, and 12 mm / min. In theprocess of wire cut machining is used a brass cutting materialwith 0.25 mm wire diameter. The results showed that thegreater the current and wire speed used then the surfaceroughness value will be lower, otherwise the smaller currentand wire speed used then the surface roughness value will behigher. The results of data analysis using ANOVA analysis,correlation, and regression method obtained optimal conditionto get low surface roughness value and fast cut time that is at 7amperes current with wire speed 8 mm / min.
Highlights
A wire cut machine is a CNC machine that works automotive through a computer control system
The wire cut process has been performed on the AISI 1045 workpiece to form the gears
The process is testing the surface finish, where the experimental results can be shown in Figs. 2 and 3
Summary
A wire cut machine is a CNC machine that works automotive through a computer control system. The wire-cut machine has the ability to produce high precision products with varying levels of surface finish was desired [1,2]. Especially in some high-precision products, are parameters that need to be considered. Products produced with a certain level of surface roughness will determine the functionality of the product. The accuracy of the surface finish value of a product will determine whether the product works properly [3,4]. Research concerning setting the wire cut cutting parameters on straight gears has been done before. Tosun et al [7] conducted a study on the effect of cutting parameters on surface roughness on wire cut with steel workpiece SAE 4140. This study concluded that pulse duration, open circuit voltage, and wire speed greatly affect the surface roughness cutting. Increasing the pressure of the dielectric fluid can be obtained by a finer cutting surface
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