THE EFFECT OF THE RATIO OF SHARING THICKNESS (λ) ON ROUNDING WITH TAPERED LATHE PROCESS ON ALUMUNIUM 6061

Tomi Ari Setyanto

Abstract


This study aims to find the value of the L/D gradient ratio, the value of the compression ratio of thick thickness (λ) and roundness value. The method used in this study is an experiment with data collection on; spindle speed (n), cutting depth (a), angle (α), and tool corner radius (nsr) vary. The results achieved at an L/D ratio of 3.28, cutting depth (a) 0.6 mm, spindle rotation (n) 250 rpm, tool corner radius (nsr) 0.2 mm and a sharpness angle of 2.5˚ experienced compression ratio the largest thick thickness (λ) is 2.53, while at the 2.62 L/D ratio, the cutting depth (a) 0.2 mm, spindle rotation (n) 500 rpm, tool corner radius (nsr) 0.2 mm and the steepness angle of 2.5˚ experiences the lowest compression ratio of thick thickness (λ) of 0.53. With a large compression ratio of thick fur (λ) the roundness value will also be large, in the compression ratio of thick thickness (λ) 2.53 get a roundness value of 1.3 µm. While the lowest roundness value of 0.5 μm occurs in the compression ratio of thick thickness (λ) 0.53.

Keywords


Roundness; L/D Ratio; Growled thick compression ratio (λ)

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References


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DOI: https://doi.org/10.26905/jtmt.v15i1.4736

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