Lampiran 1 2

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(1)LAMPIRAN-LAMPIRAN Lampiran 1 : Range of surface roughness (Khurni dan Gupta 1997) S.No 1 2 3 4 Manufacturing Surface process Roughness in Lapping Honing Cylindrical grinding Surface grinding microns 0.012 to 0.016 0.025 to 0.40 0.063 to 5 0.063 to 5 S.No Manufacturing Surface Prosess Roughness 9 10 11 12 Extrusion Boring Milling Planing and in microns 0.16 to 5 0.40 to 6.3 0.32 to 25 1.6 to 25 1.6 to 20 5 to 50 0.80 to 5 6 7 Broaching Reaming Turning 0.40 to 32 0.40 to 32 0.32 to 25 13 14 15 shaping Drilling Sand casting Die casting 8 Hot rolling 2.5 to 50 16 Forging Lampiran 2: Gambar Jenis-jenis Mesin Bubut 3.20 1.60 to 2.5

(2) A. Mesin Bubut Revolver B. Mesin Bubut Otomatis

(3) C. Mesin Bubut Kepala D. Mesin Bubut Turet Vertikal

(4) E. Mesin Ulir Otomatis

(5)

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