Question: Imaginary [m/N] -1 -3 Real [m/N] 2 0 -1 In an orthogonalcutting operation the tool and workpiecesystemhasthreedegreeof freedom in feed direction (Figure 4). Feed

Imaginary [m/N] -1 -3 Real [m/N] 2 0 -1 In an orthogonalcutting

Imaginary [m/N] -1 -3 Real [m/N] 2 0 -1 In an orthogonalcutting operation the tool and workpiecesystemhasthreedegreeof freedom in feed direction (Figure 4). Feed force cutting constantis 2552 N/mm Titaniumalloy workpiece (8 marks) a) Find the minimumvalue of the stability lobescontributed from eachmode b) Whatwill be the minimum stability lobe limit in this system? * 10 - Transfer function OLX6BE91- 2.8660x108 2.4868x10 3.0728x10 1.0481x10 6.5407x109 200 400 600 50 800 1000 1200 1400 1600 1800 2000 x10 4.4208x108 TM 5.6052x108 -1.7785x10 -7 0 200 400 600 800 1000 1200 1400 Frequency [Hz] 1600 Figure 4. Transferfunction in feeddirection for orthogonalcutting 1800 2000 2 for

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