International Journal of Manufacturing Engineering / 2016 / Article / Tab 2

Research Article

Pervasive Investigations of Critical Speed over Weight and Deflection Factors of Shaft Assembly in CNC Ball Screw System

Table 2

Critical speed summarization.

Shaft load points (mm)50100170240310380440500

Weight (kgf)0.66.14.24.254.24.2513.23.0
Deflection (×12 × 10−5 mm)1.53.166.16.15641.2
Critical speed (rpm)38467 using (2)

Weight (kgf)0.77.24.64.654.64.6515.43.21
Deflection (×12 × 10−5 mm)1.63.26.16.26.256.14.11.3
Critical speed (rpm)38316 using (2)

Weight (kgf)0.88.34.94.954.94.9517.33.41
Deflection (×12 × 10−5 mm)1.73.36.26.36.356.24.21.4
Critical speed (rpm)38082 using (2)

Weight (kgf)0.99.45.25.255.25.2519.43.61
Deflection (×12 × 10−5 mm)1.83.46.36.46.456.34.31.5
Critical speed (rpm)37870 using (2)

Weight (kgf)1.010.55.75.755.75.7521.593.71
Deflection (×12 × 10−5 mm)1.93.56.46.56.556.44.41.6
Critical speed (rpm)37563 using (2)

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