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 Comparative Study of Kinematic Parameters of Circular Punch Applied in Semi-Contact and Full-Contact System 

Table 1: Cinematic parameters for semi-contact punch strikes

T1 T2 T3 L1 L2 L3 L v1-2 v2-3 vmax v α [°] β Hl - d d'xoy z2
strike Sl
[s] [s] [s] [m] [m] [m] [m] [m/s] [m/s] [m/s] [°] [m] [m] [m]
[m/s] [°]
0.09 0.110 0.030 0.142 0.57 0.11 0.72 1.57 6.38 6.68 5.49 55.68 59.1 7.3 0.6 0.56 1.30
0.14 0.080 0.010 0.302 0.60 0.05 0.90 2.16 7.47 8.84 7.07 135.2 66.8 8.9 0.57 0.55 1.33
0.06 0.080 0.010 0.189 0.61 0.08 0.80 3.15 7.67 8.09 7.21 129.7 84.7 1.36 0.6 0.53 1.36
0.07 0.080 0.020 0.210 0.62 0.06 0.83 3.00 7.78 8.53 7.28 142.5 86.7 1.33 0.6 0.57 1.33
0.07 0.08 0.02 0.212 0.64 0.06 0.86 3.03 8.05 9.47 7.50 139.6 95.5 -4.3 0.6 0.56 1.43
0.06 0.090 0.010 0.194 0.61 0.08 0.81 3.23 6.82 7.62 5.86 126.5 85.8 -9.5 0.53 0.50 1.37
0.08 0.080 0.020 0.224 0.63 0.08 0.85 2.80 7.83 9.06 6.83 132.1 91.2 -3.0 0.55 0.52 1.39
0.08 0.070 0.020 0.136 0.53 0.08 0.77 1.70 7.59 8.40 7.23 136.0 84.4 -8.2 0.51 0.45 1.31
0.07 0.070 0.020 0.221 0.59 0.06 0.81 3.16 8.39 9.61 7.34 127.8 80.4 -5.4 0.51 0.49 1.32
0.09 0.080 0.020 0.240 0.57 0.06 0.81 2.67 7.08 7.28 6.11 127.6 82.1 -10.2 0.49 0.44 1.35
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