Geometric Theorems and Application of the DOF Analysis of the Workpiece Based on the Constraint Normal Line

<div>Positioning analysis of the cylindrical section. (a) Three-point positioning. (b) Four-point positioning. 1, Workpiece; 2, supporting bolt; 3, pedestal.</div>

Advances in Materials Science and Engineering

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Figure 7

Figure 7: Geometric Theorems and Application of the DOF Analysis of the Workpiece Based on the Constraint Normal Line 