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C3 continuity of the tool tip position and the tool orientation are guaranteed along the entire tool path.
The available range of tool orientation and entry position is clarified in which accurate guidance is guaranteed.
Cutting forces in 5-axis milling cycles continuously vary due to changes in tool orientation and depth of cut.
On the basis of upper work, the parameter representation of IUCT is deduced by the parametric expression of coordinate transformation matrix and feed vector, and resolved to three sub models about tool orientation, tool orientation change and cutter runout.
If the tool orientation is picked inside the ATOR, the resulted surface texture is considered to be acceptable.
Realizing that, a modified particle swarm optimization (PSO) is intergraded into the previous tool orientation translation method.
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Based on this concept, the tool orientations are optimized locally.
Given a set of cutter contact points and tool orientations, a least-squares optimization procedure finds the optimal setup parameters.
The tool tip positions are represented by using a third order B-spline, while the tool orientations are represented by a third order polynomial-spline.
Given the tool orientations, the algorithm optimizes the required rotations on the set of the solutions of the corresponding inverse kinematics equations.
Most of the existing methods try to solve the problem by deforming the tool orientations or inserting extra cutter locations after the tool path is generated, with the drawbacks that (1) the machining geometry errors are not respected and (2) irregular machined surface textures might be caused.
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