Feedrate optimization for freeform milling considering constraints from the feed drive system and process mechanics

This paper presents a new and comprehensive strategy for planning minimum cycle time tool trajectories subject to both machining process related constraints, and also limitations of the feed drive control system. The machining process is considered by computing the workpiece-tool engagement along th...

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Bibliographic Details
Published inCIRP annals Vol. 62; no. 1; pp. 395 - 398
Main Authors Erkorkmaz, Kaan, Layegh, S. Ehsan, Lazoglu, Ismail, Erdim, Huseyin
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 2013
Subjects
Acceleration
Actuators
Constraining
Cutting force
Cycle time
Feed
Machining
Milling
Optimization
Strategy
Optimization
Milling
Feed
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Summary:This paper presents a new and comprehensive strategy for planning minimum cycle time tool trajectories subject to both machining process related constraints, and also limitations of the feed drive control system. The machining process is considered by computing the workpiece-tool engagement along the toolpath and setting local feed limits to maintain a specified resultant cutting force. The drive constraints are considered by limiting the velocity, acceleration, and jerk magnitudes commanded to each actuator. Feed profiling is realized with uninterrupted acceleration transitions, capable of spanning multiple toolpath segments. Effectiveness of the proposed strategy is demonstrated in sculptured surface machining experiments.
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ISSN:0007-8506
DOI:10.1016/j.cirp.2013.03.084