Tool Force in Milling: Difference between revisions
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Analysis of tool force indicates that feed force (force in the direction of feed) is only 20% of total tooling force. [https://www.mmsonline.com/articles/a-new-milling-101-milling-forces-and-formulas]. This bodes well for belt-driven universal axes, in that a 100 lb tool feed force limit allows for 500lb overall tooling force limit | Analysis of tool force indicates that feed force (force in the direction of feed) is only 20% of total tooling force. [https://www.mmsonline.com/articles/a-new-milling-101-milling-forces-and-formulas]. This bodes well for belt-driven universal axes, in that a 100 lb tool feed force limit allows for 500lb overall tooling force limit? | ||
Analysis of published cutting forces shows only 100 Newton scale forces. [https://www.researchgate.net/publication/277726371_Effect_of_reinforcement_on_the_cutting_forces_while_machining_metal_matrix_composites-An_experimental_approach] We have 5x this force allowance with the Universal Axis. | Not clear. Tangential forces are 70%. If tangential in direction of feed, this does not help. | ||
'''But - overall milling forces appear to be on the order of 100-200N, which is well within the capacity of GT2 precision belt drive.''' | |||
=Published Cutting Forces= | |||
#Analysis of published cutting forces shows only 100 Newton scale forces. [https://www.researchgate.net/publication/277726371_Effect_of_reinforcement_on_the_cutting_forces_while_machining_metal_matrix_composites-An_experimental_approach] We have 5x this force allowance with the Universal Axis. | |||
#Lathe - Here we have 50-100kg tool forces [http://article.sapub.org/10.5923.c.jmea.201502.13.html] | |||
#Mill - 10 mm ball mill - up to 200 N forces - [file:///home/marcin/Desktop/jmmp-02-00035.pdf] | |||
=Machine Design Strategies= | |||
It may be useful to divide machining drive into 2 regimes: bulk and precision. GT2 is used for the precision part. Heavier belt may be used for bulk forces, such as in lathing. | |||
Latest revision as of 16:07, 14 July 2020
Analysis of tool force indicates that feed force (force in the direction of feed) is only 20% of total tooling force. [1]. This bodes well for belt-driven universal axes, in that a 100 lb tool feed force limit allows for 500lb overall tooling force limit?
Not clear. Tangential forces are 70%. If tangential in direction of feed, this does not help.
But - overall milling forces appear to be on the order of 100-200N, which is well within the capacity of GT2 precision belt drive.
Published Cutting Forces
- Analysis of published cutting forces shows only 100 Newton scale forces. [2] We have 5x this force allowance with the Universal Axis.
- Lathe - Here we have 50-100kg tool forces [3]
- Mill - 10 mm ball mill - up to 200 N forces - [file:///home/marcin/Desktop/jmmp-02-00035.pdf]
Machine Design Strategies
It may be useful to divide machining drive into 2 regimes: bulk and precision. GT2 is used for the precision part. Heavier belt may be used for bulk forces, such as in lathing.