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Browsing Engineering, Built Environment and Information Technology by UP Author "Freyer, Burkhard Heinrich"

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Comparing orthogonal force and unidirectional strain component processing for tool condition monitoring

Freyer, Burkhard Heinrich; Heyns, P.S. (Philippus Stephanus); Theron, Nicolaas J. (Springer, 2014-06)

Signal processing using orthogonal cutting force components for tool condition monitoring has established itself in literature. In the application of single axis strain sensors however a linear combination of cutting ...
Self-sensing active control of emulated tangential tool vibration hardware-in-the-loop

Freyer, Burkhard Heinrich; Theron, Nicolaas J.; Heyns, P.S. (Philippus Stephanus); Pickelmann, Lutz A. (Elsevier, 2021-04)

This study tests the dual functionality of a piezoelectric transducer for active control of emulated tool vibration. The concept of a self-sensing actuator is here applied jointly with adaptive feedback active vibration ...
Simulation of tool vibration control in turning, using a self-sensing actuator

Freyer, Burkhard Heinrich; Theron, Nicolaas J.; Heyns, P.S. (Philippus Stephanus) (Sage, 2008)

Besides reducing the restricting effects of tool vibrations on productivity, work-piece surface finish and tool life, it is desirable to handle lack of space for sensors at the tool tip and the cost of control systems in ...
Tool wear monitoring and selection of optimum cutting conditions with progressive tool wear effect and input uncertainties

Pal, Sukhomay; Heyns, P.S. (Philippus Stephanus); Freyer, Burkhard Heinrich; Theron, Nicolaas J.; Pal, Surjya K. (Springer, 2009-09)

One of the big challenges in machining is replacing the cutting tool at the right time. Carrying on the process with a dull tool may degrade the product quality. However, it may be unnecessary to change the cutting tool ...

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Browsing Engineering, Built Environment and Information Technology by UP Author "Freyer, Burkhard Heinrich"

Browsing Engineering, Built Environment and Information Technology by UP Author "Freyer, Burkhard Heinrich"

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