Development of a CNC Machine Tool Performance Simulation System:“The VCNC System”

The industry uses computer numerical controlled (CNC) machine tools to manufacture

parts efficiently at high speed. Before batch manufacturing is performed confidently, a

trial-and-error cutting test is required to validate if part tolerances are violated, which is a

costly and time-consuming procedure. The objective of this research project is to develop

a Virtual CNC System, which can simulate the CNC motion in virtual environment.

Hence, the feed motion of general multi-axis machine tools will be modeled by

considering the machine’s kinematics structure and the dynamics of the servo system,

namely the ball-screw and linear drives. The effect of cutting process will be integrated

through the servo loop as disturbance to simulate the interaction between machine and

process. Thus, packaging the complete engineering design, analysis and simulation

system, namely the Virtual CNC System, has significant potential to be used both in the

industry as well as in engineering schools as an advanced design and teaching tool for

multi-axis motion control systems.

Faculty Supervisor:

Ryozo Nagamune

Student:

Partner:

Manufacturing Automation Laboratories Inc

Discipline:

Engineering

Sector:

University:

The University of British Columbia

Program:

Accelerate

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