Analysis of cam geometry parameters in numerical control system

In the CNC camshaft grinding system, the software can be divided into: the main control module, which belongs to the non-real-time module, completes the human-computer interaction and status display, and can also perform the offline coarse interpolation and the input motion of the processed contour. Controller; motion control module, belongs to real-time mode adapter board bus industrial computer; workstation control panel, axis servo amplifier. The real-time control of the linkage and the completion of the corresponding actions in the grinding process, such as the switch of the protective door, the loading of the workpiece, the clamping and positioning, the on and off of the cooling water, and the like.

On one hand, the main control module includes the user interface design, parameter management, communication and processing motion mathematical model calibration components, mainly to complete user operations, real-time communication and management of system parameters and machine parameters and system fault diagnosis.

The main control module also includes: input of geometric parameters such as cam lift table, phase, position and base circle radius, curve fitting on the lift table, establishment of polar coordinate equation of cam surface contour, surface contour Offline coarse interpolation, establishment of motion mathematical models, error analysis and static machining simulation. When the system is running, the main control module is in the foreground, and the motion control and module are in the background.

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