Machine tools’summary explaination(4)

Interrupt structure:This structure is in addition to the initialization program, the whole schedule for each task modules of the system software in different level of the interrupt service routine, and then by interrupt management system (consist of hardware and software) to the interrupt service routine scheduling management at all levels.

Interpolation:According to the given feed speed and the requirements of a given contour line, between the contour of the known point, determine some of the intermediate point method, this method is called interpolation method or interpolation principle.For each method (principle) and may have different calculation method, the calculation method of the concrete is called interpolation algorithm.

Tool radius compensation:Nc machine tools in the machining process, it is controlled by the trajectory of cutter center, for convenience, the user is always according to the preparation and construction sequence, a contour and thus to processing the required parts outline, in the inner contour machining, cutting tool center to the inside parts of the tool radius are put to offset a value; In the outer contour machining, the tool center must to parts of the lateral migration a tool radius value.This kind of parts according to the outline of program and the pre-set bias parameters, nc device can automatically generate real-time cutter center track of the function is called tool radius compensation function.