Data generating device, data generating method and data generating program

A data generating device for generating numerical control data for controlling the operation of a cutting tool when machining an article, comprising:

• geometric data input means to which a set of geometric data representing a shape of said article to be machined is input;
• partial geometric data generating means for dividing the set of geometric data into a plurality of sets of partial geometric data each representing one of a plurality of article parts constituting said article to be machined;
• a plurality of partial numerical control data generating means for generating from said sets of partial geometric data sets of partial numerical control data for machining article parts represented by the partial geometric data;
• and
• numerical data unifying means for generating a set of numerical control data for machining the whole of said article to be machined by unifying the plurality of sets of said partial numerical control data;
• wherein each of said article parts to be machined is formed as a layer extending in a direction perpendicular to a cutting depth direction of said cutting tool.

A data generating device for generating numerical control data for controlling the operation of a cutting tool when machining an article, comprising:

• geometric data input means to which a set of geometric data representing a shape of said article to be machined is input;
• partial geometric data generating means for dividing the set of geometric data into a plurality of sets of partial geometric data each representing one of a plurality of article parts constituting said article to be machined;
• a plurality of partial numerical control data generating means for generating from said sets of partial geometric data sets of partial numerical control data for machining article parts represented by the partial geometric data;
• and
• numerical data unifying means for generating a set of numerical control data for machining the whole of said article to be machined by unifying the plurality of sets of said partial numerical control data;
• wherein said partial numerical control data generating means comprises a plurality of computers.

A data generating method for generating numerical control data for controlling the operation of a cutting tool when machining an article to be machined, comprising steps of:

• inputting a set of geometric data representing a shape of said article to be machined;
• dividing said set of geometric data to generate a plurality of sets of partial geometric data each representing one of a plurality of article parts constituting said article to be machined;
• generating from said sets of partial geometric data sets of partial numerical control data for machining article parts represented by the partial geometric data;
• and
• unifying the plurality of sets of said partial numerical control data to generate a set of numerical control data for machining the whole of said article to be machined;
• wherein said step of generating sets of partial numerical control data includes a step of generating at least two sets of partial numerical control data in parallel.

A data generating method for generating numerical control data for controlling the operation of a cutting tool when machining an article to be machined, comprising steps of:

• inputting a set of geometric data representing a shape of said article to be machined;
• dividing said set of geometric data to generate a plurality of sets of partial geometric data each representing one of a plurality of article parts constituting said article to be machined;
• generating from said sets of partial geometric data sets of partial numerical control data for machining article parts represented by the partial geometric data;
• and
• unifying the plurality of sets of said partial numerical control data to generate a set of numerical control data for machining the whole of said article to be machined;
• wherein said article part is set smaller in a portion where the amount of said partial geometric data is large than in a portion where the amount of said partial geometric data is small.

A data generating program representing instructions executable by a computer comprising:

• instructions for inputting a set of geometric data representing a shape of an article to be machined;
• instructions for dividing said set of geometric data to generate a plurality of sets of partial geometric data each representing one of a plurality of article parts constituting said article to be machined;
• instructions for generating from said sets of partial geometric data sets of partial numerical control data for machining article parts represented by the partial geometric data;
• and
• instructions for unifying the plurality of sets of said partial numerical control data to generate a set of numerical control data for machining the whole of said article to be machined;
• wherein, in said instruction for partial numerical control data, said article part is set smaller in a portion where the amount of said partial geometric data is large than in a portion where the amount of said partial geometric data is smaller.