Method for controlling cutting machine
AssigneeMazda Motor Corporation
InventorsYukio Izutsu, Mitsuki Nishimoto, Tsuyoshi Hosoda, Atsushi Ohta
Life of this patent
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Abstract
A cutting machine control determines a required stock-removal amount from a work for each of sections into which a tool path is divided, and feeds the rotating cutting tool at a speed that is controlled according to the required stock-removal volume so that the rotating cutting tool removes a predetermined or target stock-removal volume of material for the component path section from a work per unit time.
Claims6
A cutting machine control method of controlling a numerically controlled (NC) cutting machine equipped with a rotating cutting tool for cutting a surface of an object work along a tool path defined on the basis of a blank configuration of said object work by NC data, said cutting machine control method comprising the steps of:
- determining a required volume of stock to be removed from said object work for each of path sections into which said tool path is divided;
- and
- determining a constant tool feed speed of said rotating cutting tool for each of said path sections on the basis of said required volume of stock to be removed so that said rotating cutting tool removes a target volume of stock to be removed from said object work per unit time;
- wherein, when a change rate of said determined constant tool feed speed for a current one of said path sections in cutting relative to said determined constant tool feed speed for the preceding one is lower than a specified change rate, said determined constant tool feed speed for said current path section is replaced with said determined constant tool speed for said preceding path section.
A cutting machine control method of controlling a numerically controlled (NC) cutting machine equipped with a rotating cutting tool having a cutting edge for cutting a surface of an object work along a tool path defined on the basis of a blank configuration of said object work by NC data, said cutting machine control method comprising the steps of:
- determining a required volume of stock to be removed from said object work for each of path sections into which said tool path is divided;
- and
- determining a constant tool feed speed of said rotating cutting tool for each said path section on the basis of said required volume of stock to be removed so that said cutting edge removes a target volume of stock to be removed from said object work per one revolution, thereby removing said required volume of stock to be removed, per unit time;
- wherein, when a change rate of said determined constant tool feed speed for a current one of said path sections in cutting relative to said determined constant tool feed speed for the preceding one is lower than a specified change rate, said determined constant tool feed speed for said current path section is replaced with said determined constant tool speed for said preceding path section.
Dependencies are inferred from the claim text.