The characteristic of process designing of CNC Machining center

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  • source:GERHOLD CNC Machining
As a result of the treatment characteristic of machining center, before writing machine program, want to notice to change the application of knife program above all. Different machining center, its change knife course is not of just the same, choose normally knife and change a knife to be able to undertake apart. Change a knife to end after the main shaft that start, below Fang Kejin travel the treatment content of block. The movement that pick a knife can rise with the treatment coincide of the machine tool, use cutting time to undertake picking a knife namely. Most machining center provided place of fixed the spot that change a knife, each motion component moves only this position, ability begins to change knife action. Equipment of XH714 machining center has dish of form knife library, pass the mutual motion of main shaft and knife library, implementation changes a knife. The process that change a knife uses a subprogram to describe, customarily takes program name to be O9000. The subprogram that change a knife is as follows: O9000N10G90// chooses very kind N20G53Z-124.

Z of 8// main shaft arrives to shift position of the spot that change a knife (go up in Z direction with knife library namely corresponding) N30M06// knife library rotates to its in the sky knife alignment main shaft, main shaft stops reach of N40M28// knife library definitely, make empty knife on knife clip clips main shaft of N50M11// of the knife handle on main shaft to loosen knife handle N60G53Z-9.

Z of 3// main shaft to up, the safe place that answers set (main shaft and knife handle are detached) N70M32// knife library rotates, the choice will change the cutting tool N80G53Z-124 on.

Z of 8// main shaft to come downward position of the spot that change a knife (knife handle inserts main shaft aperture) library of knife of N100M29// of knife handle of clamp of N90M10// main shaft recedes the subprogram that change a knife ends a N110M99// , return a main program. Those who need an attention is, to make the subprogram that change a knife is not changed at will, trade knife security in order to assure, equipment administrator but this program implicit. When the need in machine program changes a knife, call program of O9000 a work song sung to synchronize movements can. Call block to be able to write as follows: M98P9000 　 of ～ of N ～ T among them: N hind arranges serial number for the program; T hind is cutting tool date, take 2 commonly; M98 changes small knife course to call; P9000 is the subprogram that change a knife date. The process designing method of the process designing method of machining center and CNC Milling is basic and same, the setting method that machines coordinate department is same also. CNC Milling