Wuhan Huazhong Numerical Control Co., Ltd HNC-18iT v4.0 Programming Manual
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Contents
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9. Functions to Simplify Programming92.1.3.1.3.1.3.1.3 ThreadThreadThreadThread CuttingCuttingCuttingCutting CycleCycleCycleCycle (G82)(G82)(G82)(G82)CylindricalCylindricalCylindricalCylindricalThreadThreadThreadThread CuttingCuttingCuttingCutting CycleCycleCycleCycleProgrammingProgrammingProgrammingProgramming82 X(U)_ Z(W)_ R_ E_ C_ P_ F(J)_xplanationxplanationxplanationxplanation ofofofof thethethethe parametersparametersparametersparameters, Z Coordinate values of end point (point C) in absolute command, Coordinate values of end point (point C) with reference to the initial point (point A)in incremental command, E Coordinate value of retraction amount with reference to the end point (point C) inincremental command.The number of thread head. It is single thread when C is 0 or 1.P Start point offset. It is used for multiple threads.F Thread lead per revolutionJ Thread lead in inch measurementx/2+X+Zz wu/23R 1R2FL4R ABCDreFigure 9.9 Cylindrical Thread Cutting Cycle (G82)FFFFunctionunctionunctionunctionThis command can implement the cylindrical thread cutting. The machining path isB C→D→A. Moreover, this command is same as G32 (Thread cutting with constantlead). |
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