mastercam91四轴半四轴定面加工后处理.docx

1、mastercam91四轴半四轴定面加工后处理#Post Name#Product#Machine Name#Control Name#Description:MPFANMILL:GENERIC FANUC:GENERIC FANUC:GENERIC FANUC MILL POST#4-axis/Axis subs. : YES#5-axis : NO#Subprograms : YES#Executable : MP#WARNING: THIS POST IS GENERIC AND IS INTENDED FOR MODIFICATION TO#THE MACHINE TOOL REQUI

2、REMENTS AND PERSONAL PREFERENCE.# OB MB 一 Mi#Revision log: OB OV 一 Mi MB _ Mi 4V OB _ OB 0flB flB#Programmers Note:#CNC 01/12/01 - Initial post update for#CNC 07/02/01 - Add cantext to cancel drill and tool retract#CNC 01/09/02 - Initial post update for#CNC 01/31/02 - Set usecandrill, usecanpeck, fo

3、rce_wcs to YES#CNC 02/22/02 - Forces output of IK arc centers (arcoutput:0)#CNC 04/12/02 - Use original position for inverse feed and 4 ax paths#CNC 05/01/02 - Set ,helix_arc:2,/ support helix arc output in XY plane#CNC 05/07/02 - Do not update sav_rev with axis substitution#CNC 11/06/02 - Altered F

4、eedrate output format when tapping (G74/G84)#CNC 01/06/03 - moved feed assignment below pcom_moveb to address bug w/feed in 4 axis#CNC 01/17/03 - Added flags to allow reversal of axis orientations#CNC 02/04/03 - Initial post update for #OB OV 一 Mi MB _ Mi 4V OB OB 0flB flB#Features: OB fl9 4B Ml OB

5、4V OB MB 一 一 4B . OB Mi . OB Mi 4B#This post supports Generic Fanuc code output for 3 and 4 axis milling.#It is designed to support the features of Mastercam Mill V9.#Following Mise. Integers are used:#mil - Work coordinate system#0 = Reference return is generated and G92 with the#X, Y and Z home po

6、sitions at file head.#1 = Reference return is generated and G92 with the#X, Y and Z home positions at each tool.#2 = WCS of G54, G55. based on Mastercam settings.#mi2 - Absolute or Incremental positioning at top level#0 = absolute#1 = incremental#mi3 - Select G28 or G30 reference point return.#0 = G

7、28 = G30#Canned text:#Entering cantext on a contour point from within Mastercam allows the#following functions to enable/disable.#Cantext value:#1 = Stop = output the MOO stop code#2 = Ostop = output the ,M01 optional stop code#3 = Bld on = turn on block delete codes in NC lines#4 = bLd off = turn o

8、ff block delete codes in NC lines#Milling toolpaths (4 axis)#Layout:#The term Reference View1 refers to the coordinate system associated#with the Top view (Alt-F9, the upper gnomon of the three displayed).#Create the part drawing with the axis of rotation about the axis#of the HReference View accord

9、ing to the setting you entered for#mc1 (vertical or horizontal) and rot_on_x (machine relative#axis of rotation).#vmc = 1 (vertical machine) uses the top toolplane as the base machine#view.#vmc = 0 (horizontal machine) uses the front toolplane as the base machine # view.#Relative to the machine matr

10、ix -#Rotation zero position is on the Z axis for rotation on X axis.#Rotation zero position is on the Z axis for rotation on Y axis.#Rotation zero position is on the X axis for rotation on Z axis.#The machine view rotated about the selected axis as a single axis#rotation are the only legal views for

11、 4 axis milling. Rotation#direction around the part is positive in the CCW direction when#viewed from the plus direction of the rotating axis. Set the variable#,rot_ccw_pos, to indicate the signed direction. Always set the work#origin at the center of rotation.#Toolplane Positioning:#Create the Cpla

12、ne and Tplane as the rotation of the machine view about#the selected axis of rotation. The toolplane is used to calculate#the position of the rotary axis. This is the default setting.#3 Axis Rotary (Polar)#Polar positioning is offered in Mastercam 3 axis toolpaths through the#rotary axis options dia

13、log. The selected toolpath is converted to angle#and radius position. The axis of rotation is forced to zero.#Axis substitution:#Use the Rotary axis substitution by drawing the geometry flattened#from the cylinder. The rotary axis button must be active for axis#substitution information to be output

14、to the NCI file. The radius of#the rotary diameter is added to all the Z positions at output.#Simultaneous 4 Axis (11 geode):#Full 4 axis toolpaths can be generated from various toolpaths under the#multi-axis selection . Rotary 4 axis). All 5 axis paths are#converted to 4 axis paths where only the a

15、ngle about the rotation axis#is resolved.#Drill:# All drill methods are supported in the post. See Simultaneous 4 Axis.#Additional Notes:#1) Disable 4 axis by setting the numbered question 164. to n.#2) G54 calls are generated where the work offset entry of 0 = G54,#1 = G55, etc.#3) Metric is applied from the NCI met_tool variable.#4) Incremental mode c