You can unlock, regen and Highfeed again until you get what you wanted.ġst ask your local Mastercam dealer for an updated post, the one for Fadal that comes with 7.2c needs a lot of work. If you can't do that then just backplot with the "Show Coordinates" and "Verbose" mode turned on and you will be able to see the feedrate changes as you step thru the program. To really gain optimum performance you need to cut the test circle. If you need to change it you have to unlock it, make your changes, regenerate and run highfeed again. The operation is locked after running highfeed. The look ahead is the distance from the corner at which the machine begins to slow down. If you want to cut at 100 inces per minuet and slow down to 50 or something in the corners just program the whole thing at 100ipm and set the "Minimum cornering feedrate" to 50. But it does drop the feedrate at the corner and accelerate out. Usually mostly it does not decelerate into the corner. In v9.1sp2 and 9.1mr0304, If you set the compensation type to Control or Wear or Reverse the results will not be what you would expect. The most important thing to be aware of, It does not function correctly if you turn on cutter comp. I usually change the "Maximum feedrate change per block" to about 5% and the "Recombine segments" to about 4%. I usually adjust the "Look ahead" to about 200% and turn on the "Accelerate to smooth feedrates and go with the default setting of about 2%. Make sure you set the minimum feedrate to something acceptable. Highfeed will only reduce the feedrate from the programmed feedrate.
If you only want to decelerate into and accelerate out of corners you only need to set the finish pass options.
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