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This view shows the X,Y work zero grid from above. The work part zero for the Z-axis is usually set at the top of the part surface, and this will be entered in the tool length offset as a negative value for each tool. The range of Z-axis travel on the HAAS VF-1, for example, is 20 inches total; four of these inches are above tool change ...
On a Mill, G90 is an Absolute move, and G91 is an Incremental move (see mill manual). On a Lathe, XYZ are used for Absolute moves and UVW are used for Incremental moves. You can send the Y-Axis to the home position by entering G53 Y0.0.
1. Set the machine height: Move the X and Y axes to the home position. Loosen the middle leveling screws [2 and 5] so that they are not supporting any weight. Set the machine on 4 corner leveling screws 3" (76.2 mm) above the floor. 2. Rough level the machine: Turn the leveling screw #4 up.
Settings 45-48, 80 and 250 enable mirror imaging about the X, Y, Z, A, B, and C axes. The mirror pivot point along an axis is defined by the Xnn.nn argument. This can be specified for a Y Axis that is enabled on the machine and in the settings by using the axis to mirror as the argument.
This video from HAAS does a good job of explaining how to set the work height offset (Z). For the HAAS TM-1, we're using the machine table as the 0 position. All tool heights are offset from the machine table. The G54 top of workpiece is also offset from the machine table.
Leveling of the machine is required to obtain the correct right angle geometry of the machine's X, Y, and Z axes, and to ensure the correct positioning of the tool changer. Incorrect level will result in out-of-round circle milling,
Haas CNC Alphabetical Address Codes. The following is a list of the Address Codes used in programming the Haas Mill. A Fourth Axis Rotary Motion (Setting 30, 34, 48, 108) The A address character is used….
