Basic Explanation Of G & M Codes - Basic Mill Operator Questions and Answers 2023 Complete
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Basic Explanation Of G & M Codes
Basic Explanation Of G & M Codes - Basic Mill Operator Questions and Answers 2023 Complete
The basic milling machine is capable of moving in how many directions?
3 directions or axes
When the machine moves, we describe the machine as moving in a specific axis. What direction is the X-axis move...
basic explanation of g amp m codes basic mill oper
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Basic Explanation Of G & M Codes - Basic Mill Operator
Questions and Answers 2023 Complete
The basic milling machine is capable of moving in how many directions?
3 directions or axes
When the machine moves, we describe the machine as moving in a specific axis.
What direction is the X-axis movement?
Side to side
The Machine Coordinate System defines where the axes can move, and how far
they have moved.
True
The 3 axes are X, Y, and Z. When all 3 axes are at 0.000 in the Machine Coordinate
System, we call that position:
The Home Position
When the table is positioned with both X and Y axes at the Zero position, table
movement in either the X or the Y axis is in the positive direction.
False
For the Z axis, the Zero position is with the spindle all the way up, or at the top of
travel. When the spindle is moved down, toward the table, the machine
coordinate system for the Z axis gets more negative.
True
The Work Coordinate System tells the machine where the workpiece and the tools
are in relation to the Machine Coordinate System:
True
The work offsets in the machine define:
The important starting points for the workpiece, as they relate to the Machine
Coordinate System
When establishing work offsets, it is important to know the exact location of the
cutting tool tip in relation to the face of the spindle. The length between the tip of
the tool and the face of the spindle is called:
Tool coordinate or tool offset
Another useful display of coordinates is the Program Coordinate Display. The
Program Coordinate Display will treat our workpiece as our new zero starting
point.
True
The common language used to tell computerized machine tools how to make
things is:
G-code
There are two basic types of function codes used in CNC programming. Those
code types are G and M codes.
True
G-codes tell the machine how to behave or what to do. What do the M-codes do?
Act as switches that turn a function On or Off
Both G- and M-codes can have letter addresses in the line of code that provide
additional instructions to the machine.
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