Sagot :
Answer:
G-codes, also called preparatory codes, are any word in a CNC program that begins with the letter G. Generally it is a code telling the machine tool what type of action to perform, such as: Rapid movement (transport the tool as quickly as possible in between cuts) Controlled feed in a straight line or arc.
Explanation:
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✍• Although G-codes are generally self-explanatory, a number of conventions are used in a CNC program. Programs start and end with the percent symbol, and the program is always named using a format of O0001 to O9999. G-code is, for the most part, modal, meaning that any command will remain active until canceled or reset with another command. Tools are moved according to interpolation; that is, a move that combines changes in both X and Y coordinates, for example, will actuate both axes simultaneously to move the tool along a straight path.
For additional information please refer to other related articles in this series listed at the end of this article.
Commands
Table 1 below lists common G-code commands along with their interpretation in both turning or milling operations.
Table 1 - G-Code Commands for Turning and Milling Operations
Code
Turning
Milling
G00
Fast move
Fast move
G01
Linear interpolation
Linear interpolation
G02
Circular Interpolation CW
Circular Interpolation CW
G03
Circular interpolation CCW
Circular interpolation CCW
G04
Dwell
Dwell
G09
Exact stop check
Exact stop check
G10
Data setting
Data setting
G11
Data setting cancel
Data setting cancel