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Showing posts with label G-code. Show all posts
Showing posts with label G-code. Show all posts

Monday, September 5, 2011

A Code used in CNC Programming

G Code - A Code used in CNC Programming
G-code is the common name for the most widely used numerical control program language. G-codes are also called as preparatory codes, and are any word in a CNC program that begins with the letter. G-code programming environments have evolved in parallel with those of general programming from the earliest environments like writing a program with a pencil or typing it into a tape puncher to the latest environment that stack CAD,CAM and richly featured G-code editors.

Generally it is a code telling the machine tool what type of action to perform, such as:

G-code command
- Rapid Move

- Controlled feed move in a straight line or arc

- Series of controlled feed moves that would result in a hole being bored,a work piece cut(routed) to a specific dimension,or decorative profile shape added to the edge of a work piece

- Set tool information such as offset

G-code
G-code began as a limited type of language that lacked constructs such as loops,conditional operators,and programmer-declared variables with natural-word-including names (or the expressions in which to use them).It was thus unable to encode logic;it was essentially just a way to connect the dots where many of the dots locations were figured out longhand by the programmer.The latest implementations of G-code include such constructs,creating a language somewhat closer to a high-level programming language.The more a programmer can tell the machine what end result is desired,and leave the intermediate calculations to the machine,the more s/he uses the machine s computational power to full advantage.

G-code program



Thursday, February 3, 2011

CNC Machine Language G-Code List

G - Code is one of the languages of computer code used to add equipment CNC machines that move their need to perform such a task can coordinate around and repeated several times. Industry has standardized on G - code is a set of basic CNC machine code.

G - Code is a programming language, the most popular use for programming machine CNC G words to change the status of the machine to be switched from the cut line to a curve wrapping the other lead to interpretation. G is the number of millimeters instead of inches, some words that G set or remove the tool length or offset diameter

G-Code : Description

G-codes
G00= Rapid Linear Interpolation
G01= Linear Interpolation
G02= Clockwise Circular Interpolation
G03= Counter Clockwise Circular Interpolation
G04= Dwell
G05= High Speed Machining Mode
G10= Offset Input By Program
G12= Clockwise Circle With Entrance And Exit Arcs
G13= Counter Clockwise Circle With Entrance And Exit Arcs
G17= X-Y Plane Selection
G18= Z-X Plane Selection
G19= Y-Z Plane Selection
G28= Return To Reference Point
G34= Special Fixed Cycle (Bolt Hole Circle)
G35= Special Fixed Cycle (Line At Angle)
G36= Special Fixed Cycle (Arc)
G37= Special Fixed Cycle (Grid)
G40= Tool Radius Compensation Cancel
G41= Tool Radius Compensation Left
G42= Tool Radius Compensation Right
G43= Tool Length Compensation
G44= Tool Length Compensation Cancel
G45= Tool Offset Increase
G46= Tool Offset Decrease
G50.1= Programmed Mirror Image Cancel
G51.1= Programmed Mirror Image On
G52= Local Coordinate Setting
G54 - G59= Work Coordinate Registers 1 Thru 6

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