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Milling with the Lab-Volt 5600. 02/27/08. Agenda. Introduction to g-code Create a design for a 2”x2” piece of milling stock Graph on paper Create the g-code for the paper design. Vocabulary.

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Milling with the Lab-Volt 5600

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Milling with the lab volt 5600 l.jpg

Milling with the Lab-Volt 5600

02/27/08


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Agenda

  • Introduction to g-code

  • Create a design for a 2”x2” piece of milling stock

    • Graph on paper

    • Create the g-code for the paper design


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Vocabulary

  • CNC - a computer that reads G-code instructions and drives a milling machine in order to milling a part

  • End mill - a cutting to similar to a drill bit in appearance with cutting edges on its circumference

  • PRZ - programmed reference zero


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What’s g-code?

  • A type of Industrial Standard Operation (ISO) codes.

  • We will use their conversational equivalents.


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G-CODE DEMO


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Coordinate System


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Coordinate System

  • (x,y,z) where

    • x axis parallels the front of the cnc mill

    • Y axis parallels the side of the cnc mill

    • Z axis parallels the height of the cnc mill

  • (x,y,z) = (0,0,0) or the Programmed Reference Zero is set before cutting to be a position at the top of the mill stock at its left front corner.

    • This means that to cut the material, the end mill’s z coordinate will need to be negative.


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PRZ


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ALWAYS Emulate Before Milling!!


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Straight Lines

  • FEED 5

  • SPEED 1500

  • MOVE

  • X.125 Y.125 Z0.1 RAPID

  • Z-.125

  • X.75

  • Y.375

  • X.365

  • Y.625

  • Z.1 RAPID

  • END


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In class assignment

  • Using the graph paper provided draw a maze to be milled with an 1/8” end mill.

  • Write the g-code to mill it.

  • Run the simulations in four views.


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