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Milling with the Lab-Volt 5600

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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  1. Milling with the Lab-Volt 5600 02/27/08

  2. 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

  3. 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

  4. What’s g-code? • A type of Industrial Standard Operation (ISO) codes. • We will use their conversational equivalents.

  5. G-CODE DEMO

  6. Coordinate System

  7. 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.

  8. PRZ

  9. ALWAYS Emulate Before Milling!!

  10. 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

  11. 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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