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BASIC CNC MILL OPERATION

FADAL ENGRAVE PROGRAM

 

 

One of the most common programs I use is this simple engraving program for Fadals.  It uses the Fadal subroutine L9201 for engraving.  I use it to engrave X,Y and Z information of fixtures or soft jaws along with customer, part number, or other relevant information.

 

I like to use an 1/8 “ spot drill.  I eyeball my X0 and Y0 on the jaws or the fixture for the bottom left location of the first letter to be engraved.

 

You can see here I am using Tool 16 and the offset is E21.

 

%
N1O99( PROGRAM –  ENGRAVE)
N2T16M6
N3G0G17G40G49G80G90
N4G0G90M3S5000
N5E21X0Y0
N6Z2.5G43H16D16
N7Z0.25M8
N8L9201R1+0R2+0.2R3+0Z-0.005F25.R+0.25(PART#
N9G0Z0.25
N10Z2.5
N11M5
N12M9
N13T16M6
N14G49
N15G91G28Z0
N16X0Y0
N17M2
%

 

 

N8 is the block that has the subroutine magic.

 

R1+ controls the font.  0=a standard gothic font

1=a stencil type Gothic font

2=a standard serialization font

3=serialization stencil font

 

R2+ is the height of your characters.  The maximum is 2.5”

 

R3+ is the angle of the engraving.

 

R0+ is the clearance plane in between characters

 

There is also a R4+ value for incremental serialization of parts, but I’ll keep it simple here.

 

In N8 you can see at the end (PART#  .  This is where the characters to be engraved are entered.  For example, to have part number 1234 engraved, N8 would look like this:

 

N8L9201R1+0R2+0.2R3+0Z-0.005F25.R+0.25(PART NUMBER 1234

 

Anything after the “(“ is what will be engraved.

 

N8L9201R1+0R2+0.2R3+0Z-0.005F25.R+0.25(I WAS HERE was my favorite to upset the foreman at a couple shops.

 

I’ve included it as a cheat sheet HERE

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