The original drill file you supplied was probably missing necessary NC commands, so during drill export FAB 3000 included those necessary NC commands.
Note: What usually happens is when you send drill files generated directly from PCB CAD software, every vendor/board shop that must use your drill files has to assume the units (are they inches or metric?), are zeros leading & not trailing, plus other assumptions. After assumptions have been made, they will then import it into their CAM software (verify if they made correct assumptions or else re-load your drills again) and then export new drills that containing those additional commands which FAB 3000 has already added for you. FAB 3000 eliminates the guesswork by adding those required commands from the start.
Original Drill file header: ================
%
M48
T01C0.0201
T02C0.0252
T03C0.0319
T04C0.0402
T05C0.0472
T06C0.0500
T07C0.0630
T08C0.1575
%
FAB 3000 Drill File Header: ===========================
M48 INCH,LZ ≪≪----------- (Use the inch measuring system with leading zeros) VER,1 ≪≪----------- (Use Version 1 X and Y axis layout) FMAT,2 ≪≪----------- (Use Format 2 commands) T01C0.0201 T02C0.0252 T03C0.0319 T04C0.0402 T05C0.0472 T06C0.0500 T07C0.0630 T08C0.1575 DETECT,ON ≪≪----------- (Detect broken tools) ATC,ON ≪≪----------- (Use Automatic Tool Change) % G90 ≪≪----------- (Use Absolute Coordinates)
Note: What usually happens is when you send drill files generated directly from PCB CAD software, every vendor/board shop that must use your drill files has to assume the units (are they inches or metric?), are zeros leading & not trailing, plus other assumptions. After assumptions have been made, they will then import it into their CAM software (verify if they made correct assumptions or else re-load your drills again) and then export new drills that containing those additional commands which FAB 3000 has already added for you. FAB 3000 eliminates the guesswork by adding those required commands from the start.
Original Drill file header:
================
%
M48
T01C0.0201
T02C0.0252
T03C0.0319
T04C0.0402
T05C0.0472
T06C0.0500
T07C0.0630
T08C0.1575
%
FAB 3000 Drill File Header:
===========================
M48
INCH,LZ ≪≪----------- (Use the inch measuring system with leading zeros)
VER,1 ≪≪----------- (Use Version 1 X and Y axis layout)
FMAT,2 ≪≪----------- (Use Format 2 commands)
T01C0.0201
T02C0.0252
T03C0.0319
T04C0.0402
T05C0.0472
T06C0.0500
T07C0.0630
T08C0.1575
DETECT,ON ≪≪----------- (Detect broken tools)
ATC,ON ≪≪----------- (Use Automatic Tool Change)
%
G90 ≪≪----------- (Use Absolute Coordinates)
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