Question

With reference to the following figure, The CNC part program is written to produce two holes.


N010 G71 G90 G94;
N015 M06 T101;
N020 G00 X0 Y0 Z40;
N025 X40 Y30 Z3 S600 M03 M08;
N030 G01 Z-32.4 F0.1;
N035 G00 Z3;
N040 X100 Y60;
N045 G01 Z-17.4;
N050 G00 Z3;
N055 X0 Y0 Z40 M05 M09;
N060 M02;

The above program is written in the form of

• A. Absolute program with English units
• B. Absolute program with Metric units
• C. Incremental program with Metric units
• D. Incremental program with English units

Answer 1

The correct option is B Absolute program with Metric units

The codes used are G 71 and G 90 That means

G71 - metric programming (distance traveled by tool in mm).

G90 -ABsolute mode of programming.