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CNC Canned Cycles – Drilling
In the previous blog, we saw what canned cycles were and how turning canned cycles work. In this part, we’ll take a look at Drilling Canned Cycles, what they are, how they work, and what codes are used.
Assume that we have to drill five holes of depth 1 cm in a block of thickness 3 cm, length 6 cm, and breadth 6 cm. The diameter of each hole is 1.2 cm. The only thing the elongates this code compared to the previous one is that we have to mention the coordinates of each center of the holes. Other than that this is also a short and sweet code rather than the long code that needs to be written without a canned cycle. The code looks like this –
N10 T16 M06
N20 G90 G54 G00 X10 Y-10
N30 S1450 M03
N40 G43 H16 Z1. M08
N50 G81 G99 Z-10 R0.1 F9.
N60 X50
N70 Y-50
N80 X10
N90 G80 G00 Z1. M09
N100 G53 G49 Z0. M05
The G code for Canned Cycle for drilling is G81. Its function is the Fanuc drilling cycle. It can be used to simplify long lines of codes in fewer lines.
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