Activities 1. Read the following program and determine which canned cycle should

Question

Activities 1. Read the following program and determine which canned cycle should be used to shorten the program. Rewrite the program with the canned cycle. 00001 N10 (XOYO is located in the upper-left corner of the workpiece) N20 (ZO is located on the top of the workpiece) N30 (Tool 1 is a No. 8 drill) N40 T1M6 (No. 8 drill) N50 G90G54S2200OM3 N60 GOOX1.0Y-1.0 N65 M8 N70 G43H01Z.2 N80 G01Z-.25F3.0 N90 GO0Z.2 N100 G01Z-5F3.0 N110 GOOZ.2 N120 G01Z-.75F3.0 N130 GOOZ.2 N140 G01Z-1.0F3.0 N150 GOOZ.2M9 N160 G91G28ZOG49

Explanation / Answer

Study of given program:

1)After initializing X and Y location where the drilling has to start, drilling in Z direction proceeds.

2)Initial location is given as 0.2, then drilling proceeds till -0.25 into the workpiece,then returns back to 0.2

3) The procedure continues with step of 0.25 till the depth of -1.0 is achieved. This is called "Peck Drilling"

The type of Canned cycle to be used, which exactly matches the above criteria is "G83"

Program:

N10 (X0Y0)

N20 (Z0)

N30 (Tool 1 ia a No,8 Drill)

N40 T1M6

N50 G90 G54 S2200 M3

N60 G00 X1.0 Y-1.0 M8

N70 G43 H01 Z0.2 (Bringing tool to drilling location)

N80 G83 Z-1.0 R0.2 Q0.25 F3.0 M9( tool returns to 0.2 everytime it steps down by 0.25 till -1.0. Note(Q cant be negative)

N90 G91 G28 Z0 G49

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