To perform the circular and rectangular pocket milling operation using CNC Milling.

Experiment No. : 03

Aim:

To perform the circular and rectangular pocket milling operation using CNC Milling.

Material:

Aluminum 90×90×10 mm

Tool Used:

End Drill bit 6mm

Procedure:

  1. Switch On the machine and Controller.
  2. Insert the Security key and open the software.
  3. Write the program on CNC Editor.
  4. Run and check the program.
  5. Click on the Machine Link.
  6. Set the TOOL OFFSET.
  7. Click the CYCLE RUN to start the machining.

Part Drawing:

Circular Pocket
Rectangular Pocket Milling

Part Program: –

\[\color\black{Circular \;\;Pocket}\] \[\;\] \[\color\red{G21 \;\;G94}\] \[\;\] \[\color\green{G91\;\; G28\;\; Z0}\] \[\;\] \[\color\magenta{G28 \;\;X0\;\; Y0}\] \[\;\] \[\color\black{M06\;\; T1}\] \[\;\] \[\color\red{M03\;\; S1500}\] \[\;\] \[\color\green{G90\;\; G00 \;\;X0\;\; Y0 \;\;Z5}\] \[\;\] \[\color\magenta{G170 \;\;P0\;\; Q1\;\; R0.5\;\; X0 \;\;Y0 \;\;Z-4 \;\;I0.1\;\; J0.1\;\; K25}\] \[\;\] \[\color\black{G171\;\; P50 \;\; S1200\;\; R60\;\; F100\;\; B1500 \;\; J60}\] \[\;\] \[\color\red{G170 \;\; P1 \;\; Q1\;\; R0.5\;\; X0 \;\; Y0 \;\; Z-4\;\; I0\;\; J0 \;\; K25}\] \[\;\] \[\color\green{G171 \;\; P50 \;\; S1200\;\; R60\;\; F100\;\; B1500\;\; J60}\] \[\;\] \[\color\magenta{G00 \;\; Z5}\] \[\;\] \[\color\black{G91\;\; G28 \;\; Z0}\] \[\;\] \[\color\red{G28 \;\; X0 \;\; Y0}\] \[\;\] \[\color\green{M05}\] \[\;\] \[\color\magenta{M30}\]
\[\color\green{Rectangular \;\;Pocket \;\;Milling}\] \[\;\] \[\;\] \[\color\red{G21 \;\;G94}\] \[\;\] \[\;\] \[\color\black{G91 \;\;G28\;\; Z0}\] \[\;\] \[\;\] \[\color\magenta{G28 \;\;X0\;\; Y0}\] \[\;\] \[\;\] \[\color\green{M06 \;\;T1}\] \[\;\] \[\;\] \[\color\red{M03 \;\;S1500}\] \[\;\] \[\;\] \[\color\black{G90 \;\;G00 \;\;X0 \;\;Y0\;\; Z5}\] \[\;\] \[\;\] \[\color\magenta{G172 \;\;P0 \;\;Q1\;\; R0.5 \;\;X-25 \;\;Y-17.5 \;\;Z-4 \;\;I50 \;\;J35\;\; K0}\] \[\;\] \[\;\] \[\color\green{G173 \;\;P50 \;\;S1200 \;\;T1\;\; R60\;\; F100 \;\;B1500\;\; J60\;\; Z5 \;\;I0.1\;\; K0.1}\] \[\;\] \[\;\] \[\color\red{G172 \;\;P1 \;\;Q1\;\; R0.5 \;\;X-25\;\; Y-17.5\;\; Z-4\;\; I50\;\; J35 \;\;K0}\] \[\;\] \[\;\] \[\color\black{G173 \;\;P50\;\; S1200\;\; T1\;\; R60 \;\;F100\;\; B1500\;\; J60 \;\;Z5 \;\;I0 \;\;K0}\] \[\;\] \[\;\] \[\color\magenta{G00 \;\;Z5}\] \[\;\] \[\;\] \[\color\green{G91 \;\;G28 \;\;Z0}\] \[\;\] \[\;\] \[\color\red{G28\;\; X0\;\; Y0}\] \[\;\] \[\;\] \[\color\black{M05}\] \[\;\] \[\;\] \[\color\magenta{M30}\]

Result:

When all the steps are executed, the desired machine surface is achieved with better surface finish and more accuracy. The final product is achieved as per the part program using END MILL CUTTER and G-code and M-codes.

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