To perform the Programming for Threading Cycle using CNC Lathe.

Experiment No. : 10

Aim:

To perform the Programming for Threading Cycle using CNC Lathe.

Material:

Aluminum ɸ 25.4mm

Tool Used:

Carbide tool

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:

Part Program:

\[\color\green{Minor \;\;Diameter\;\; Calculation}\] \[\;\] \[\;\] \[\color\green{d\;=\; Minor\;\; Diameter}\] \[\;\] \[\;\] \[\color\green{D\;=\; Minor \;\;Diameter}\] \[\;\] \[\;\] \[\color\green{P\;= \;Thread\;\; Height}\] \[\;\] \[\;\] \[\color\red{d\;=\; D – 2 (P)}\] \[\;\] \[\;\] \[\color\red{d\;= \;32 – 2 (0.613)}\] \[\;\] \[\;\] \[\color\red{d\;=\; 32 – 1.226}\] \[\;\] \[\;\] \[\color\red{d\;= \;30.774}\] \[\;\] \[\;\] \[\color\green{Thread \;Height, \;\;P \;= \;0.613\; * \;Pitch\; of\; the \;Thread}\] \[\;\] \[\;\] \[\color\red{= \;0.613 \;*\; 1}\] \[\;\] \[\;\] \[\color\red{P\; = \;0.613}\] \[\;\] \[\;\] \[\color\red{G21 \;\;G98}\] \[\;\] \[\;\] \[\color\red{G28\;\; U0\;\; W0}\] \[\;\] \[\;\] \[\color\red{M06\;\; T1}\] \[\;\] \[\;\] \[\color\red{M03 \;\;S1500}\] \[\;\] \[\;\] \[\color\red{G00\;\; X32.5 \;\;Z5}\] \[\;\] \[\;\] \[\color\red{G76\;\; P040060 \;\;Q50\;\; R0.01}\] \[\;\] \[\;\] \[\color\red{G76 \;\;X30.774\;\; Z-14\;\; P613\;\; Q100\;\; F1}\] \[\;\] \[\;\] \[\color\red{G28 \;\;U0\;\; W0}\] \[\;\] \[\;\] \[\color\red{M05}\] \[\;\] \[\;\] \[\color\red{M30}\]

Result:

After execution of all steps, the required surface is produced with better surface finish and high accuracy.

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