Programming a Part on a CNC Lathe using G Code: Step 1: Planning

In this new series from GCodeTutor, Marc will write a program to make a part on a CNC lathe using G-code.
This video is all about planning how we are going to make the part. With a solid plan in place, it is much easier and quicker to write the program.
We start by examining the working drawing, identifying any missing dimensions and solving the math to determine all the points needed to plot the profile in our program.
We also consider the correct order of operations, using best practices to machine each feature in a logical manner.
Finally, we select the appropriate tooling for each operation.
Once we have thoroughly analyzed the working drawing and determined the machining sequence, only then can we start programming our part.
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[@rusticagenerica]

You are the best Mark.

[@Zerspanerkino]

u really wanna start @ that right side? @ what face u want to support that workpiece, when u do op2? when using that mentioned u-drill, it will need some solid face to put that feeding force against! change that op to the left side first and pre maschine that cone @ the rear, leaving left enough meat for op2, to do it in one cut. then u don‘t need heavy DOC for roughing the thread. clamping on that 2.000/0.364 in soft jaws enough to securely handle op2. bonus: u have a perfect face to push against, to achive perfekt parallelism of 1st and 2nd side!💪

[@maka7541]

yeh thats also what i thought. i would start from the otehr side

[@janeblogs324]

Take a drink everytime he says Fred

[@larryblount3358]

Deep drilling is 2 inch. LoL. Looking forward to the series. My deep drilling is 5 inch in 17-4 with a 1/4 dia. ..