DESIGN A PART PROGRAM FOR CNC MACHINE

convectional machining 

     https://www.youtube.com/watch?v=P1zAKJr1FXk

CNC MACHINE: Conventionally, an operator decides and adjust various parameters like, feed depth of cut, speed of spindle depending on type of jobs and control the slide  movements by hands.In CNC machine functions and slide movements are controlled by motors using computer program.  

CNC Machine Working: WORKING OF CNC MACHINE

Part Program: A part program is a set of instructions given to a computerized numerical control (CNC) machine to control its operation. It include numbers, letters and symbols. there are different format for writing part program.

Word Address Format  (WAT)

N    G     X   Y    Z   U   V    W     I     J    K     F    S     T    M

N : Sequence  number of program

G : Functional code

X ,Y  Z : Fundamental axis

U V W : Secondary axis

I J K : Corresponding axis for circular interpolation

F: feed rate 

S :Spindle speed

T : Tool number

M : supplementary code for machining 

Axis nomenclature of lathe machine:

Axis nomenclature of Milling machine:

BASIC G CODE AND M-CODE

Tool path simulation :tool pathe simulation for lathe machine

tool path simulation for milling machine

WRITE A PART PROGRAM FOR GIVEN JOB: