CNC vs VMC: Understanding the Key Differences
CNC means Computer Numerical Control and VMC means Verticle Machining Center. There is no difference between CNC and VMC , because VMC is a type of CNC . But here we see the difference between CNC Lathe and VMC /CNC Milling.
|
CNC Machine [Lathe] |
VMC machine [Milling] |
| 1) Main application of CNC is turning . | 1) Main application of VMC is milling. |
| 2)There is two axis X & Z | 2) There is three axis . |
| 3) Workpiece is rotate . | 3) Tool is rotate . |
| 4) Tool axis in CNC is X & Z . | 4) But in VMC there is only one tool axis i.e. Z |
| 5) In CNC we take geometrical offset of X & Z axis . | 5) In VMC we take geometrical offset of only Z axis . |
| 6) Offset selection & tool position : T0606 Where, first 06 – tool no , second 06 – offset no | 6) Offset selection & tool position : G43 H2 Z20 Where, G43- tool offset command , H2 – tool offset no , Z20 –tool position . |
| 7) Tool rotation is not possible . | 7) In VMC tool is rotate . |
| 8) Tool hold in turret . | 8) Tool hold in tool magazine . |
| 9) During cutting tool feed support provide by turret | 9) During cutting tool feed support provide by spindle . |
| 10) There is single work station due to no need of work coordinate . | 10) There multiple work station is possible . So need of work coordinate G54 –G59 |
| 11) Workpiece hold in chuck . | 11) Workpiece hold in vise or fixture |
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CNC Machine
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