Introduction to CNC Technology
NC is the automation of machine tools that are operated by precisely programmed commands encoded on a storage medium, as opposed to controlled manually by hand wheels or levers, or mechanically operated by cams alone.
Most NC today is CNC in which computers play an integral part of the control.
NC (Numeric Control) - Drawbacks ;
1. No program...
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Elements of CNC System :
These are the 6 elements of CNC Machines :
1.Input device
2.CPU / Machine Unit
3.M/C Tool
4.Driving System
5.Feedback Device
6.Display Unit
Input Device : Input device can be any of these devices -
Floppy Disk Drive
USB Flash Drive
Serial Communication
Ethernet Communication
Conversation Programming
CPU/MCU
Heart of the CNC
Accepts info stored in the memory as part program
Data is decoded...
Mechanism of CNC Machine:
Controller --> Servomotor --> Lead screw rotation --> Table movement --> Position sensed by encoder --> Feedback
CNC Machine axis movement - Ball Lead screw mech.
CNC Milling spindle rotation - Direct drive
CNC Lathe spindle rotation - Belt Pulley drive
Programming Languages used :
- ISO Mode
-- Dialogue mode
Controller :
- Controller is the brain of CNC
- Controller completes the entire...
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There is complete details of ranking on the basis of market capitalization from 1955-2020
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CNC Machines uses numbers, letters and different alphabets known as codes. These codes are used to control the machine for machining purpose.
Watch the video for commonly used codes in Milling and Turning operations.
CNC Milling and Turning
What is a machine ?
Definition - Machine is a device which can convert one form of energy to another form and simultaneously reduce human effort.
What is a tool ?
Tool is a device which makes our work easier.
Machine Tool - M/C which can produce its own parts (not all) as well as other parts. Ex - Lathe,...
