CNC Interview Questions
Follow YT video for explanation : https://youtu.be/-9A3wAsfDWw
Q. (1) Who is known as the father of CNC?
Ans.> John T. Parsons
Q. (2) What are the elements of CNC Machines?
Ans.> 1.Input device
2.CPU / Machine Unit
3.M/C Tool
4.Driving System
5.Feedback Device
6.Display Unit
Q. (3) What are the Difference between Milling and Turning?
Ans.>
Q. (4) What type of motors are used in CNC Machines?
Ans.> 1....
General terms used in CNC Machining
These 8 terms are most commonly used in CNC Machining terminology;
1. Cutting Tool -
Cutting tools are designed to cut the workpiece material which should be hard enough compared to workpiece material
Types of cutters used ;
- Face Mill cutter
- End Mill cutter
- Shell End Mill Cutter
- Center Drill Cutter
- Twist Drill Cutter
- Slot Drill Cutter
-...
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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Watch the video and find out which bike brand is ranking on the top.
There is complete details of ranking on the basis of market capitalization from 1955-2020