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Seminar
On
CNC Machine
Content
 Introduction
 Meaning of CNC Machines
 History
 Why Use CNC Machines
 Use of Typical CNC Machines
 Parts of CNC Machines
 Advantages
 Disadvantages
 Conclusion
MEANING OF ‘CNC’
CNC means Computer Numerical Control. This
means a computer converts the design into numbers
which the computer uses to control the cutting and
shaping of the material.
 1949:US Air Force asks MIT to develop a
"numerically controlled" machine.
 1952:Prototype NC machine demonstrated
(punched tape input).
 1980:CNC machines (computer used to link
directly to controller)
 1990:DNC: external computer “drip feeds”
control programmer to machine tool controller
Uses CNC Machines
 Increase production throughput
 Improve the quality and accuracy of
manufactured parts
 Stabilize manufacturing costs
 Manufacture complex or otherwise impossible
jobs -2D and 3D contours
USE OF TYPICAL CNC MACHINE
 The design is loaded into the computer which is
attached to the CNC machine.
 The computer changes the design into a special code
(numerical) that controls the way the CNC cuts and
shapes the material.
USE OF TYPICAL CNC MACHINE
The material to be
shaped is taped on to a
block with double sided
tape. This must be done
carefully so that it does
not come off the block
during machining.
CNC Lathe machine
 A CNC machine is normally controlled
by a computer and software. However,
most CNC machines have a range of
controls for manual use. It is rare for a
CNC machine to be used manually as
simple operations are best carried out
on cheap/basic/manual machines. When
a CNC machine is used manually it is
been used well below its capability and
specification.
CNC ROUTER - THE IMPORTANT PARTS
CNC MACHINES AND SAFETY
 CNC machines are very safe to use as they are designed to be
as safe as possible.
 One of the main advantages of CNC machines is that they are
much safer than manually operated machines.
conclusion
 CNC mean computer numerical control machine it’s a
form of programmable automation drill drawings on
wood use g coding consist of 3 motors and their
drivers and pic with its basic circuit and body made
of wood hold on motors and drill and the wood we
want to draw on it
 We tried to make cheap fast safety cnc machine that
drill on wood piece according to any drawing we
draw to it.
THANK YOU
Made by :-Sangharsh r kamble
Approval:-

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CNC machine

  • 2. Content  Introduction  Meaning of CNC Machines  History  Why Use CNC Machines  Use of Typical CNC Machines  Parts of CNC Machines  Advantages  Disadvantages  Conclusion
  • 3. MEANING OF ‘CNC’ CNC means Computer Numerical Control. This means a computer converts the design into numbers which the computer uses to control the cutting and shaping of the material.
  • 4.  1949:US Air Force asks MIT to develop a "numerically controlled" machine.  1952:Prototype NC machine demonstrated (punched tape input).  1980:CNC machines (computer used to link directly to controller)  1990:DNC: external computer “drip feeds” control programmer to machine tool controller
  • 5. Uses CNC Machines  Increase production throughput  Improve the quality and accuracy of manufactured parts  Stabilize manufacturing costs  Manufacture complex or otherwise impossible jobs -2D and 3D contours
  • 6. USE OF TYPICAL CNC MACHINE  The design is loaded into the computer which is attached to the CNC machine.  The computer changes the design into a special code (numerical) that controls the way the CNC cuts and shapes the material.
  • 7. USE OF TYPICAL CNC MACHINE The material to be shaped is taped on to a block with double sided tape. This must be done carefully so that it does not come off the block during machining.
  • 9.  A CNC machine is normally controlled by a computer and software. However, most CNC machines have a range of controls for manual use. It is rare for a CNC machine to be used manually as simple operations are best carried out on cheap/basic/manual machines. When a CNC machine is used manually it is been used well below its capability and specification.
  • 10. CNC ROUTER - THE IMPORTANT PARTS
  • 11. CNC MACHINES AND SAFETY  CNC machines are very safe to use as they are designed to be as safe as possible.  One of the main advantages of CNC machines is that they are much safer than manually operated machines.
  • 12.
  • 13. conclusion  CNC mean computer numerical control machine it’s a form of programmable automation drill drawings on wood use g coding consist of 3 motors and their drivers and pic with its basic circuit and body made of wood hold on motors and drill and the wood we want to draw on it  We tried to make cheap fast safety cnc machine that drill on wood piece according to any drawing we draw to it.
  • 14. THANK YOU Made by :-Sangharsh r kamble Approval:-

Editor's Notes

  1. #