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Turret punching ppt

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  • 1. TURRET PUNCHING
  • 2. Turret Punching is a process, where work piece are punched to make a desired hole of a metal sheet. it is a CNC machine used for performing punching (a turret puncher) to a material such us sheet of metal or plastic . Turret punching is a cold work process. This entails that material properties remain unchanged as they are not exposed to thermal impact during machining.
  • 3. Process The Turret Punching process produces shapes by selectively removing material from sheet metals. These sheets are clamped into the machine on a table that is programmed to move to a specific X/Y location within the matrix of the machine. The correct punch shape and size is selected at the turret and the machine actuates the punch to produce the desired hole.
  • 4. Process PreviewRaw Desired Into the machinematerial/s design Finished Start of the punch Products process
  • 5. Punching characteristics Punching is the most cost effective process of making holes in strip or sheet metal for average to high fabrication It is able to create multiple shaped holes Creates a burnished region roll-over, and die break on sidewall of the resulting hole
  • 6. Materials supportedSheet Metals including: Aluminum Galvanized Steel Carbon Steel Stainless Steel Brass Bronze Copper Monel Plastic
  • 7. Advantage/s Fast and accurate over and over again without variation. Take a less time of work than the manual punching machine. CNC punching machines commonly handle up to 1200 hits per minute and many have automated loading systems allowing for continuous operation. All kinds of metal can be turret punched, also hard stainless spring steel and some polymere types can be turret punched.
  • 8. Disadvantage/s A turret punching machine is an expensive machine It cannot punch a metal with a thickness of 6mm. Occupies large space in the work area. Warping may occur if many holes are punched or much material is removed from the sheet
  • 9. Application