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Power Presses

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Turret Punch. Hydraulic Forming Machines and Dies. Pressures ... http://www.franklinfastener.com/images/four004.jpg. Turret Punches. Punch/Laser Machine ... – PowerPoint PPT presentation

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Title: Power Presses


1
Chapter 7
  • Power Presses

2
Stamping
One example of a product produced on a power press
http//www.advproducts.com/image/stamping/2-600.jp
g
3
http//en.wikipedia.org/wiki/Progressive_stamping_
die
4
Gap-Frame Presses
  • Also called C-frame presses
  • OBI Open-back inclinable
  • OBS Open-back stationary

5
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6
Straight-Side Presses
  • Typically used for higher production volumes with
    higher precision required.

http//www.toolingsystemsgroup.com/ats/images/ATS_
open.jpg
7
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8
Mechanical Vs. Hydraulic
  • Mechanical
  • Capacities to 6,000 tons
  • Force varies throughout the stroke
  • Limited/difficult overload protection
  • Hydraulic
  • 50,000 ton capacities
  • Large force available at the top of the stroke
  • Overload protection

9
https//www.getransportation.com/general/locomotiv
es/specsheets.asp
10
50,000 tons?
The Loewy 50,000 ton press during construction.
One of eighteen columnar plates (circa 1954).
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13
Rigidity
14
Double Action Press
Draw Slide
Blankholder Slide
15
Die Cushions(pressure pads)
  • Pneumatic or Hydraulic
  • Apply pressure to flat blanks for drawing
  • Serve as liftout or knockout devices

http//www.daytondiecushions.com/Flash2.htm
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17
Other Press Types
  • Hydraulic Forming
  • Multiple-Slide
  • Turret Punch

18
Hydraulic Forming Machines and Dies
  • Pressures range between 5,000 and 45,000 psi

19
Multiple-Slide Forming
http//www.franklinfastener.com/images/fourslide00
4.jpg
20
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21
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22
Turret Punches
  • Punch/Laser Machine

23
(No Transcript)
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