Mumbai University > Mechanical Engineering > Sem 5 > production process 3

Marks: 5M

Year: Dec 2015

Press machines are broadly classified into following steps:

• According to the power source:
  • Manually operated- Hand Press or fly press.
  • Power Presses: Hydraulic, Mechanical Press.
• According to the type and design of the frame :
  • Inclinable frame.
  • Group frame.
  • Straight side fram
  • Horning press.
  • Adjustable Bed Type Press.
• According to the actions (Number of rams):
  • Single Action ( Single Ram)
  • Double Action ( Two Ram)
  • Triple Action (Three Ram)
• According to the ram driving mechanism.
  • Crank Press:

• Eccentric Press:

• Toggle Press:

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• Rack and Pinion Drive for the ram

• Hydraulic Drive:

• According to the number of drive gears:
  • Single drive presses.
  • Twin Drive presses.
  • Quadruple Presses.
• According to the number of crankshafts.
  • Single Crank.
  • Double Crank.
• According to the power transmission methods.
  • Direct Drive Press.
  • Non-geared or flywheel driven press.
  • Single drive gear press.
  • Double Geared drive press.