Classify presses. Describe one in brief.

Classify presses. Describe one in brief.
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1 Answer

Answer :

A) According to source of power:

a) Mechanical press

b) Hydraulic press

B) According to number of slides:

a) Single action press

b) Double action press

c) Triple action press

C) According to type of frame:

a) Open frame press

b) Closed frame press

D) According to operation :

a) Punching

b) Blanking

c) Drawing

d) Bending


Mechanical (Manually operated/ Fly) Press: The press is operated by human hands. It is a bench mounted press commonly used for the production of small components. It is a simple and low cost press, suitable for light operations, like piercing, blanking, bending, etc. As the Fig. shows, the arm is rotated manually, the ram moves, up and down to perform the necessary operation. The ram is fitted with punch and the job is resting on the bed.

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