A circular shape blank will be cut of 107  mm diameter from a strip of 3.5   mm with a clearance value of 0.25 mm. Take the shear strength as 400 MPa. Determine The appropriate punch diameter.  Blanking force. Blanking force when the blade angle is 5.70 o.

Precision Machining Technology (MindTap Course List)
2nd Edition
ISBN:9781285444543
Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Chapter5: Turning
Section5.3: Machining Operations On The Lathe
Problem 1RQ: If a 0.050" depth of cut is taken on the diameter of a workpiece, by how much will the diameter be...
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A circular shape blank will be cut of 107  mm diameter from a strip of 3.5   mm with a clearance value of 0.25 mm. Take the shear strength as 400 MPa. Determine

  1. The appropriate punch diameter. 
  2. Blanking force.
  3. Blanking force when the blade angle is 5.70 o.
A circular shape blank will be cut 106.7 mm diameter from a strip 3.50 mm with a clearance value of
0.25 mm. Take the shear strength as 400 MPa. Determine
a) The appropriate punch diameter.
b) Blanking force.
c) Blanking force when the blade angle is 5.70°.
Transcribed Image Text:A circular shape blank will be cut 106.7 mm diameter from a strip 3.50 mm with a clearance value of 0.25 mm. Take the shear strength as 400 MPa. Determine a) The appropriate punch diameter. b) Blanking force. c) Blanking force when the blade angle is 5.70°.
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