4.l I. How can you tell whether a certain part is forged or
cast? Explain the features that you would investigate.
I4. I 2. Identify casting design rules, described in Section 12.2,
that also can be applied to forging.
|4.l3. Describe the factors involved in precision forging.
l4.l4. Why is control of the volume of the blank important
in closed-die forging?
|4.l5. Why are there so many types of forging machines
available? Describe the capabilities and limitations of each.
l4.l6. What are the advantages and limitations of (a) a cogging
operation and (b) isothermal forging?
l4.l7. Describe your observations concerning Fig. 14.16.
|4.l8. What are the advantages and limitations of using die
inserts? Give some examples.