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862-FORGING DIES DIE CASTING DIES & DIE MAINTENANCE –ANSWER KEY
PART-A
1.
2. Wear resisting alloy steel, straight carbon steel
3. Hot chamber process, cold chamber process
4.
5.
6.
7.
8. Cracks, laps, tears, pitting, coarse grain wrinkle, dents, underfilling,blow holes,cold shut,mismatching
PART-B
9.
10.
11 .a) hydraulic with toggles b) straight hydraulic c) mechanical with toggles
12.
13.
14.
15.
16.
PART-C
17. (A)
17. (B)
18 (A)
18 (b)
19 (A)
19 (b)
20 (a)
20 (b)
21 (a)
21 (b)
PREPARED BY
P.MURUGAPANDI
LECTURER (34132006)
413-ITE-DGL