862-FORGING DIES DIE CASTING DIES & DIE MAINTENANCE … · 17Mn1Cr95 quantity of forgings to be rx-lade grade of rnaterial to be forged shape of the part type forgings to be type

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