Machine Shop Viva Questions

VIVA VOCE QUESTIONS 

1. Define Define lathe lathe 2. List the operations performed performed on the lathe lathe 3. What are the princip principal al parts of the lathe? lathe? 4. Various Various parts mounted on the lathe? lathe? 5. Mention the types of head stock . Mention the four types of tool post !. What is is an apron? ". Mention the specifications specifications of the lathe #. List the the types types of lathe lathe 1$. Define semi automatic lathe 11. %tat tate the the &ari &ario ous feed mec mechanis nisms of the the lat lathe 12. 13. 14. 15.

List 4 holdin' de&ices Define ()onicity*? +d&a +d&an nta'e ta'es s of cap capst stan an lat lathe and turre turrett lat lathe. he. Define toolin'

1. 1!. 1".

What are 3 sta'e tool layout Define shaper   List ist and e,plain lain -m -mpo porta rtan nt parts arts of shape haperr.

1#. 2$. 21.

Dri&in' Me Mechanism in in&ol&ed in in sh shaper  List and e,plain %hapin pin' operat rations rinciple of sh shapin'

22. 23. 24.

)lassification of sh shapin' mach achine %pecifications of mi millin' machine %pecifications of mi millin' machine

25. 25. 2. 2!. 2!.

)omp )ompar aris ison on /et0 /et0ee een n uni uni& &ersal rsal and and pla plain in mill millin in' ' mac mach hine ine What are cutter holdin' de&ices per perat atio ions ns of mil milli lin' n' mac machines ines and and e,p e,pla lain in each each of the them. m.

2". 2#.

Millin' cu cutter no nomenclature +d&anta'es of mi millin' machine

3$. 31. 32.

Define inde,in' ,plain n ni&ersal di&idin' he head What is cam millin'?

33. 34. 35. 3. 3.

,plain spur 'ear cuttin' Vario rious pa parts rts of of sin sin'le 'le po point cu cuttin tin' to tool Define tool si'nature What What is the the effe effect ct of /ac /ack k rak rake an'l an'le e and and ment mentio ion n its its

type 3!. 3". 3#.

Wha What is is sid side e rak rake e an' an'le le and men mention tion its its eff effe ects? ts? )onditio tions for positi& ti&e rak rake an'le )onditions for ne' ne'a ati&e rak rake an'le

4$. 41. 42. 43. 44.

Define ort orth ho'onal an and o/ o/liue cuttin tin' Define cuttin' force )hip thickness ratio actors aff affe ectin' ma machina/ility Define machina/ilty of me metal?

45. 4.

What is machina/ilty inde,? 6o0 tool life is defined?

4!. 4". 4#. 5$. 5$.

actors af affectin' to tool li life? ,pres ress ta taylor*s tool li life e euation? ,plain th the pa parts rts of of la lathe /riefly? 7ype ype of of mate materi rial als s use used d in in sin sin'l 'le e and and mult multii poi point nt cutt cuttin in' '

tool 51. ,plain /riefly a/out threa read cuttin' 52. Mechanism in&ol&ed in Lathe