Question

QUESTIONS LO MARKS 3.1 A cylindrical workpiece is turned on a lathe. The spindle speed of the lathe is 2750 RPM and the feed is 0.01 cm The length of the part is 315 mm, the initial radius of the part is 60 mm, and a single cut is taken with a depth of 3 mm (a) How long (in seconds) will the turning operation take. Show all your working (1 marks) DM = b = 3.15 -= o.ll = 6.6 se v 245000.00 marks) What volume of material will be removed during 10 seconds of machining d-depth of cut, r= Vremoved - Vinitial - Vfi mei = (v?-(-1)) LTI (06-057) 3.15 = T(0.68 0.57) 10-tants en Vienoved - aillosos um

Answer 1

ne spille Speed o Lahe CN )- 2750 YPrm toul feed ) o ol Cr/ev diameter oo ev Longth of e ylinder ()-315 mn initial radius (Y;) - deph of cut im Teed now, (a) Time (Secods) for tuning operaton fox sirgle cut ( T) f - feed/minule o ev /mnde N omeX 27 SO Yev 215 Y/Tmi)' mim tool hanell time to rawell distamce i- 31s m is 215 31S 45 min 215 T- -145 minule- 63.12Becomd deph of cut x 3mn m Single cuk -6o-3 finaly Lel volume hemoved during V to second * distence reelled by tool in 1o sec z distence bavelledl by tol im 68.72 secomd: G8.72 3lS: 45.838 mm .: Anea emouedl im loec CA) rCCo- s72)= 1102.69 m Valume nemoved s lo sec (V)- Ax J' -02*c9k. SOS4S.1o r Au 4S 38