i want task 5 complete answers step by step please dont copy internet
the appropriate cutting tooling for the production of following feature material 3.3 Guide pin holes in die steel molds. il. Key way on high carbon steel shaft. iii. T-slot on cast iron machine tool table. Task 4 (LO3,D1) 4.1 A work piece of 300mm diameter and 600 mm length is to be turned down to for the The suggested feed is 1.2mm/revolution and the cutting speed is 162m/min. The maximum depth of cut is 4.5mm. Assuming the tool over travel is 12.0mm and approach calculate the followings. Spindle r.p.m Feed speed ii. Material removal rate iv. Cutting time 4.2 For turning a carbon steel cylinder bar of length 3.6m and at feed rate of rev with a HSS tool, one of the two available cutting speeds is to be selected. These two cutting speeds are 1 The life corresponding to the speed of 120m/min is known to be 15 minutes with tool life constant n 0.6. The cost of machining time, set-up time time is Rs.1.5/sec. cost of one tool re-sharpening is Rs.25. which of the above two cutting speeds should be selected from the point of view of the total cost of producing this part? Prove your argument. Task 5 (LO2,L01,D2) 5.1 Describe six degrees of freedom of a rigid body and how they relate to work holding the techniques. 5.2 Describe work and tool holding devices used in the centre lathe. 5.3 5.3 head bolt, plan and explain the sequence of operations required to produce this component Fig 5.3
5.1) If we will take ship in the sea as a rigid body, then it has six degrees of freedom.
They are....
5.2) work holding devices:
The work holding devices are used to hold and rotate the workpieces along with the spindle. Different work holding devices are used according to the shape, length, diameter and weight of the workpiece.Some of them are given below.
1.carriers
2.mandrills
3.centers
4.face plate
5.driving plate
6.chucks
7.catch plate &
8.rests
Tool holding devices:
Some of the tool holding devices are C-clamps,A-clamps,center punch,angle plate,paralell clamp,prick punch,scriber,T-bolts,U-clamps & V-blocks.
5.3) Sequence of operations:
1.cutting
2.machining
3.shaping
4.surface finishing
5.threading
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