1. Which component of lathes provides motion to a workpiece? Quill Carriage Cros
ID: 2074338 • Letter: 1
Question
1. Which component of lathes provides motion to a workpiece?
Quill
Carriage
Cross slide
Spindle
Tailstock
2. A belt pulley is cast and needs machining (search the Internet if you do not know how it looks like). The hub has draft angles (it has conical shape), and has short length – that means it is very inconvenient for holding. The hole is already machined. The next operation is turning of the outer surface which will be in contact with the belt. The outside surface should be concentric with the hole, as well as smooth and continuous, without any marks. What workholding would be best suited to fix this pulley on the lathe?
Faceplate
Collet
Mandrel
Chuck
Dog with a dogplate
3. A workpiece is fixed in the lathe between two live centers, one center being in the spindle and another in the tailstock quill. What is used in this situation to transfer the torque from the spindle to the workpiece?
Collet
Chuck
Faceplate
Dog with a dogplate
Mandrel
4.
Which method of workholding on the spindle provides the smallest runout?
Faceplate
Live center with dog
Collet
Three-jaw chuck
Live center
a.Quill
b.Carriage
c.Cross slide
d.Spindle
e.Tailstock
Explanation / Answer
1. Spindle provides motion to a workpiece. the workpiece is attached to spindle using a 3jaw chuck or 4 jaw chuck.
2. face plate is best used for holding the belt pully.
3. chuck will be in between spindle and workpiece, hence it transfers the torque.
4.3 jaw chuck provides smallest run out
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