Consider a CNC lathe to cut steal shafts with diameters that should meet the spe

Question

Consider a CNC lathe to cut steal shafts with diameters that should meet the specification: phi = 40.00 plusminus 0.05 mm. Let's assume the following factors can affect this metal cutting process: Cutting tool angles (5 degree, 10 degree, 15 degree): cutting speed (10, 15, 20 or 25 feet/min): feeding speed (1, 1.5, 2 inch/min): Whether the cutting fluid is used or not. Also, we need to cut 1000 shafts with accurate diameters meeting the specification. Complete step 1 to Step 3 in the guidelines for designing an experiments as given in Table 1.1 or clearly describe: 1) Problem statement 2) What should be used as the response variable 3) Describe the factors and respective levels You must clearly print your answer by using no more than 71 words (excessive words will lower your grade).

Explanation / Answer

a.1000 shafts with diameters meeting 40+-.05 mm have to be cut.

b.response variabe is diameter of the shafts

c.factors are

1.cutting tool angles.

2.feeding speed

3.presence of cuttingfluid

1st factor has 3 levels viz. 5,10,15 dehree

2nd factor has 4 levels viz. 10,15,20,25 feet/min

3rd factor has 2 levels viz. yes or no

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