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In the relation VTn = C, the value of n for carbide tools is
Answer & Solution
Correct Answer:
Option
B
In Taylor tool life equation as (VTn = c)
V = velocity of the cutting tool (m/min),
T = tool life (min)
c, n,, taylors coeffiecients
The value of n for carbide tools is 0.20 to 0.25
V = velocity of the cutting tool (m/min),
T = tool life (min)
c, n,, taylors coeffiecients
The value of n for carbide tools is 0.20 to 0.25
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Login0.08 – 0.2
Cast Alloys
0.1 – 0.15
Carbides
0.2 – 0.5
Coated carbides
0.4 – 0.6
Ceramics
0.5 – 0.7
For HSS, n=0.08-0.2
For Carbide, n=0.2-0.6
For Ceramics, n=0.5-0.8
So, answer is (C). 0.25-0.4