CameraIcon

SearchIcon

MyQuestionIcon

223

You visited us 223 times! Enjoying our articles? Unlock Full Access!

Growth of Tool Wear as Function of Time

Cutting tool ...

Question

Cutting tool is much harder than the workpiece. Yet the tool wears out during the tool-work interaction, because

A

extra hardness is imparted to the workpiece due to coolant used

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

oxide layers on the workpiece surface impart extra hardness to it

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

extra hardness is imparted to the workpiece due to severe rate of strain

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

vibration of induced in the machine tool

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C extra hardness is imparted to the workpiece due to severe rate of strain
Cutting tool is much harder than the workpiece. Yet the tool wears out during the tool-work interaction, because extra hardness is imparted to the workpiece due to severe rate of strain.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Under certain cutting conditions, doubling the cutting speed reduces the tool life to

{(\frac{1}{16})}^{t h}

of the original. Taylor's tool life index(n) for this tool-workpiece combination will be

Q. During a tool-wear test with a HSS tool, the following data are obtained:

Tool life	Cutting speed
30 min	20 m/min
5 min	75 m/min

The tool life of the tool if cutting velocity is 50 m/min, is

Q. The cold forming process in which a hardened tool is pressed against a workpiece (when there is relative motion between the tool and the workpiece) to produce a roughened surface with a regular pattern is

Q. Consider the following statements with respect to the relief angle of cutting tool:
1. This affects the direction of chip flow.
2. This reduces excessive friction between the tool and workpiece
3. This affects tool life
4. This allows better access of coolant at the tool workpiece interface
Which of the statements given above are correct?

Q. When turning a workpiece, two different tools are used. In the 1st tool, no nose radius is provided, the side cutting and the end cutting edge angles being 30° and 7° respectively. In the 2nd tool, a nose radius of 0.5 mm is provided. The feed used in both the cases is 0.250 mm. The ratio of the maximum height of unevenness in the generated surfaces by tool 1 to tool 2 is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Growth of Tool Wear as Function of Time

PRODUCTION

Watch in App

explore_more_icon

Explore more

Growth of Tool Wear as Function of Time

Other Production

Join BYJU'S Learning Program

CrossIcon