Grinding and Finishing Processes

Question 1

What are the types of grinding operations?

Answer 1

1. Rough Grinding
2. Precision Grinding

Question 2

How is grinding classified based on the type of surface?

Answer 2

1. External Cylindrical Grinding
2. Internal Cylindrical Grinding
3. Surface Grinding
4. Form Grinding

Question 3

What are the types of cylindrical grinding?

Answer 3

1. Plain Cylindrical Grinding
2. Universal Cylindrical Grinding

Question 4

What is Centreless Grinding?

Answer 4

A grinding process where the workpiece is not held between centers but is supported by a work rest, grinding wheel, and a regulating wheel.

Question 5

What are the standard methods of feeding the work in grinding?

Answer 5

Methods depend on the type of grinding process and machine used (e.g., through-feed, plunge-feed, etc.).

Question 6

What are the key specifications of a grinding machine?

Answer 6

1. Maximum workpiece size.
2. Normal capacity (power).
3. Maximum table traverse.
4. Wheel diameter.
5. Grinding head height.

Question 7

What are the features of form grinding (creep feed grinding)?

Answer 7

• High depth of cut (1 to 30 mm).
• Low work speed (0.25 to 1 m/min).
• High depth of cut in a single pass.

Question 8

What are the special features of a grinding wheel?

Answer 8

1. Self-sharpening characteristic.
2. Glazing of the wheel.
3. Dressing of the wheel.
4. Loading of the wheel.
5. Turning of the wheel.

Question 9

What are the characteristics of a grinding wheel?

Answer 9

1. Abrasive material.
2. Abrasive size.
3. Bond type.
4. Grade.
5. Structure.

Question 10

What does the coding of a grinding wheel represent?

Answer 10

The code represents the characteristics of the wheel, such as abrasive material, grain size, bond type, grade, and structure.