UNIT 3 Abrasive processes

1. Which of the following is a microfinishing method?

• A. Lapping
• B. Surface grinding
• C. Cylindrical grinding
• D. Centreless grinding

2. Which type of grinding process is used to produce smooth finishes on flat surfaces?

• A. Cylindrical grinding
• B. Centreless grinding
• C. Surface grinding
• D. Internal grinding

3. What is the purpose of selecting the proper grinding wheel specifications?

• A. To reduce the grinding time
• B. To increase the grinding time
• C. To achieve the desired surface finish
• D. To reduce the material removal rate

Remember: What is the function of a grinding wheel?

• To hold the workpiece
• To remove the workpiece
• To cool the workpiece
• To shape the workpiece

Understand: Which type of grinding process is used for making cylindrical parts?

• Surface grinding
• Centreless grinding
• Internal grinding
• Cylindrical grinding

Analyze: What is the main difference between surface grinding and cylindrical grinding?

• The shape of the workpiece
• The type of grinding wheel used
• The orientation of the workpiece
• The material of the workpiece

Remember: Which is an abrasive finishing process that is used to improve the surface finish of a workpiece?

• Grinding
• Drilling
• Turning
• Polishing

Understand: What is the purpose of micro-finishing in the manufacturing process?

• To improve the accuracy of the workpiece
• To remove burrs from the workpiece
• To improve the surface finish of the workpiece
• To cool the workpiece during machining

Analyze: Which type of grinding process is used for making parts with a complex shape?

• Surface grinding
• Centreless grinding
• Internal grinding
• Tool and cutter grinding