Cummins Junior Shop Manager 2 Interview Questions and Answers

Factors affecting surface finish in grinding operation

• Choice of grinding wheel

• Grinding wheel speed

• Feed rate

• Depth of cut

• Coolant or lubricant

• Machine rigidity

• Workpiece material

• Grinding wheel wear

To improve Cp, Cpk in machining, focus on reducing process variation and improving process capability.

• Identify and eliminate sources of variation in the machining process

• Implement statistical process control (SPC) techniques to monitor and control the process

• Optimize machine settings and tooling to improve process capability

• Train and educate operators on proper machining techniques

• Regularly measure and analyze process ...read more