unit 4 Coolant systems

Remembering: What is the purpose of a coolant system in a CNC machine?

• To reduce heat produced during machining
• To increase the life of the cutting tool
• To enhance the accuracy of the machined surface
• To lubricate the machine components

Remembering: What is the most common type of coolant used in CNC machines?

• Oil
• Water
• Gas
• Lubricating grease

Remembering: What are the benefits of using coolant in a CNC machine?

• Improved surface finish, increased tool life, reduced heat generated
• Increased cutting speed, improved accuracy, reduced vibration
• Increased material removal rate, improved surface quality, reduced power consumption
• Increased tool life, improved machining accuracy, reduced friction

Understanding: How does the flow rate of coolant affect the machining process in CNC machines?

• It does not affect the machining process
• It increases the material removal rate
• It improves the surface finish
• It reduces the cutting speed

Understanding: What are the two types of coolant systems used in CNC machines?

• External and internal coolant systems
• Open and closed coolant systems
• Flood and mist coolant systems
• High pressure and low pressure coolant systems

Applying: How does the pressure of coolant affect the machining process in CNC machines?

• It does not affect the machining process
• It increases the material removal rate
• It improves the surface finish
• It reduces the cutting speed

Analyzing: What is the significance of filtration in coolant systems used in CNC machines?

• To remove impurities and prolong the life of the coolant
• To increase the flow rate of coolant
• To improve the surface finish of the machined part
• To reduce the heat generated during machining

Evaluating: What is the main advantage of using high pressure coolant systems in CNC machines?

• Increased material removal rate
• Improved surface finish
• Reduced heat generated during machining
• Lengthened tool life