Centre lathe

What does pressing the EMERGENCY STOP button on a lathe do?

• Activates the safety guard

• Increases the lathe speed

• Starts the lathe

• Stops all moving and electrical things from working

Why is it important to have the safety guard down on a lathe before starting?

• Prevents swarf from hitting

• Increases the lathe speed

• Activates the emergency stop

• Allows for loud noise such as chatter

What is the purpose of the red bar on a lathe?

• Prevents swarf from hitting

• Increases the lathe speed

• Activates the safety guard

• Acts like a brake to stop the lathe and slow the chuck down rapidly

Why do we set the tool at centre height on a lathe?

• To create a correct datum to measure from

• To avoid undue rubbing and premature wear

• To cause the tool to cut more than expected

• To increase loud noise such as chatter

What is the purpose of using head & tailstock to support long work pieces on a lathe?

• To help the cut on the piece of work more accurate

• To increase loud noise such as chatter

• To cause the tool to cut more than expected

• To avoid undue rubbing and premature wear

What are the datums used for on a lathe?

• To avoid undue rubbing and premature wear

• To cause the tool to cut more than expected

• To increase loud noise such as chatter

• To get a correct and accurate measurement when finish/rough cutting the piece of work

In what situation would we use an Interference fit on a lathe?

• When the shaft needs to be held precisely but disassembled easily

• When parts need to be free run

• When parts need to turn and move easily

• Railroad axles, wheels, and tires assembly

What type of cutting fluid is useful in grinding operations on a lathe?

• Synthetic coolant

• Vegetable oils

• Soluble oil

• Water