self-test
1. briefly describe the lathe spindle. how. does the spindle support chucks and collets?
2. name the spindle nose types.
3. what is an independent chuck. and what is it used for?
4. what is a universal chuck, and what is it used for?
5. what chuck types make possible the frequent adjusting of chucks so that they will hold stock with minimum runout?
6. workpieces mounted betweed canters are driven with lathe dogs. which types of plate is used on the spindle nose to turn lathe dog?
7. what is a live center made of? how does it fit in the spindle nose?
8. describe a face driver.
9. on which type of plate are workpieces and fixtures mounted? how is it identified?
10. name one advantage of using steel spring collets. name one disadvantage.
unit5hine
operating the machine controls
before using any machine, you must be able to use the controls properly, know what they are for, and understand how they work. you must also be aware of the potential hazards that exist for you and the machine if it is mishandled. this unit prepares you to operate lathes.