Lathe

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  1. How is a Lathe's size designated?
    • By the largest work diameter that can be swung over the lathe ways
    • the maximum distance between centers
  2. What are the many parts of a Lathe?
    • The bed and ways
    • headstock
    • quick-change gearbox
    • carriage
    • tailstock
  3. Parts of the Lathe:

    The _____ is a heavy, rugged casting made to support the working parts of the Lathe.
    Bed
  4. Parts of the Lathe:

    The _____ is clamped on the left-hand side of the bed. The _____ spindle, provides a drive through gears from the motor to work-holding devices.
    Headstock
  5. Parts of the Lathe:

    The _____ containing a number of different size gears, provides the feed rod and lead screw with various speeds for turning and thread cutting operations.
    Quick Change Gearbox
  6. Parts of the Lathe:

    The _____ advances the carriage for turning operations when the _____ lever is engaged.
    • Feed Rod
    • Automatic Feed
  7. Parts of the Lathe:

    The _____ advances the carriage for thread-cutting when the _____ lever is engaged.
    • Lead Screw
    • Split-Nut
  8. Parts of the Lathe:

    The _____ is used to move the cutting tool along the lathe bed.
    Carriage
  9. Parts of the Lathe:

    The _____, an H-shaped casting mounted on the top of the lathe ways, provides a means of mounting the cross-slide and the apron.
    Saddle
  10. Parts of the Lathe:

    The ____, mounted on top of the saddle, provides a manual or automatic cross movement for the cutting tool.
    Cross-Slide
  11. Parts of the Lathe:

    The ____, fitted on top of the cross-slide, is used to support the cutting tool. It can be swiveled to any angle for taper-turning operations and is moved manually.
    Compound rest
  12. Parts of the Lathe:

    The ____ can be turned manually to move the carriage along the lathe bed.
    Apron handwheel
  13. Parts of the Lathe:

    The ____ engages a clutch that provides feed to the carriage.
    Automatic feed lever
  14. Parts of the Lathe:

    The _____ can be set for longitudinal feed or for cross-feed. When in neutral, the _____ permits the split-nut lever to be engaged for thread cutting.
    feed-change lever
  15. Parts of the Lathe:

    For thread cutting, the carriage is moved automatically when the _____ lever is engaged. This causes the threads of the _____ to engage into the threads of the revolving lead screw and move the carriage.
    Split-Nut lever
  16. Parts of the Lathe:

    The _____ is used for supporting the right-hand end of the work or machining operations along the axis of the work.
    Tailstock
  17. Setting Speeds on a Lathe:

    On a _____ lathe, various speeds are obtained by changing the flat belt and the back gear drive.
    belt-driven
  18. Setting Speeds on a Lathe:

    On the _____ lathe, speeds are changed by moving the speed lever into proper positions according to the revolutions per minute chart fastened to the headstock.
    Gear-head
  19. Shear Pins and Slip Clutches:

    _____, usually made of brass, may be found on the feed, lead screw, and end gear train.
    Shear Pins
  20. Shear Pins and Slip Clutches:

    ______ are found only on feed rods.
    Spring-loaded slip clutches
  21. Lathe Centers:

    The most commonly used center in school shops were the solid __#__° centers with a _____ shank.
    • 60°
    • Morse taper
  22. Lathe Centers:

    A _____ center fits into the tailstock spindle and provides a means of aligning lathe centers or producing slight tapers on work machined between centers.
    microset adjustable
  23. Lathe Centers:

    The _____ center, mounted in the headstock spindle, is used when the entire length of a workpiece is being machined in one operation and when a chuck or lathe dog could not be used to drive the work.
    self-driving live
  24. Chucks:

    The _____ chuck holds round and hexagonal work. It grasps the work quickly and within a few 0.001" or 0.01mm of accuracy because the three jaws move simultaneously when adjusted by the chuck wrench.
    Three-jaw universal
  25. Chucks:

    The _____ chuck has four jaws, each of which can be adjusted independently by a chuck wrench.
    Four-jaw independent
  26. Chucks:

    The _____ chuck is the most accurate chuck and is used for high precision work. Each _____ only has a range of only a few 0.001" or 0.01mm of range over or under the size stamped on it.
    Collet
  27. Chucks:

    _____ chucks are used to hold iron or steel parts that are too thin or that may be damaged if held in a conventional chuck.
    Magnetic
  28. Chucks:

    _____ are used to hold work that is too large or of such a shape that it cannot be held in a chuck or between centers. _____ are usually equipped with several slots to permit the use of bolts to secure the work.
    Faceplates
  29. Chucks:

    When work is mounted off center on a faceplate, what should be done to prevent imbalance and the resultant vibrations.
    a counterbalance should be attached
  30. Chucks:

    A _____ is used to support long work held in a chuck or between lathe centers. It is located on, and aligned by the ways of the lathe and may be positioned at any point along the lathe bed, provided it clears the carriage travel.
    Steadyrest
  31. Chucks:

    A _____, mounted on the saddle, travels with the carriage to prevent work from springing up and away from the cutting tool.
    Follower rest
  32. Chucks:

    A _____ holds an internally machined workpiece between centers so that further machining operation are concentric with the bore.
    Mandrel
  33. Lathe Dogs:

    The _____ lathe dog is the most commonly used dog for round workpieces.
    Standard bent-tail lathe dog
  34. Lathe Dogs:

    The ______ lathe dog is driven by a stud in the driveplate. Since this is a more balanced type of dog than the bent tail, it is used in precision turning.
    straight tail
  35. Lathe Dogs:

    The _____ lathe dog may be used to hold a variety of work, since it has a wide range of adjustment. It is particularly useful on finish work where the setscrew of a standard dog may damage the finish.
    Safety clamp
  36. Lathe Dogs:

    The _____ lathe dog has a wider range than the other types.
    clamp
Author
ID
317609
Card Set
Lathe
Description
a few study cards for lathe.
Updated
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