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       Hard Jaws

       Soft Jaws

      Chapter 16

       LATHE OFFSETS

       Lathe Geometry

       Machine Zero

       Part Zero

       Tool Reference Point

       WORK SETUP

       Definitions

       Geometry Offset

       The R and T Columns

       Wear Offset

       DRAWING AND PROGRAM

       Changing Tool Numbers

       Bar Extension

       MANAGING TOLERANCES

       Tolerances and Program Data

       Tolerances on Diameters - Part A

       Tolerances on Shoulders - Part B

       Tolerances on Diameters and Shoulders

       WORKING WITH WEAR OFFSETS

       Common Offset Change Example

       WEAR OFFSET PARAMETERS

      Chapter 17

       TURNING AND BORING

       LATHE CYCLES G70 - G71 - G72

       Concepts of Turning and Boring Cycles

       Program Listing

       Contour Shape - External

       G71 Cycle Format for Two Blocks

       Contour Shape - Internal

       PROGRAM FEATURES TO WATCH

       Start Point Location

       Clearances

       Tool Change Clearance

       Program after Changes

       PROGRAM DATA TO WATCH

       Start Point Too High or Too Low

       Positive and Negative Stock Allowance

       W-Stock Amount Too Heavy

       Return to Start Point in the Cycle

       P and/or Q Reference Defined Incorrectly

       Feedrates for Roughing and Finishing

       Cutter Radius Offset

       Small Inside Radius

       G72 AND G73 TURNING CYCLES

       G72 Lathe Cycle

       G72 Cycle Format for Two Blocks

       G73 Pattern Repeating Cycle

       G73 Cycle Format For Two Blocks

       ONE-BLOCK FORMAT CYCLES

       G71 Cycle Format for One Block

       G72 Cycle Format for One Block

       G73 Cycle Format for One Block

       G71 TYPE i AND TYPE II CYCLES

       Type I

       Type II

       SUMMARY

      Chapter 18

       TOOL NOSE RADIUS OFFSET

       BRIEF REVIEW

       TOOLPATH EVALUATION

       Program Listing - No Offset

       Program Listing - With Offset

       Offset Screen

       FACING TO CENTERLINE

       Tool Height Error

       Incorrect Tool Position

       G41 - Yes or No?

       OFFSET CHANGE

       CLEARANCE AMOUNT

      Chapter 19

       GROOVING ON LATHES

       GROOVE MACHINING

       The Simplest Groove

       Standard Grooves

       Typical Groove

       Grooving Tool

       Grooving Insert

       Control Settings

       Program Evaluation

       Basic Groove Dimensions

       TOLERANCES NOT SPECIFIED

       Dimensional Problems

       DEPTH CONTROL

       External and Internal Grooves

       POSITION CONTROL

       Left Side Reference Point

       Right Side Reference Point

       Reference Point Set in the Middle

       Offset Adjustment

       WIDTH CONTROL

       Program Requirements

       POSITION AND WIDTH CONTROL

       GEOMETRY

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