Threading

The following subsections describe how to use the threading controls and charts to set up the lathe for a threading operation. If you are unfamil- iar with how to cut threads on a lathe, we strongly recommend that you read books, review industry trade magazines, or get formal training before attempting any threading projects.

Headstock Threading Controls

The threading chart on the headstock face dis- plays the settings for inch threading; a metric thread chart is provided on Page 70.

Using the controls on the lathe, follow the exam- ple below to understand how to set up the lathe for a threading operation.

To set the lathe to thread 20 TPI:

1.Configure gears as instructed in End Gear Configuration Example on Page 44.

2.Move high/low range lever to low, and move feed direction lever all the way up, as shown in Figure 64.

The lathe is now set up to cut 20 TPI threads.

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High/Low

 

Feed

Range Lever

 

Direction

 

 

Lever

 

 

 

 

Feed Direction Lever

UP (Clockwise Rotation)

CENTER (Neutral)

DOWN (CCW Rotation)

High/Low

Range Lever

HIGH LOW

Figure 64. Lever and dial settings for 20TPI.

Model G0765 (Mfd. Since 12/13)

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Image 48
Grizzly MODEL G0765 owner manual Headstock Threading Controls, To set the lathe to thread 20 TPI, Feed Direction Lever