To Create a Thread Turning NC Sequence

1. Ensure that the active operation references a Lathe or Mill/Turn workcell.

2. Click Turn >

Thread Turning. The Thread Turning tab opens.

To create or edit a thread turning step from the Process Manager, perform the following steps:

a. Click Manufacturing >

Process Manager. The Manufacturing Process Table dialog box opens.

b. Click

or click Insert > Step >

Turning step. The Create Turning Step dialog box opens.

c. Specify the Type of step as THREAD TURNING to insert a new thread turning step.

d. Select a new step or existing step and click

Edit Definition to open the Thread Turning tab.

3. Select

, or

for turning on Head 1, Head 2, Head 3, or Head 4.

4. Select a tool from the tool list box. Click

Tool Manager or select

Edit Tools from the tool list box to open the Tools Setup dialog box and add a new cutting tool.

Alternatively, right-click in the graphics window and select Tools.

—To machine the outside diameter

—To machine the inside diameter

—To machine the face.

The face thread turning option is available only if enable_face_thread_turning configuration option is set to yes.

6. Specify the thread type by selecting Unified, Acme, Buttress, or General.

7. On the References tab, click the Turn Profile collector to select an existing turn profile.

Alternatively, right-click in the graphics window and select Turn Profile.

To create a new turn profile, click

Geometry >

Turn Profile on the Thread Turning tab. The Turn Profile tab opens. See the Related Links.

The Turn Profile must consist of a single line, which represents the first tool motion. For an external thread, the line must correspond to the major diameter; for an internal thread—to the minor diameter.

8. On the Parameters tab, specify the required basic manufacturing parameters. At the bottom of this tab, specify the output type by selecting ISO or AI Macro. Here ISO is the default output type. You can also click

to edit advanced machining parameters or click

to copy machining parameters from another step.

9. On the Clearance, Process, and Properties tabs, specify the additional values.

10. On the Tool Motions tab, create additional approach motions, exit motions, CL commands, and Goto motions by selecting options from the list.

11. To animate the tool path display, click

on the Thread Turning tab. Modify any parameter to adjust the tool path. If not satisfied, you can either modify the parameters, or use the Customize functionality.

By default, thread cutting is performed in the negative Z-direction of the NC sequence coordinate system. To reverse the direction, use a right-handed tool.