The Billet tool automatically creates and displays a billet with estimated
dimensions.
Creating the Billet
Use the Billet tool to create a new billet.
From the Extrusion ribbon, click the Billet tool.
The billet is created and displayed.
In the microdialog, define the
billet dimensions:
Billet Diameter: Diameter of the billet to be
used.
Container Diameter: Defined by the press.
Inspire Extrude estimates this diameter as ¾ inches larger
than the billet diameter. After the upsetting process, the billet will have
this diameter.
Billet Length: Original length of the billet. The
actual billet created will have the diameter of the container and upset
billet length.
Skin Thickness: Billet skin is needed and created
only if you want to do skin tracking analysis, which is used for determining
back end defects. When billet skin is created, the solver automatically uses
transient analysis. It should be noted that transient analysis will take
five times longer than steady state analysis.
Press Enter to confirm each entry.
The units selected are also displayed and can be changed if required.
Billet Skin Tracking
Billet skin is needed and created only for skin tracking analysis, which is used for
determining back end defects.
When billet skin is created, the solver automatically uses transient analysis. It should be
noted that a full cycle transient analysis will take five times longer than steady state
analysis.
While creating a billet, just by enabling the skin thickness option, billet skin can be
created and the interface automatically enables the skin tracking analysis.
The images below show how the solver uses this skin material and determines when, where,
and how it enters the product. Billet skin tracking helps to determine:
Backend defects
Butt length
Faulty die design that may allow skin earlier than desired
