Import the Split Bend with STEP Version of "VTube-LASER Demo CAD Model 2"
Import STEP File
Step 1 - Install at least version 1.79 of VTube-STEP or VTube-LASER
The STEP version of the Demo Model 2 file is included with this installation. Also, the collect split bend feature is only available in this version or newer.
Step 2 - Clear VTube and Import STEP File
Clear VTube using the Clear Project icon. Change to the Import/Export menu and press Import STEP. The file to import is installed in the \My Documents\VTube\Models folder by default. The filename is "VTube-LASER Demo CAD Model 2.stp".
Make the Tube Transparent
This is not a required step. However, when the the tube is transparent you can see if you have collected either the inner or outer diameter. Selecting both the OD and the ID in various straights will help VTube to extract the OD and the wall thickness at the same time. (The selection process happens in the "Collection The Tube" process shown in the next section.)
Step 1 - Load the Entity Control
Step 2 - Select the imported tube
Step 3 - Set the Transparency to 0.750
Collect the Tube Straights
Use these steps to collect the tube straights.
Step 1 - Load the Collect Control
Step 2 - Be Sure Viewport is in View Mode
Step 3 - Setup and Start the Collection
Step 4 - Select the Straights 1 Through 4
Step 5 - Skip Straight 5 to Select 6
Step 6 - Select Straights 6 and 7
Step 7 - Change Viewport Mode to View
Step 7 - Setup to Select Split Bend Surface
Step 8 - Select The Bend
Select any part of the bend torus that will give contain points at the extrados apex and the intrados apex:
In this case, we only need to select one part of the torus to get to both the inside and outside apexes.
Step 9 - Calculate The Centerline
Display Parametric Model
Compress Bender Data for Reporting and Use in VTube-LASER
Step 1 - Compress the Bend Data By Switching Split Bend ON
The data shown above displays the 4th and 5th bend as two adjacent 90-degree bends in the LRA data. VTube can compress these two bends into a combined bend to show 180 degrees - which is what the bender will want to see. Enter the Tube Data menu, press Bend Setup tab, then press the Split Bend Setup button:
This is the Split Bend Setup menu. It is available in both STEP mode and LASER mode for the MASTER data:
Change the Split Bend settings so that the 5th straight splits a bend like this:
When you close this window, the bender data will compress like this:
Step 2 - Switch to LASER Mode
Step 3 - Display the MASTER Tube in LASER
Step 4 - Orbit the MASTER Tube
The master tube is ready for measuring.