Advanced Tubular Technologies, Inc.

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Reduce Scrap & Save Material
by Predicting Springback BEFORE Bending the Part

If your tube fabrication process is like most in the industry, you have to deal with material springback that occurs after bend tools are released.

Overbend Calculator uses an industry standard formula for calculating springback.

Here's an Example (See Below)

 

In the example below, we will answer the question:

"How much springback does this material have in my CNC bender at 95 degrees of bend?"

 

How it Works

Step 1 -
Program Your Bender

You supply two test bend angles (by performing test bends), and the program creates the springback formula for you - from which you can calculate any other bend angle.

Plug the programmed values into the Bender Setup tab menu.

Then press the Next Page button...

 

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How it Works

Step 2 -
Measure The Bends

Measure the actual angles of the bends after you take them out of the bender.

Plug the measured values into the Measure Bends tab menu.

Then press the Next Page button...

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How it Works

Step 3 -
Measure The Bends

Press the Calculate button in the Calculate Formula page. Two constants will be filled into the fields.

You can program these values into your bender control. For Supravision or DOCS measuring center software, use the Eaton Leonard style values on the bottom.

Then press the Next Page button...

 

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How it Works

Step 4 -
View The Answers

The answer? For a 95 degree bend angle you must move the bend arm 99.25 degrees.

The formula predicted 4.25 degrees of overbend.

You can now save a data file for use on this tube material in the future.

 

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How it Works

Step 5 -
Print Report

You can print the report in configurable angle increments: 1, 5, 10, 15, or 20 degrees

Click image to enlarge

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