Optibelt EDI
Via an EDI connection, Optibelt offers its business partners a further alternative for data transfer.
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Optibelt e-shop
The Optibelt e-shop offers you a quick and easy option to check product availability and place orders through the internet.
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Optibelt Connect
Optibelt offers its business partners an alternative for transferring business documents from system to system using Optibelt ConNect.
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SOFTWARE CAP 6.0 / 6.5
Two-pulley calculation programme

The optibelt CAP drive calculation programme has been used for years worldwide for calculating and designing belt drives. The updated version CAP 6.0, with a new look, allows for quick and clear drive design and calculation.
Different options for calculation are available to the user:
- CAP Standard: simple performance calculations for drives with V-belts, timing belts or ribbed belts
- CAP Professional: detailed performance calculations in all variations with many details
- Economic feasibility calculation: Option to compare existing drives to optimised drives
The new CAP 6.5 calculation software for multi-pulley drives for timing belts is available now, see above.
Software download
For multi-pulley drives for timing belts

With this software, the user can design simple 2-pulley drives or calculate the correct timing belt for complicated multi-pulley drives. Whether standard, high performance, double section or ALPHA FLEX timing belts, nearly all common profiles can be calculated.
Those who already own the CAP6.0 software can use the same serial number for activation. Those who do not yet own CAP software can register on the Optibelt website.
Software download
U.S. (Imperial) Calculations for V-Belts (Single, Banded, Cogged, Ribbed)
Optibelt's free CAP drive calculation software is used to calculate various aspects of power transmission drives for v-belts, timing belts and ribbed belts. Software installs onto any Windows operating system 2000/XP/7. Software must me registered for extended use.
Optibelt CAP software can calculate the following:
- Performance & efficiency
- Durability / Longevity
- Cost savings
- Compare existing and optimized drive performance
Software download
After successful registration, you can download optibelt CAP 6.0 and optibelt CAP 6.5 as full, licenced single-user versions.
Troubleshooting
If you experience issues running optibelt CAP after installation, please follow these instructions to resolve. If you need further assistance, simply send an e-mail to info[at]optibelt-usacom with the subject "CAP Software".
Drive Calculation Forms
Need a drive calculation performed, but don't want to install software?
Simply download the easy-to-use form, fill out the needed information and save it to your computer.
Then e-mail it to us at info[at]optibelt-usacom. A member of our sales staff will give you the results of your requested calculation!
Get in contact with us
Optibelt GmbH
Image trailer

Illinois (Headquarter)
565 Fullerton Ave.
Carol Stream, IL 60188
Phone: 630-628-8400
E-mail: info[at]optibelt-usacom