Calculation and dimensioning of belt drives


Drive calculation program CAP 6.0 & 6.5

Calculation tool for two-pulley drives


The optibelt CAP program for drive calculation is used worldwide for the precise planning and design of belt drives. In its latest version , CAP 6.0, it has a new design and enables efficient and clear configuration and calculation of drive systems.


Users have various calculation options at their disposal:


  • CAP Standard: For uncomplicated power calculations for drives with V-belts, timing belts or V-ribbed belts
  • CAP Professional: For comprehensive power calculations with a wide range of details in all possible designs
  • Cost-effectiveness analysis: Enables a comparison between current and optimized drive systems in terms of their cost-effectiveness

Calculation tool for timing belt multi-pulley drives


The CAP 6.5 application enables the user not only to design simple drives with two pulleys, but also to calculate complex multi-pulley drives with the appropriate timing belt. Regardless of whether standard, heavy-duty, double-toothed or ALPHA FLEX timing belts are involved, the software covers almost all common profile types.

Users who already own the CAP 6.0 software can use their existing serial number for activation. New customers have the option of registering for the software via our website.


User registration


After successful registration, you have the option of activating Optibelt CAP 6.0 and Optibelt CAP 6.5 as a licensed single-user full version.