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Design Flex© Pro™

The new Design Flex® Pro™ is available for download!

Click here to download it.

Design Flex® Pro™ WEB version also available!

Country Languages spoken Phone number
Spain      +34 93 877 7032
France     +33 1 34 47 41 33
Germany   +49 241 5108 288 or 240
Poland   +48 60 83 54 854
Russia   +7 495 933 83 78
UK +44 1387 24 20 49

Design Flex® Gates' industrial drive design software
now available online

Gates' Design Flex® is a Windows based drive calculation program allowing the design of belt-drive systems with increased efficiency and enhanced performance in less time. This powerful software is now avalailable to you for free over the internet.

Design Flex® : updated version now online! 
Now included: PowerGrip® GT3, Poly Chain® GT Carbon™ and Quad-Power II upgraded power ratings. Problems with Windows XP SP 2 Integrated solved.

Fast and easy
designflex_pcDesign Flex® offers a step-by-step drive calculation procedure for both V- and synchronous belts based on the criteria and/or limitations specified by the user. By means of an easy to follow menu, two pulley drives are calculated and multiple drive design solutions are generated.

Design Flex® lets you save your drive results, so you can easily build an electronic library or immediately e-mail your design without the need for printing and faxing.

Design criteria include:
     ·  Service life
     ·  Initial cost of drive
     ·  Number of belts - size of drive
     ·  Required parts and more

Who qualifies?
Because Design Flex® is a professional-grade design tool it is intended for design engineers and others who are well versed in drive design.

Download it now!

The program offers a step-by-step drive calculation procedure for both V-belts and synchronous belts based on the critera and/or limitations specified by the user. Design Flex® runs under Windows 95, 98, 2000, NT, Millennium, requires a Pentium 133 processor or higher and an 800 x 600 screen resolution or higher. A minimum of 32 MB RAM is recommended for satisfactory calculation speed.

To download your free copy of Design Flex® simply click here to go to the sign up page now. After registering at we will notify you via email with instructions on downloading the program.

Register Now to Download Your Copy of the Gates Design Flex® program.


Design Flex Software System Requirements

Design Flex Pro and/or Design IQ should run on the following Operating Systems in both 32 and 64 bit modes:
  • Windows XP SP3
  • Windows Server 2003 SP2
  • Windows Vista SP1 or later
  • Windows Server 2008 (not supported on Server Core Role)
  • Windows 7
  • Windows Server 2008 R2 (not supported on Server Core Role)
  • Windows 7 SP1
  • Windows Server 2008 R2 SP1

The person installing must be a member of the Administrators group with true administrator rights or have Security Center settings which raise his rights to true administrator while performing installations.

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