Introduction to Structure
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The REV DUO Build System has two major structural components, and . REV Extrusion is a rectangular structure rail with slots for on all four sides. The slots in the Extrusion allow for brackets and other items to be adjusted to any position along the rail. REV Channel is a larger structural member featuring a pattern for actuators, brackets, and other elements to be placed at set intervals. Channels have a combination of a fixed pitch based system (known as the Extended Motion Pattern) and an extrusion system for design flexibility.
All REV DUO structural components are M3 hardware compatible.
The 15mm extrusion system allows for a more flexible, iterative process than fixed pitch systems. Fixed pitch based systems have a set pattern of holes to use for mounting; everything that is mounted is spaced on a multiple or a set fraction of the standard pitch. In contrast, the 15mm extrusion system allows for flexible mounting positions along the slots. Simply slide any brackets that need to be mounted into the appropriate slot and adjust to the desired position.
We believe that the easier it is to adjust your design, the easier it is to iterate and improve that design.
See any of the pages linked below to learn more about how to use the extrusion system.
While the 15mm Extrusion does not have a fixed pitch other components in the REV DUO Build System do. have M3 holes on an 8mm pitch. While have the Motion Pattern, a circular M3 hole pattern on a 16mm diameter is used to mount to REV Robotics shaft accessories.
, , and feature the Extended Motion Pattern, a modified circular M3 hole Motion Pattern on a 32mm diameter. This repeats down the length of channel to mount bearings, shafts, brackets, and more.
The Extended Motion Pattern starts with M3 holes on an 8mm pitch down the center of the Channel. Each of the holes on the center line pitch forms the "base" for an equilateral triangle with 8mm sides that extends outward towards the edges of the Channel. Every 16mm a center hole is opened up to become a 9mm bearing seat to attach shafts and bearings.
