ROTWILD carbon frames are mainly produced from what are known as HT fibres (HT = High Tenacity). The modular structure of the frame enables us to use other carbon fibre types (HM = High Modulus or HST = High Strain and Tenacity) in addition to HT fibres. This makes it possible to deal with special problems such as higher stiffnesses (HM) or to selectively improve the mechanical behaviour of the frame in response to chip damage or impacts (HST).
Prepregs provide the starting material for frame production. These are semi-finished fibre products in which the individual carbon fibres, some with a thickness of only 0.007 mm, have already been preimpregnated with epoxy resin (matrix). The quality of this preimpregnation is crucial in defining the subsequent characteristics of the carbon frame. Only if there is a constant distribution and the correct volume ratio of fibre to resin will it be possible to achieve an ideal power-to-weight ratio for the frame. If, for example, in order to save weight, the resin content is reduced in the prepreg or minimized during processing, this may mean that the fibres are no longer ideally embedded in the resin and are unable to transmit forces – particular under compressive loading.
MODUL MONOCOQUE TECHNOLOGY – MMT II
No other material offers as much potential as carbon. In order to be able to optimise the performance characteristics further, we have invested comprehensively in fundamental research. The result is a new manufacturing method – we call Module Monocoque Technology (MMT).
The new ROTWILD MMT production technology enables improved conversion of the extremely elaborate and complex requirements at construction, manufacturing and quality assurance for carbon frames. As the entire production process is subdivided into individual process steps (modules), sources of error can be eliminated in advance.
New types of frame construction are now feasible, because it is possible to precisely influence the mechanical characteristics of a ROTWILD frame (rigidity, indulgence or absorption characteristics) and to solve material-specific problem definitions (sensitivity to impact) both during development and manufacturing.
The result – ROTWILD carbon frames offer unique quality and performance.
Learn more about the MMT2 technology at our knowledge base.