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Materials used, basic textile machinery and restrictions
| position | 0° | 90° |
|---|---|---|
| manufacturer | Teijin Carbon Europe GmbH, Wuppertal (Germany) | |
| material | Carbonfilament yarn | |
| linear densitiy in tex | 800 – 3200 | |
| thread distance in mm | 30 | 35 |
| development aim | Modular retrofit on an existing multiaxial warp knitting machine (Karl Mayer Malimo 14024, working width 50″) | |
Deformation of the carbon roving
| height in mm | width in mm | |
|---|---|---|
| carbon roving laid | 0.2 | 15.0 |
| carbon roving shaped | 5.1 | 2.4 |
Comparison of speeds theoretically determined and measured using a representative measurement point to identify TARGET/ACTUAL deviations as a function of the engine speed
| Point | Engine speed in m−1 | Velocity (measured) in mm/s | Velocity (theoretically) in mm/s | Deviation in mm/s | Percentage of deviation |
|---|---|---|---|---|---|
| 1 | 24 | collision | 637.60 | - | - |
| 12 | 244.90 | 215.41 | 29.49 | 12.04 | |
| 6 | 122.20 | 107,70 | 14.50 | 11.87 | |
| 2 | 24 | collision | 65.43 | - | - |
| 12 | 23.99 | 22.10 | 1.89 | 7.88 | |
| 6 | 11.34 | 11.05 | 0.29 | 2.56 | |
| 3 | 24 | collision | 26.67 | - | - |
| 12 | 9.25 | 9.01 | 0.24 | 2.59 | |
| 6 | 4.60 | 4.51 | 0.09 | 1.96 |