Shaftless spiral
Shaftless spiral
Shaftless spirals are available in lengths between 3,000 and 4,000 mm (material S355JRG3 and stainless steel 304). The spirals can be used for horizontal, inclined, or vertical conveying. V.A.V. Drives also supplies auxiliary spirals in various sizes. The table below shows the standard dimensions of shaftless spirals.
| Shaftless spiral (parameters in mm) | |||
| Outer diameter | Pitch | Material Height x thickness | Inner spiral |
| 190 | 140 | 50 x 20 | – |
| 190 | 190 | 50 x 20 | – |
| 240 | 190 | 60 x 25 | 30 x 20 |
| 240 | 240 | 60 x 25 | 30 x 20 |
| 280 | 220 | 60 x 25 | 40 x 20 |
| 280 | 320 | 60 x 25 | 40 x 20 |
| 320 | 250 | 70 x 25 | 50 x 20 |
| 320 | 320 | 70 x 25 | 50 x 20 |
| 380 | 330 | 70 x 25 | 50 x 20 |
| 380 | 380 | 70 x 25 | 50 x 20 |
| 460 | 360 | 80 x 25 | 60 x 20 |
| 460 | 440 | 80 x 25 | 60 x 20 |
| 530 | 420 | 80 x 30 | 70 x 25 |
| 530 | 530 | 80 x 30 | 70 x 25 |
| 600 | 450 | 80 x 30 | 80 x 25 |
| 600 | 600 | 80 x 30 | 80 x 25 |
An alternative diameter, shaft dimensions, or material thickness can be supplied upon request.
Synonyms: : schrew segments, screw conveyor, screw blades.
