Product Details
The Model 639/PS is recommended for unwinding or rewinding reels with and without cores. It can be used with multi-slits also for very narrow web widths. The body of the shaft is available in steel and the expansion leaves come in either steel or rubber covered depending upon core material and torque requirements.Application
Flexible Packaging, steel, rubber, aluminium foil, plastic, paper, nonwoven, textile industry.Product Features
- Simple and tested system
- High resistance rubber tube with internal protection
- Various materials for table and journals
- Quality components
- Multiple choice for expandable elements
Comparison
| Mod. 639 PS | ||||
| Core diameter | from 70 upto 300 mm | |||
| Table length | from 600 up to 4000 mm | |||
| Expansion | 8 mm on diameter | |||
| Operating Pressure | 5 bar minimum suggested | |||
| Internal diameter of the core in mm | 70/76 | 100 | 120 | 150 |
| Number of leaves on the circumference | 3 | 3 | 4 | 4 |
| Max carrying capacity in n. (steel table) | 8000 | 15000 | 20000 | 30000 |
| Transmittible torque on cardboard cores in nm/cm | 4.2 | 6.7 | 10.8 | 12.9 |
| Transmittible torque on steel cores nm/cm | 2.5 | 4 | 6.5 | 7.7 |
| Shaft weight (journals excluded) in linear n/cm | 1.6 | 1.9 | 2.1 | 2.4 |