Syncast™
High-tech polyamide roll covers suited to un-geared, single sided embossing. Syncast™ can be fitted over exisiting fibre covered backing rolls.
Typical Uses
- Paper
- Vinyl/imitation leathers
- Aluminium foils
- Textiles
- Nonwovens
Key Features
- Highly resistant to surface marks
- Minimum maintenance - long intervals between regrinds
- Increased service life and productivity
- Can be fitted over exisiting fibre covered embossing backing rolls (eg Woollen Paper)
Syncast™ polyamide roll covers are ideal for embossing applications where the backing roll is required to stay neutral and mark free. This is typically in un-geared, ‘single sided’ embossing applications.
RHL can supply Syncast™ in the following forms:
Syncast™ is a uniquely elastic, thermoplastic polymer that has been specially developed for calender rolls. Roll covers of up to 7m face length and up to 1.25m diameter can be manufactured utilising the largest centrifugal casting capacity in the industry.
Syncast™ roll covers are centrifugally cast guaranteeing perfect quality due to the exceptionally high revolving speed (2000rpm) utilised in the casting process. This high speed ‘spin casting’ ensures the expulsion of all air bubbles and impurities from the cover. Then natural atmospheric cooling of the cast polymer in the moulding process ensures the maximum reaction time, allowing longer molecules to form.
The optimised molecule length gives the Syncast™ calender roll cover its excellent elasticity and mark recovery, with minimum shape distortion. This results in excellent run-ability in the calender and maximum service life.
Internal stresses are minimised in the Syncast™ calender roll cover as it is produced at temperatures below the melting point of the polymer. Syncast™ calender roll covers are finally fully annealed and ultrasonically checked, guaranteeing optimum quality and performance.
Performance
| Max. Speed | Max. Linear Pressure | Max. Roll Surface Temp.* | |
|---|---|---|---|
| Syncast™ | 200m/min | 350kN/m | 130°C |
