PART OF THE
RADIUS BELT - TECHNICAL INFO
RA-NB
RA-VB
RA-VP
d: Preferred coil wire diameter: 1,2 – 1,4 – 1,5 or 1,6mm
English name: 18 – 17 – or 16 Gauge.
s: Any pitch size between 3.2 and 12.7mm is selectable by default.
Preferred spiral wire pitch: 3.2 – 4.2 – 5 – 6 – 6.35 – 7.2 – 8.4 or 12.7mm
English name: 96 – 72 – 60 – 50 – 48 – 42 – 36 or 24 spiral turns/foot.
BW: Bandwidth (maximum band width)
Any width (metric or inch) between 300 and 1500 mm can be selected as standard.
Wider or narrower tires on request.
R: R = qx BW (Nominal radius around which the belt can be guided)
type designation: Band – Bracket – Pitch – Pitch / Diam. – Diameter.
Type type coiled wire spir. thread cross bar
s - p /d - c
example 1:RA – NB – 8 – 19.05 / 1.6 – 5
example 2:RA – VB – 6.4 – 27.4 / 1.4 – 5
d: Preferred spiral wire diameter: 1.2 – 1.4 – 1.5 or 1.6mm
English name: 18 – 17 – or 16 Gauge.
s: Any pitch size between 3.2 and 12.7mm is selectable by default.
Preferred spiral wire pitch : 3.2 – 4.2 – 5 – 6 – 6.35 – 7.2 – 8.4 or 12.7mm
English name: 96 – 72 – 60 – 50 – 48 – 42 – 36 or 24 spiral turns/foot.
BW: Bandwidth (maximum band width)
R: R = qx BW R = Nominal radius around which the belt can be guided.
The middle bracket is attached exactly in the middle in the tire. SPECIAL: By mounting the bracket off-center in the tire, the deflection radius R can be adapted to specific requirements within certain limits.
Due to the many meters of belt, the varying product load and temperature variation, every spiral tower is equipped with a facility to compensate for belt length differences. This is often done by means of one or more "tension loops" where the belt can lengthen and shorten.