For the processing of small products, such as flower bulbs, we produce webs with “twin rods”. A twin rod consists of 2 rods, which are clamped together at their ends, by a tube. The actual pitch is half of the belt pitch. With the use of rod coverings we can create a gap as small as 2mm. Twin rods are also standard constructed with spring steel rods, though stainless steel and glass fibre rods are also available.
In determining the correct width of the sieve web, it is important that the twin rods have the correct “stokmaat”. This is the distance between the two outside rivet holes, C.T.C. When ordering loose twin rods it is important that you mention the stokmaat as well as the distance between the holes in one end. Without further notice, we assume this distance to be 20mm in 50mm wide traction belts and 32mm in 60 or 75mm wide traction belts. On request we can also make these distances 24 or 30mm