Sidel Kohlox grease-free moulds

Sidel has released Kohlox, a thermo composite material with a low co-efficient of friction, helping parts move freely without any lubrication.

Developed after two years of R&D, this material is a compromise between mechanical resistance to impacts and compression, while also ensuring free movement of parts. Two new grease-free parts have been produced for the moulds, wear rings for the mould bottoms, and female studs.

These new parts were tested and validated on an industrial scale in partnership with Nestlé Waters Est France during 2009.

The self-lubricating material also helps improve mould cleanliness by eliminating the possibility of grease splashes or deposits, which are sources of persistent dirt. By eliminating the greasing step, it avoids the risk of non-quality problems associated with handling the moulds and the other essential blow moulder components.

Finally, the low density of Kohlox, which is four times lighter than steel, helps lighten the mould base to accommodate new blow moulder speeds of 2000 bottles/h per mould, and reduces mechanical wear on the machine itself.