Curtis Wool Direct

New design in burr-beaters benefit top makers

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‘Topmakers can benefit from using a new design in burr beaters’, says Mario Ploner of Tecnomeccanica. The new for woollen cards have been in use by topmakers around the world for the last two years. ‘For some time now woollen mills around the world have found that replacing their Burr Beaters has become more difficult and more costly’, says Mr Ploner. ‘We have developed a new design that lasts longer and is more competitively priced than other models currently available on the market.


‘Our new design is a special cylinder that turns quickly and can be adjusted very closely to the morrel. It fits all existing machinery and is usually tailor made for each machine’.


‘Our Burr Beaters can be constructed for THIBEAU CARDS CA 6 AND CA7 and also for OCTIR and for woollen cards. They are produced in a working width of 2500mm or 3500mm and are dynamically balanced to run up to 1600 rpm. Flayers are hardened in a special combination of nickel, chrome and steel to ensure a long life and a perfect result. Wide cylinder has a conical shape to copy the flections in order to achieve a straight surface in the working point against the morrel. We can also supply the spare burrs collector box constructed in sizes according to the existing machine’.


The new design has a variable number of knives (from 30 to 46) in the cylinder. They are perfectly straight and hardened in order to remove all vegetable matter from the wool. Each woollen card has 3 or 4 Burr Beaters (Chasseurs) and these must be removed every 6 months. Each cylinder works for 6 months in a clockwise direction and can then be utilized for a further period in the opposite direction. After this double usage grinding will only reduce to a maximum of 1mm on its radius (2 mm in diameter). After 4 grindings the diameter becomes too small and the complete cylinder must be replaced.


All cylinders can be fitted into existing machinery. Tecnomeccanica can supply cylinders only, as separate parts or they can install the complete bearing.


‘The average life span is a maximum 5 years so if you consider that a top maker working with n.8 cards like the Thibeau CA6 is using  a minimum of 24 cylinders every 5 years, this is excellent value for money’, he comments.


For further technical information please contact

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