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News

Rebrand for German cast nylon 6 (polyamide) range

Licharz : 17 October, 2013  (Company News)
Licharz is now offers its cast polyamide under the new name Linnotam. The innovative metal-replacement materials have especially long service lives and are easy to machine. Linnotam is available in various grades, described in this short article..
Linnotam cast polyamides can be produced as semi-finished products or near net shape components and are virtually free of internal stress. Licharz offers a large selection of shapes, weights and dimensions. Component parts made of Linnotam have proven themselves for many years in machine building, packaging equipment, drive and conveyor equipment, construction equipment and in food processing equipment.
 
In addition to the basic grade, Licharz offers the grades LinnotamDrive, LinnotamGlide, LinnotamHiPerformance and LinnotamCustom. Proprietary lubricants and additives give the polyamides special characteristics which can, for example, improve the sliding properties or torque transmission. They are materials which can be used in very different application areas.
 
LinnotamGlide contains special additives and lubricants. They produce and exceptionally low coefficient of friction and reduce the unwanted stick-slip effect to a minimum. The sliding properties and self-lubrication effects are retained throughout the entire service life. Typical application examples are bushings, slider pads, guide strips and feed screws.
 
LinnotamHiPerformance are partially crystalline, thermoplastic high performance polyamides. Using carefully chosen additives and modifiers, they have been specially designed for the demanding requirements of speciality components in machinery design and offshore technology. LinnotamHiPerformance offers particularly good dimensional stability and fatigue strength, and excellent damping properties. In addition it has good shock loading, low moisture absorption and hydrolysis resistance. The material can be machined well and is used for example for highly loaded wheels, crane float pads and near net shape cast components.
 
The cast polyamides of LinnotamDrive are produced in a special process and contain a metal core. The shape and friction locked plastic/metal combination guarantees optimal force and torque transmission. It makes possible the transfer of high axial and torque forces, and it achieves roundness and running. LinnotamDrive is used for gears and sprockets, wheels, as well as for cams, mixing arms and pump wheels.
 
With LinnotamCustom, Licharz is able to customise material properties to specific requirements at the high quality standards of the Linnotam brand.
 
Linnotam Food Grade
 
Components which come into contact with food must fulfill special requirements, such as the American FDA (Food and Drug Administration). Therefore they can carry the "Food Grade" label which stands for the best possible safety and hygiene in the processing of food.
 
FDA-compliant, cast polyamide (nylon) from Licharz is specially designed for the requirements of bearings and slider pads exactly as required by manufacturers in the food handling machine industry. Due to the special lubricants and additives embedded in the polymer matrix, the material achieves a constant lubrication during the lifetime of the component. As a result, the coefficient of friction is constantly low has minimal abrasion. Friction heat at the contact point is also minimised which increases the load capacity and sliding speed of the bearing parts.
 
The material is wear resistant, electrically insulating and resistant against a wide range of oils, greases and cleaning agents. Furthermore the material is excellent for the absorption of vibration and machines easily. Application areas are mainly in the fields of machine and equipment building as well as in drives and conveyors. It is used as a base material for bushings, cam guides, slide and guide strips, idler pulleys, gears and sprockets as well as chain guides and deflection rollers. The material is available in the colour blue (food) as customised component parts or as semi-finished engineering plastic in the shape of sheets, rods or tubes. On special request it can be produced in yellow or natural and/or as a customised monocast part.

 

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