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Knowledge Center Lubricants for the Stretched Film Industry How OEMs and machine operators benefit from advanced specialty lubricants

  • Get an understanding of all the crucial lubrication points in a tenter-frame machine.
  • Learn the specific oils and greases to select to ensure correct lubrication.

Today, the plastic film-stretching industry is demanding more from tenter-frame technology to meet the need for plastic wrap, bags and other cast-film products. Using continuous chains fitted with clips to grip the film, a tenter-frame uses hundreds of components that are subject to continual motion, high temperatures or extreme pressures.

As a result, lubricants must be formulated with properties to handle the speeds and oven temperatures encountered in both machine direction orientation (MDO) and transverse direction orientation (TDO) operations. Gears, chain elements, bearings, rollers and spindles each experience distinct temperature, pressure and speed challenges. Klüber Lubrication offers a portfolio of chain oils for the stretched film industry that have evolved to accommodate ever-increasing application requirements. Our newest generation of chain oils is designed to minimize residues while providing optimal chain component lubrication. The result: extended time between chain cleaning and reduced lubricant consumption.

Broad experience to cover your needs

Based on 40 years of experience with tenter-frame operators and leading OEMs—including Brückner Maschinenbau, Andritz-Biax and Lindauer—Klüber Lubrication has developed oils and greases to meet demanding challenges. With a market-leading lubricant supplier, operators can use one source to keep equipment operating efficiently, audit and organize lubricant selections, consolidate inventory, establish best practices and maintain consistency at all facilities. In problematic situations, a Klüber Lubrication specialist can provide an expert evaluation of lubricant performance and recommend a prompt solution using readily available products or customized formulations.

Reduce the cost of using excessive amounts of lubricant and maintenance downtime. Apply Klüber Lubrication specialty lubricants in every machine area.

Tenter-Frame Lubrication Points and Applicable Specialty Lubricants
Klüber Lubrication Stretched Film Industry

PETAMO GHY 443: A high-temperature and long-term grease for rolling bearings subject to high loads. The ester oil base and polyurea thickener are an improved alternative to mineral-oil-based products, achieving a longer service life to reduce maintenance costs. Use: Ideal for large rolling bearings because of high base oil viscosity and thermal stability.

Klübersynth BH 72: A high-temperature grease for slow-running bearings. A patented formulation contains ester as well as perfluorinated polyether (PFPE) oils and a polytetrafluoroethylene (PTFE) thickener to provide a longer service life than conventional ester-based greases. Good oil retention and thermal stability extend relubrication intervals even at high temperatures. Use: Roller bearings and guideways at low running speeds and with high permanent temperatures and high loads (max. 180°C at C/P <8).

BARRIERTA L 55 Greases: High-temperature greases for long-term lubrication. Based on perfluorinated polyether (PFPE) oil, this formulation combines long-term stability with thermal resistance. A low evaporation rate greatly extends grease life and relubrication intervals. Use: Initial and long-term lubrication for guides and bearings operating under extreme temperatures.

Klübersynth CFH 2-400: A low-residue oil for sliding chain systems in very high-speed biaxial film stretchers made by Brückner Maschinenbau. This ester-based formulation employs special additives to reduce residue adhesion, which increases machine availability by reducing the need for cleaning. Use: Conveyor chain sliding systems and pins in high-speed machinery running up to 450 m/min. and at oven temperatures above 200°C.

Klübersynth CHZ 2-225: A low-residue oil for sliding chain systems in biaxial film stretchers developed with Andritz-Biax. This ester-based formulation employs special additives and a trace amount of solvents to reduce residue adhesion, which facilitates adequate lubrication of friction points for months and years. It is highly miscible with other Klüber chain oils. Use: Sliding track chain systems and pins in high-speed machinery and at oven temperatures above 200°C.

Klübersynth CH 2-280: A low-residue oil for sliding chain systems in film stretchers made by Brückner Maschinenbau. This ester-based formulation employs special additives to reduce residue adhesion, which extends cleaning intervals and reduces operating costs. Use: Sliding track chain systems and pins running up to 400 m/min. and at oven temperatures above 200°C.

Klübersynth GH 6: A synthetic, high-performance gear oil for high temperatures. The polyglycol-based formulation includes KlüberComp Lube Technology utilizing high-grade raw materials and advanced additives. The result is a much longer service life than mineral oils and high micropitting resistance of GFT >10. Use: Protects gears against scuffing even at extremely high peak loads, vibrations or oscillations.

Klübersynth GEM 4 N: A synthetic, high-performance, multipurpose gear oil. The polyalphaolefin-based formulation includes KlüberComp Lube Technology utilizing high-grade raw materials and advanced additives. The result is a much longer service life than mineral oils and high micropitting resistance of GFT >10. Use: Protects gears against scuffing even at extremely high peak loads, vibrations or oscillations.

MOLYBKOMBIN UMF T4 Spray: An easy-to-apply, air-drying, black-bonded grease. This formulation is based on molybdenum disulfide (MoS2) along with an organic binder and an inflammable solvent mixture. The dry coating prevents adhesion of dirt to metal surfaces, which simplifies maintenance while ensuring precise, long-lasting low-torque width adjustment of threaded spindles. Use: Spray onto width adjustment spindles to reduce friction and wear.

Bottom line advantage: Proper lubricant selection ensures long-term performance

Tenter-frame components are subject to constant loads and high temperatures. Each component must be properly lubricated to avoid frictional wear, malfunction and downtime. That’s why selecting the right lubricant and applying it properly are critical. After all, it is the lubricant that is responsible for ensuring the reliable operation of each machine element. OEMs and operators can count on Klüber Lubrication to assist with lubricant evaluation, selection and application to meet today’s demands.

For more information, please contact Klüber Lubrication at marketing@us.kluber.com.

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