PTFE and Moldflon™ Friction Bearings New Freedom for High Demands in Bearing Technology

PTFE and Moldflon™ Friction Bearings: Product Range Overview Selection Friction Bearings made of Moldflon™ for High p·v Values M-Liner Dry Friction Bearing for Good Heat Dissipation Friction Bearings made of Elringplast for High Wear Resistance Innovations in plastic With PTFE seals and design el­ - Technical consultation Maximum performance and functional reliability ements, ElringKlinger Kunststoff- We will be happy to support you in selecting the optimal friction bear- technik has been a technology Friction bearings made of Mold- ing, providing you with the most leader for over 50 years. We...

Application Examples Design Information Technical Questionnaire Quality and environmental policy Top quality and active environmental protection are prerequisites for the sustained success of our company. We are certified to ISO/ TS 16949 and DIN EN ISO 14001. (1) Design limits: The information provided here has been collected with great care on the basis of many years of experience. However, no guarantee can be provided for the data, because proper function can be ensured only if the particular conditions of each individual case are taken into consideration. We recommend that prototypes be used...

For many years, PTFE friction bearings made of Elringplast J, LD, and W2 have been a solid component in machine design for demanding requirements. The development of the able PTFE) has made it possible to new dry friction bearing made of further improve characteristics that Moldflon™ (thermoplastic process- are critical to friction bearings, such as compressive strength and wear resistance. Advantages • xcellent chemical resistance E • arge temperature range of -100°C L to +250°C • uitable for high circumferential S speeds under dry running conditions • uitable for high p·v values under S dry...

Selection by Main Criteria Moldflon™ friction bearings Materials M-Liner M-Liner Properties Under high loads Good heat dissipation Low-cost • Very well suited

Selection by Characteristic Values Wear                    Wear of friction bearings depends on a number Test parameters: of influence factors, such as the load, speed, temperature, and contact pairing. Therefore, it is all the more important that the optimal bearing for the application is selected. The wear rate of food-compatible friction bearings made of Moldflon™ is several factors lower than that of typical commercial all-plastic friction bearings. Surface pressure                 modifiziertes PTFE The bearing load is represented by the surface Test parameters: static, room temperature...

Moldflon™ Friction Bearings Moldflon™ is a PTFE material With respect to additional proper- that, in contrast to the typical press ties that are typical for PTFE, such The injection molding process and sinter method, can be used as good sliding characteristics, used for manufacture places nearly in thermoplastic processes such as resistance to UV light, or aging re- no limitations on design. Special injection molding. sistance, Moldflon™ is equal to designs can thus be realized with- Its properties, such as chemical resistance, low creep tendency, Standard friction bearings are and very good...

Technical Details p·v values The limits of application of the Moldflon™ friction bearings can be derived from the following characteristic curves. Depending on the sliding speed and the specific load, each plotted characteristic curve indicates the maximum load under suitable conditions. • aterial especially for applications in M Test parameters: friction bearing with 1 mm wall thickness, the food industry and medical technology, conforms to FDA and USP Class VI • For circumferential speeds of up to 5 m/s • Suitable for soft shafts steel shaft Load [N/mm2] 100 10 • With very good damping characteristics...

Wear with different contact surfaces The material, hardness, and roughness of the Test parameters: t = 100 h, rotating, p·v = 0.623, D = 8 mm Wear [µm/km] 1.4 contact surface all have a decisive influence on the wear behavior, and thus the service life, Notes for designing the contact surface are described in the Design Information chapter X 90CrMoV18, hardened and ground Hard-anodized aluminum Maximum recommended load as a function of temperature Moldflon™ friction bearings can generally be Wear [µm/km] used in a temperature range from -100°C to +250°C. The compressive strength decreases with...

M-Liner Dry Friction Bearing M-Liners are slotted, rolled bushings. They are made of zinc- Application examples include plated sheet steel, laminated • Friction bearings in packaging with a sliding coating made of PTFE. The sliding material PTFE has an machines, conveyor systems, The sliding coating is a special unusually high level of chemical office machines PTFE compound with low friction fluorine compounds. The chemical • Armature bearings for electro magnets resistance of the M-Liner is mainly The small thickness of the sliding determined by the metal backing. coating (0.3 mm) means that...

Technical Details p·v values The limits of application of the M-Liner can be load, each plotted characteristic curve indicates derived from the following characteristic curves. the maximum load under suitable conditions. Depending on the sliding speed and the specific • he friction bearing with good heat dissipation T Test parameters: M-Liner with a 0.3 mm PTFE contact surface, steel shaft • With high wear resistance • For low-cost solutions Wear with different contact surfaces The material, hardness, and roughness of the Test parameters: t = 100 h, rotating, p·v = 0.623, D = 8 mm Wear [µm/km]...