Page 613 - IGUS Bearing
P. 613

iglidur  AB                                                                                                                                                                                                             iglidur  AB
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          +70°C                                                                                                                                                                                                                   +70°C
          25MPa                                                                                                                                                                                                                   25MPa
                      Bearing technology | Plain bearings | iglidur  AB                                                             Technical data
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                                                                                                                                      General properties                                                    Testing method

                                                                                                                                    Density                                            g/cm³        1.11                       -40°C up to
          Ø                                                                                                                         Colour                                                         yellow                      +70°C
          6.0-20.0mm
                                                                                                                                    Max. moisture absorption at +23°C/50% r.h.       % weight       0.8         ISO 175
                                                                                                                                    Max. moisture absorption                         % weight       1.6         ISO 62
                                                                                                                                    Coefficient of friction, dynamic, against steel      µ       0.18-0.31                     25MPa
                                                                                                                                    pv value, max. (dry)                             MPa · m/s      0.25
          Also available
          as:                                                                                                                       Mechanical properties
                      The first antibacterial iglidur  plain bearing                                                                Flexural modulus                                    MPa        1,850    DIN EN ISO 178
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                                                                                                                                                                                                    50
                                                                                                                                    Flexural strength at +20°C
                                                                                                                                                                                                            DIN EN ISO 178
                                                                                                                                                                                        MPa
                      According to ISO 22 196:2011                                                                                  Compressive strength                                MPa         40
          Bar stock,                                                                                                                Max. permissible surface pressure (+20°C)           MPa         25
          round bar
          Page 743                                                                                                                  Shore D hardness                                                70        DIN 53505
                      Plain bearings made from iglidur  AB help to reduce the bacteria in bearing points that are difficult to
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                      access.                                                                                                       Physical and thermal properties
                      ● 	Antibacterial                                                                                              Max. application temperature long-term               °C         +70                         FOOD
                      ● 	Universal installation                                                                                     Max. application temperature short-term              °C        +140
                      ● 	High media resistance                                                                                      Min. application temperature                         °C         -40
          Bar stock,   ● 	Lubrication-free                                                                                          Thermal conductivity                              W/m · K       0.24      ASTM C 177
          plate                                                                                                                                                                        -1   -5
          Page 773    ● 	Maintenance-free                                                                                           Coefficient of thermal expansion (at +23°C)       K  · 10       10        DIN 53752
                                                                                                                                    Electrical properties
                      Typical application areas                                                                                     Specific transitional resistance                    Ωcm        >10 12     DIN IEC 93
                      ● 	Medical technology                                                                                         Surface resistance                                   Ω         >10 12     DIN 53482
                      ● 	Laboratory technology                                                                                      Table 01: Material properties
          tribo-tape liner  ● 	Ventilation systems
          Page 781    ● 	Sanitary furniture and equipment                                                                           iglidur  AB was specifically developed for applications   Resistance to weathering
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                      ● 	Bearings of patient and care furniture                                                                     in areas with high hygiene requirements. Often such   iglidur  AB plain bearings have limited resistance to
                                                                                                                                    applications are manually operated pivots (doors, medical   weathering. The material properties are affected.
                                                                                                                                    furniture, etc.). The material reduces the level of bacterial   Discolouration occurs. Practical tests under real application
                                                                                                                                    contamination but - like all "anti-bacterial" materials - is not   conditions are recommended.
                                                                                                                                    a substitute for adequate hygienic measures.
          Guide rings
          Page 641                                                                                                                                                                     Mechanical properties
                                                                                                                                    Moisture absorption                                With increasing temperatures, the compressive strength of
                       Descriptive technical specifications                                                                         The moisture absorption of iglidur  AB plain bearings in   iglidur  AB plain bearings decreases. Diagram 02 shows
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                       Wear resistance at +23°C                     –                       +                                       ambient conditions is approximately 0.8% weight. The   this inverse relationship. The maximum recommended
                                                                                                                                    saturation limit submerged in water is 1.6% weight.  surface pressure is a mechanical material parameter. No
                       Wear resistance at +90°C                     –                       +
                                                                                                                                                                                       conclusions regarding the tribological properties can be
          Two hole     Wear resistance at +150°C                    –                       +                                       Vacuum                                             drawn from this.
          flange
          bearings                                                                                                                  In vacuum, any present moisture is released as vapour. Use   Diagram 03 shows the elastic deformation of iglidur  AB
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          Page 667     Slide property                               –                       +
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                                                                                                                                    in vacuum is only possible with dehumidified iglidur  AB    at radial loads. A possible deformation could be, among
                       Wear resistance under water                  –                       +                                       bearings.                                          others, dependant on the duty cycle of the load.
                                                                                                                                                                                       Surface pressure, page 45
                       Media resistance                             –                       +
                                                                                                                                    Radiation resistance
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          Moulded      Resistant to edge pressures                  –                       +                                       Plain bearings made from iglidur  AB are resistant up to a
          special parts                                                                                                             radiation intensity of 3 · 10² Gy.
          Page 696     Resistant to shock and impact loads          –                       +
                       Dirt resistance                              –                       +




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