Page 262 - IGUS Bearing
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iglidur  D                                                                                                                                                                                                              iglidur  D
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          +90°C                                                                                                                                                                                                                   +90°C
          23MPa                                                                                                                                                                                                                   23MPa
                      Bearing technology | Plain bearings | iglidur  D                                                              Technical data
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                                                                                                                                    General properties                                                      Testing method

                                                                                                                                    Density                                            g/cm³        1.40                       -50°C up to
          Ø                                                                                                                         Colour                                                         green                       +90°C
             –
                                                                                                                                    Max. moisture absorption at +23°C/50% r.h.       % weight       0.3       DIN 53495
                                                                                                                                    Max. moisture absorption                         % weight       1.1
                                                                                                                                    Coefficient of friction, dynamic, against steel      µ       0.08-0.26                     23MPa
                                                                                                                                    pv value, max. (dry)                             MPa · m/s      0.27
          Also available
          as:                                                                                                                       Mechanical properties
                      Low-cost with silicone                                                                                        Flexural modulus                                    MPa        2,000      DIN 53457
                                                                                                                                                                                                    72
                                                                                                                                                                                                              DIN 53452
                                                                                                                                    Flexural strength at +20°C
                                                                                                                                                                                        MPa
                      Abrasion-resistant                                                                                            Compressive strength                                MPa         70
          Bar stock,                                                                                                                Max. permissible surface pressure (+20°C)           MPa         23
          round bar
          Page 743                                                                                                                  Shore D hardness                                                78        DIN 53505
                      Low-cost-material with low coefficient of friction and good wear resistance at low loads.
                      ● 	Low coefficient of friction                                                                                Physical and thermal properties
                      ● 	For low loads                                                                                              Max. application temperature long-term               °C         +90                         FOOD
                      ● 	Cost-effective                                                                                             Max. application temperature short-term              °C        +110
                      ● 	Vibration-dampening                                                                                        Min. application temperature                         °C         -50
          Bar stock,   ● 	Low moisture absorption                                                                                   Thermal conductivity                              W/m · K       0.25      ASTM C 177
          plate                                                                                                                                                                        -1   -5
          Page 773    ● 	Lubrication-free                                                                                           Coefficient of thermal expansion (at +23°C)       K  · 10       11        DIN 53752
                      ● 	Suitable for high surface speeds                                                                           Electrical properties
                                                                                                                                    Specific transitional resistance                    Ωcm        > 10 14    DIN IEC 93
                      Typical application areas                                                                                     Surface resistance                                   Ω         > 10 14    DIN 53482
                      ● 	Sports and leisure                                                                                         Table 01: Material properties
          tribo-tape liner  ● 	Model making
          Page 781    ● 	Furniture industry                                                                                         During the development process of iglidur  D as a bearing   Resistance to weathering
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                      ● 	Mechatronics                                                                                               material, high performance and low price were the top   iglidur  D plain bearings are continuously resistant to
                                                                                                                                    requirements. In particular, low coefficient of friction was   weathering. The material properties are only slightly
                                                                                                                                    required at high speeds in dry operation. This material   affected. Possible discolourations are only superficial.
                                                                                                                                    containing silicone achieves low coefficient of friction in dry
                                                                                                                                    operation and runs with virtually no stick-slip.   Mechanical properties
          Guide rings
          Page 641                                                                                                                                                                     With increasing temperatures, the compressive strength
                                                                                                                                    Moisture absorption                                of iglidur  D plain bearings decreases. Diagram 02 shows
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                       Descriptive technical specifications                                                                         The moisture absorption of iglidur  D plain bearings in   this inverse relationship. The maximum recommended
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                       Wear resistance at +23°C                     –                       +                                       ambient conditions is approximately 0.3% weight. The   surface pressure is a mechanical material parameter. No
                                                                                                                                    saturation limit submerged in water is 1.1% weight. This   conclusions regarding the tribological properties can be
                       Wear resistance at +90°C                     –                       +
                                                                                                                                    low moisture absorption allows its use in wet environments.  drawn from this.
          Two hole     Wear resistance at +150°C                    –                       +                                                                                          iglidur  D plain bearings were specially developed for low
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          flange
          bearings                                                                                                                  Vacuum                                             radial loads. Diagram 03 shows the elastic deformation of
          Page 667     Slide property                               –                       +
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                                                                                                                                    In vacuum, any present moisture is released as vapour.   iglidur  D at radial loads. At the maximum recommended
                       Wear resistance under water                  –                       +                                       The use in vacuum is only possible to a limited extent.  surface pressure of 23MPa, the deformation is less than
                                                                                                                                                                                       3%. A plastic deformation can be negligible up to this
                       Media resistance                             –                       +
                                                                                                                                    Radiation resistance                               value. However, it is also dependent on the service time.
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          Moulded      Resistant to edge pressures                  –                       +                                       Plain bearings made from iglidur  D are resistant up to a   Surface pressure, page 45
          special parts                                                                                                             radiation intensity of 3 · 10² Gy.
          Page 696     Resistant to shock and impact loads          –                       +

                       Dirt resistance                              –                       +




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          260   3D-CAD, finder and service life calculation ... www.igus-asean.com/D                                                                            Lubrication-free made easy ... from stock ... no minimum order quantity   261
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