Page 5 - Dana Glacier Bearings Materials Brochure, designed and produced by Connell Marketing Associates, UK
P. 5

Bearing Materials

                             Glacier Vandervell Europe manufactures bearing materials in four groups:

                             G Aluminium based materials
                             G Copper based materials
                             G Whitemetals
                             G Polymer based materials

                               Preferred Material Applications

Application     Material             Application                     Material              Application        Material

Engines - Light Duty                 Racing Car Engines                                    Starter Motors
                                                                                           Output Shaft Bush
Main Bearings   AS15, AS16           Main Bearings                   VP2C                                     VP10, DX

Thrust Washers  AS15, AS1241         Thrust Washers                  VP2                   Door, Tailgate, Bonnet, Boot Hinges

Con-Rod Bearings AS15, AS16, AS1241  Con-Rod Bearings VP2A,VP1A                            Pivot Bush         DU, DM

Small End Bushes SY, VP10            Small End Bushes VP10                                 Vehicle Seats
                                                                                           Slide Rails
Camshaft Bearings AS15               Gearboxes                                             Adjustment Bushes  DX
                                     Bushes                                                                   DU, DX
Engines - Heavy Duty                 Thrust Washers                  VP1, VP10, DU, Hi-eX
                                                                     AS15, VP2
Main Bearings   AS16, AS1241, VP2C                                                         Steering Mechanisms

Thrust Washers  AS1241, VP2          Suspension Struts                                     Bushes             DU, DX

Con-Rod Bearings VP2C, AS154C        Guide Bush                      DU, DP4

Small End Bushes VP10                Reciprocating Compressors                             Windscreen Wipers

Camshaft Bearings VP1                Main Bearings                   AS15, Hi-eX           Linkage Pivot Bushes DU

                                     Con-Rod Bearings B1, AS15                             Motor              DU

                             Aluminium Based Materials               The combination of cast lead bronze     The acetal co-polymer lined
                             Aluminium bi-metals have become         and lead indium produces a bearing      Glacier DX was developed to give
                             the industry standard for medium        widely accepted as the design           superior performance with grease
                             loaded engine applications.             standard for heavy duty diesel          lubrication and is used in
                             These materials consist of tin or tin   engines and high performance            applications such as seat rails,
                             and silicon in an aluminium matrix.     racing engines.                         king pins, tail lifts and steering,
                             This gives the materials good soft                                              suspension and brake linkages.
                             phase properties whilst the addition    Whitemetals
                             of silicon gives the material the       Whitemetals, in either lead based or    Recent developments include
                             property of conditioning cast iron      tin based form, have traditionally      Glacier DP4 and Glacier DS.
                             crankshaft journals. This group of      been employed for their excellent       Glacier DP4 is a composite
                             materials has excellent corrosion       soft phase properties. The bearing      material developed to meet
                             resistance. Aluminium based bi-         alloy is either tin antimony copper or  market demands for greater
                             metals are formed from                  lead antimony tin, and is cast on the   erosion resistance, lower friction
                             continuously cast alloy which is roll   steel backing.                          and improved wear performance
                             bonded onto a steel backing with                                                in suspension struts and shock-
                             an aluminium foil interlayer.           The use of whitemetal bearings in       absorbers. Glacier DS is a filled
                                                                     modern engines is declining due to      acetal based material, developed
                             These materials offer an excellent      their low strength, and they are now    to solve problems of fretting
                             cost effective compromise between       restricted to the most lightly loaded   corrosion damage of the mating
                             hard and soft phase characteristics.    applications.                           material (used widely in ski lifts).

                             Copper Based Materials                  Polymer Based Materials                 Glacier DM is a composite dry
                             This bearing material group             Glacier has long been at the            bearing tape material consisting
                             consists of lead bronzes, which         forefront in the development of         of an expanded (woven) aluminium
                             have superior strength and are          polymer based bearing materials         mesh impregnated with PTFE
                             often specified for highly loaded       suitable for both dry and marginally    and lead. The material is readily
                             engine applications. These alloys       lubricated applications.                formable and bushes may be
                             consist of a distribution of lead in a  The fundamental technologies            burnished to size after assembly
                             bronze matrix which is either cast or   which are today most widely used        to give a closely controlled
                             sintered onto the steel backing.        for the manufacture of steel backed     clearance. DM is particularly
                                                                     polymer lined bearings were             suitable for door hinge
                             Copper based materials are              developed by Glacier and licensed       applications.
                             relatively hard and for crankshaft      worldwide.
                             applications require overlay plating                                            Glacier solid polymer bearing
                             to provide adequate soft phase          PTFE based Glacier DU is suitable       materials suitable for light duty
                             properties. This also improves the      for both dry and lubricated             applications include Glacier DQ
                             corrosion resistance. Glacier           applications and is employed in a       and Glacier EP. Components may
                             Vandervell’s most widely used           wide range of industrial and            be produced in non standard and
                             overlay is lead indium which            automotive applications, including      complex shapes from both
                             combines maximum fatigue                suspension struts, shock absorbers,     materials.
                             strength with optimum soft phase        hinges, pumps and wiper arms.
                             properties.

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