Technical manual deva.de | Maintenance-free, self-lubricating sliding bear

Your challenges are our fascination. Bronze with solid lubricant plugs With maintenance-free, self-lubricating high-performance sliding materials from the DEVA® product range, it is now possible to realize sliding bearing concepts that operate reliably over long periods of time. deva.glide® materials consist of highly wear-resistant cast copper alloys, whose sliding surfaces are uniformly provided with solid lubricant deposits in macro distribution. They are suitable for applications with high static and dynamic loads. In addition, the deva.glide® range of materials is characterized by the following...

Ready for tribological masterpieces. Technical manual deva.glide® Material properties 2 Sliding bearing materials Load cases Mating materials Cylindrical sliding bearings 6.1 Recommended standard dimensions – cylindrical bushings 6.2 Empfohlene Standardabmessungen – flanged sliding bushings 6.3 Fits and surfaces 6.4 Installation by means of press-fitting 6.5 Installation by supercooling Spherical sliding bearing With deva.glide®, lubrication is provided by the sliding material itself. Already during the first sliding movements, solid lubricant is released by micro-abrasion from the sliding material...

deva.glide® sliding bearings deva.glide® sliding bearings  Material properties Sliding bearing materials Maintenance-free and self-lubricating high-performance sliding material The dry-running principle is the same for all deva.glide® materials. The plugs arranged in a particular pattern provide a solid lubricant. Copper casting alloys with solid lubricant deposits deva.glide® sliding bearings are available in preferred dimensions and as customized special parts. Customers benefit from our many years of experience in various applications and our service in the field of material selection and...

2.2 Overview deva.glide® materials Max. permissible stat. load p stat/max | [MPa] Max. permissible dyn. load p dyn / max | [MPa] Max. glide speed U max | [m/s] Friction coefficient (water) Minimum hardness mating material [HB] Recommended surface roughness of mating material Ra | [µm] Storage properties Linear coefficient of thermal expansion α | [10−6 / K] Alloy number Weight shares Material number ASTM Standard

Max. permissible stat. load p stat/max | [MPa] Max. permissible dyn. load p dyn / max | [MPa] Max. glide speed U max | [m/s] Friction coefficient (water) Minimum hardness mating material [HB] Recommended surface roughness of mating material Ra | [µm] Storage properties (1) Delivery form: GS = Sand casting GM = Gravity die casting (2) elated to base bronze R GC = Continuous casting GZ = Centrifugal casting Linear coefficient of thermal expansion α | [10−6 / K] Weight shares

deva.glide® sliding bearings deva.glide® sliding bearings  Load cases Environmental protection and production safety We attach great importance to qualitative, environmentally conscious and safe production. We are committed to this through the application of a variety of internationally recognized standards for quality assurance, emission control and workplace safety. The four cases of bearing load DEVA® differentiates between four load cases. We do this to take into account the fatigue influences under dynamic load. The percentage values refer to the limit values given in the material data sheets...

deva.glide® sliding bearings Roughness and surface finish The deva.glide® sliding materials require the use of a mating material with a hardness of at least 180 HB (for detailed information see material data sheets). In the case of long sliding distances or abrasive effects from the environment, a hardened surface 35 HRC / 45 HRC should be used. The surface roughness is ideally Ra = 0.2 to 0.8 μm, produced by grinding. Depending on the operating conditions, higher surface roughness can be accepted. Suggested materials The following table gives an overview of some possible mating materials. Normally,...

deva.glide® sliding bearings Cylindrical sliding bearings 6.2 Recommended dimensions - flanged sliding bushing For diameters D1 > 150 mm, a combination of sliding bearing and thrust washer may be advantageous. (please contact DEVA® for advice). The flanged of the bushing is only equipped with solid lubricant plugs if the operating conditions require this. Cast copper alloy deva.glide® alloys are produced by different casting processes depending on the size and number of pieces. The material properties depend on the manufacturing process. The dimensions that can be produced, such as the maximum...

6.3 Fits and surfaces deva.glide® sliding bearings are pressed in with overlap between the housing inside diameter and bearing outside diameter. Bearing outside, bearing inside, shaft and housing inside diameters must be manufactured within the recommended tolerances to ensure satisfactory bearing operation. deva.glide® flange sliding bearing deva.glide® sliding bearing E7 H9 Free size – medium c8 / d8 Installation description 6.4 Installation by means of press-fitting Press-fit is a universally applicable installation method for deva.glide® bushings. deva.glide® radial sliding bearings can be...

deva.glide® sliding bearings Spherical sliding bearing 6.5 Installation by supercooling deva.glide® bearings may also be subcooled as an assembly aid. Cooling media are dry ice and liquid nitrogen. Both substances are classified as hazardous substances. Due to the different material pairings (bronze and plugs), depending on the selected overlap between bearing and housing, subcooling with liquid nitrogen is recommended for D1 < 200 mm and subcooling with dry ice for bearings D1 > 200 mm. More detailed installation instructions are available on request. Fixed bearing You can find further information...