EN 2286-1989 pdf download.Aerospace series Bushes, flanged aluminium alloy with self-lubricating liner Dimensions and loads.
This EN 2286– specifies the characteristics of flanged bushes in aluminium alloy with self-lubricating liner and the design recommendation of shafts and housings.
2 Field of application
The bushes are intended for operation within the temperature range of— 55°C to + 150°C and assembly with an interference fit into fixed and moving aerospace parts.
3 References
EN 2086, Aluminium alloy 2618A-T851 A1.P11-T851)— Forged bars and slabs a ≤ 150mm —Aerospace
series.
EN 2101, Aerospace series — Chromic acid anodizing of aluminium and wrought aluminium alloys.
EN 2284, Aerospace series — Sulphuric acid anodizing of aluminium and wrought aluminium alloys1.
EN 2311, Aerospace series — Bushes with self lubricating liners — Technical specification.
4 Required characteristics
4.1 Configuration — Dimensions — Tolerances — Masses
Configuration: see Figure 1.
Dimensions, tolerances and masses: see Figure 1 and Table 1.
Dimensions and tolerances apply after surface treatment.
4.2 Surface roughness
See Figure 1.
4.3 Materials
Bush: Aluminium alloy EN 2086.
Liner: Self-lubricating wear resistant material consistent with the requirements of EN 2311.
4.4 Surface treatment
Chromic acid anodizing EN 2101A.
Sulphuric acid anodizing EN 2284A.
6 Marking
In addition to the manufacturer’s own marking each bush and its package shall be marked with the identity block specified in clause 5 of this standard.
Marking position and method are at manufacturer’s option, and shall not have any detrimental effect on the hush.
7 Technical specification
Bushes supplied to this standard shall conform with the requirements of technical specification EN 2311.
The loads given in Table 2 of this standard are only applicable under the conditions given in EN 2311.
8 Design recommendation
Bushes defined by this standard are intended to be installed by interference fit methods (see Figure 2). Therefore, the loads given in Table 2 can only be insured if the following mounting is applied.EN 2286-1989 pdf download.
EN 2286-1989 pdf download
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