DIN 31652-2:2015-06 (Draft)
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PLAIN BEARINGS - HYDRODYNAMIC PLAIN JOURNAL BEARINGS UNDER STEADY-STATE CONDITIONS - PART 2: FUNCTIONS FOR CALCULATION OF CIRCULAR CYLINDRICAL BEARINGS
Hardcopy , PDF
07-03-2021
German
01-01-2015
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1 Scope and field of application
2 Functions relating to full circular cylindrical bearing
(omega = 360degree)
2.1 Sommerfeld number So as a function of relative
eccentricity epsilon and relative bearing length
B/D
2.2 Attitude angle beta as a function of relative
eccentricity epsilon and relative bearing length
B/D
2.3 Relative coefficient of friction mu/psi eff as a
function of Sommerfeld number So and relative
bearing length B/D
2.4 Lubricant flow rate resulting from development of
internal pressure
2.5 Lubricant flow rate resulting from feeding
pressure
2.5.1 Lubricant feed through lubrication hole
located opposite to direction of loading
2.5.2 Lubricant feed through lubrication hole
located at 90degree to direction of
loading
2.5.3 Lubricant feed through two lubrication
holes location at + 90degree to
direction of loading
2.5.4 Lubricant feed through lubrication
groove (ring groove)
2.5.5 Lubricant feed through lubrication
groove (circumferential groove)
2.5.6 Lubricant feed through lubrication bore
relief located opposite to direction of
loading
2.5.7 Lubricant feed through lubrication bore
relief located at 90degree to direction
of loading
2.5.8 Lubricant feed through two lubrication
bore reliefs located at + 90degree to
direction of loading
3 Functions relating to the semi-circular cylindrical
bearing (omega = 180degree)
3.1 Sommerfeld number So as a function of relative
eccentricity epsilon and relative bearing length
B/D
3.2 Attitude angle beta as a function of relative
eccentricity epsilon and relative bearing length
B/D
3.3 Relative coefficient of friction mu/psi eff as a
function of Sommerfeld number So and relative
bearing length B/D
3.4 Lubricant flow rate resulting from development of
internal pressure
4 Effective dynamic viscosity eta eff of lubricant as a
function of effective bearing temperature teff
| DocumentType |
Draft
|
| Pages |
26
|
| PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
| Status |
Superseded
|
| Standards | Relationship |
| ISO 7902-2:1998 | Identical |
| DIN 7474:1983-12 | PLAIN BEARINGS; THICK-WALLED MULTILAYER PLAIN BEARINGS WITH CYLINDRICAL BORE, DIVIDED |
| DIN 7473:1983-12 | PLAIN BEARINGS; THICK-WALLED MULTILAYER PLAIN BEARINGS WITH CYLINDRICAL BORE, UNDIVIDED |
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