Rolling Bearing Damage 2009 Part 5 pot
Rolling Bearing Damage 2009 Part 5 pot
... and roller with fatigue damage.
52 : Failure mechanism as in fig. 51 but
with wear of the raceway edges, cross
profile of the roller see fig. 69.
a
b
0
0
5
1
10
15
20
25
23 56 7891011
mm
μm
4
• Fatigue ... of running features and damage to dismounted bearings
Pattern of rolling contact
44: Reduction in life due to different contaminants
45: Fatigue damage caused by foreign p...
Rolling Bearing Damage 2009 Part 2 potx
... damage to dismounted bearings
FAG 12
12: Rolling bearing damage symptoms and their causes
Symptom Damaged area of bearing Typical causes of rolling bearing damage
Mounting
Seats Rolling Lip Cage ... running features and damage to dismounted
bearings
11: Causes of failure in rolling bearings (Source: antriebstechnik 18 (1979) No. 3,
71-74). Only about 0. 35% of all roll...
Rolling Bearing Damage 2009 Part 11 pot
... info@schaeffler.com
In Germany:
Phone 0180 50 03872
Fax 0180 50 03873
From other countries:
Phone +49 9132 82-0
Fax +49 9132 82-4 950
Notes
4.7 Calculation of load
conditions
In several cases bearings, whose load
situation ... calculate values for the ex-
ternal bearing load, tilting between
mounted rings, internal stress, kinematic
procedures within the bearing, deforma-
tion of mati...
Rolling Bearing Damage 2009 Part 3 pptx
... taken
3.1 Measures to be taken
3.1.1 Marking separate parts
– When there are several bearings from
the same type of bearing location
number all bearing parts and keep a
record of their arrangement in ... Appearance of dis-
mounted bearing parts
1 Foreign particle
indentations ■
2 Fatigue ■■■■■
3 Stationary
vibration marks ■
4 Molten dents
and flutes ■
5 Skidding ■ ■
6 Rolling eleme...
Rolling Bearing Damage 2009 Part 4 ppt
... and damage to dismounted bearings
Pattern of rolling contact
35: Locating-floating bearing arrange-
ment with two deep groove ball
bearings.
a: The deep groove ball bearing on the
work end is ... designed as the locating
bearing, the bearing on the drive end
as the floating bearing.
b: Tracks on bearings in working order.
The locating bearing shows the
characteristics of a...
Rolling Bearing Damage 2009 Part 6 ppt
... Use lubricant with corrosion inhibi-
tors
35 FAG
Evaluation of running features and damage to dismounted bearings
Pattern of rolling contact
55 : Surface damage due to attack of aggressive media. ... flowing
through the bearing (earthing, insula-
tion).
– Use current insulated bearings.
FAG 38
Evaluation of running features and damage to dismounted bearings
Pattern of rolling c...
Rolling Bearing Damage 2009 Part 8 docx
... flow,
more cleanliness)
– Use bearings designed for operating
conditions in question
– Coat cage
FAG 52
Evaluation of running features and damage to dismounted bearings
Lip contact
86: Bad contact ... sealing effect
53 FAG
Evaluation of running features and damage to dismounted bearings
Lip contact
87: Corrosion in the area of the sealing track at the lip of an angular contact ball
b...
Rolling Bearing Damage 2009 Part 9 ppsx
... ANALYSIS
Label : IRR50
1st harmonic : 7.3129 µm
PROFILE
Meas. cycle : 0.090 °
Filter : 0 -50 0 upr
Represent. : LSC soft-centered
20000 fold : 0. 25 µm
2 .5
0. 25
0.0 25
0.00 25
R
0 2. harmonic 0 .50 43 µm 150
0° 90° ... self-aligning bearings, avoid mis-
alignment
55 FAG
Evaluation of running features and damage to dismounted bearings
Cage damage
90: Diagonal wear in cage pockets...
Rolling Bearing Damage 2009 Part 10 ppsx
... 47781 4 454 3
Nickel 231,604 1,778 4 114 62 38487 21640
Vanadium 311,071 0,937 -37 5 45 64228 6 856 0
Tungsten 400,8 75 0,742 -16 4 26 14129 19 053
Silicon 251 ,611 2,173 310 50 9 92 23 85 955
sample: ... 268 962 4 15 17 951 5 107 157
Manganese 257 ,610 1,318 -76 -121 -34 67816 51 496
Chromium 267,716 1,476 381 669 1 95 76696 51 688
Copper 324, 754 0,834 -471 80 660 2297 3316
Mol...
Đề thi TOIEC tháng 5-2009 part 5 potx
... 150 . C
151 . D 152 . D 153 . B 154 . D 155 . A 156 . B 157 . B 158 . A 159 . B 160. B
161. A 162. D 163. D 164. B 1 65. B 166. A 167. D 168. A 169. C 170. C
171. B 172. D 173. C 174. A 1 75. D 176. C 177. C ... 1 25. B 126. B 127. B 128. B 129. A 130. A
131. B 132. D 133. D 134. C 1 35. C 136. D 137. C 138. A 139. B 140. D
141. B 142. C 143. B 144. D 1 45. B 146. A 147. A 148. C 149. D 150...