diff --git a/uni/mmme/2044_design_manufacture_and_project/bearings.md b/uni/mmme/2044_design_manufacture_and_project/bearings.md index 5da47be..90d5d32 100755 --- a/uni/mmme/2044_design_manufacture_and_project/bearings.md +++ b/uni/mmme/2044_design_manufacture_and_project/bearings.md @@ -5,6 +5,7 @@ title: MMME2044 // Bearings tags: [ bearings ] uuid: 94cac3fd-c352-4fdd-833d-6129cb484b8a lecture_slides: [ ./lecture_slides/Lecture 7 - Bearings 1 – Plain Hydrodynamic Bearings 1.pdf ] +anki_deck_tags: [ bearings ] --- > I don't think I ever finished these notes. @@ -97,7 +98,6 @@ lecture_slides: [ ./lecture_slides/Lecture 7 - Bearings 1 – Plain Hydrodynamic - # fun graphs that may be useful for bearing selection ![](./images/bearings_1-035.jpg) @@ -129,7 +129,7 @@ $$p = \frac{F_\text{radial}}{bD}$$ $$V = \omega\frac D2$$ -![](./images/vimscrot-2022-11-15T17:48:21,486895199+00:00.png) +![](./images/vimscrot-2023-04-28T18:17:05,184873693+01:00.png) ## Axial Sliding Bearing @@ -138,7 +138,23 @@ $$p = \frac{4F_\text{axial}}{\pi(D^2-d^2)}$$ $$V = \omega\frac{D+d}{4}$$ -![](./images/vimscrot-2022-11-15T17:48:34,860294942+00:00.png) +![](./images/vimscrot-2023-04-28T18:17:16,580658677+01:00.png) + +## Plain Rubbing Bearings + +- does not rely on liquid lubricaton +- usually made of polymers and moulded to final shape +- dry lubricants like ptfe are added +- reinforcements like glass fibres can be added +- pressure is limited by strength +- speed is limited by temperature + +## Oil Lubricated Porous Bearings + +- manufactured from sintered metal powders +- porous & oil impregnated +- more porous bearings are weaker but can run at higher speeds +- lubricant needs to be replenished at regular intervals # Wear diff --git a/uni/mmme/2044_design_manufacture_and_project/images/vimscrot-2023-04-28T18:17:05,184873693+01:00.png b/uni/mmme/2044_design_manufacture_and_project/images/vimscrot-2023-04-28T18:17:05,184873693+01:00.png new file mode 100644 index 0000000..f500119 Binary files /dev/null and b/uni/mmme/2044_design_manufacture_and_project/images/vimscrot-2023-04-28T18:17:05,184873693+01:00.png differ diff --git a/uni/mmme/2044_design_manufacture_and_project/images/vimscrot-2023-04-28T18:17:16,580658677+01:00.png b/uni/mmme/2044_design_manufacture_and_project/images/vimscrot-2023-04-28T18:17:16,580658677+01:00.png new file mode 100644 index 0000000..45d1649 Binary files /dev/null and b/uni/mmme/2044_design_manufacture_and_project/images/vimscrot-2023-04-28T18:17:16,580658677+01:00.png differ diff --git a/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044 -E1 Solutions 2021-22.pdf b/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044 -E1 Solutions 2021-22.pdf new file mode 100644 index 0000000..63448df Binary files /dev/null and b/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044 -E1 Solutions 2021-22.pdf differ diff --git a/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044-E1_2021-22.pdf b/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044-E1_2021-22.pdf new file mode 100644 index 0000000..576acb6 Binary files /dev/null and b/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044-E1_2021-22.pdf differ diff --git a/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044-E1_Solutions_2020-21.pdf b/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044-E1_Solutions_2020-21.pdf new file mode 100644 index 0000000..9d4fbcb Binary files /dev/null and b/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044-E1_Solutions_2020-21.pdf differ diff --git a/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044-R1.pdf b/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044-R1.pdf new file mode 100644 index 0000000..23cdd77 Binary files /dev/null and b/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044-R1.pdf differ diff --git a/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044_Exam Paper_2020-21.pdf b/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044_Exam Paper_2020-21.pdf new file mode 100644 index 0000000..166d3ba Binary files /dev/null and b/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044_Exam Paper_2020-21.pdf differ diff --git a/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044_R1_Solution.pdf b/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044_R1_Solution.pdf new file mode 100644 index 0000000..5e794ab Binary files /dev/null and b/uni/mmme/2044_design_manufacture_and_project/past_papers/MMME2044_R1_Solution.pdf differ