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Author Topic: Magnets, motion and measurement  (Read 131888 times)

Floor

  • Guest
Re: Magnets, motion and measurement
« Reply #105 on: November 13, 2018, 09:39:58 PM »
Here is a a PDF file "Magnet force shield attraction 11-8-18"

I am building a cross slide module for my test bed.  This magnet orientation / set up uses
pole to pole orientations for the fixed and sliding magnets and a "polar checker board"
configuration for the shield magnet array.   The shield is very effective and output
forces are around 4 times greater than in previous videos.


                     floor

Offline telecom

  • Hero Member
  • *****
  • Posts: 559
Re: Magnets, motion and measurement
« Reply #106 on: November 14, 2018, 02:43:02 AM »
Here is a a PDF file "Magnet force shield attraction 11-8-18"

I am building a cross slide module for my test bed.  This magnet orientation / set up uses
pole to pole orientations for the fixed and sliding magnets and a "polar checker board"
configuration for the shield magnet array.   The shield is very effective and output
forces are around 4 times greater than in previous videos.


                     floor
Looks very promising, but it would be nice to see the actual measurements.

Floor

  • Guest
Re: Magnets, motion and measurement
« Reply #107 on: November 19, 2018, 09:59:19 PM »

Floor

  • Guest
Re: Magnets, motion and measurement
« Reply #108 on: November 20, 2018, 08:33:02 PM »
Looks very promising, but it would be nice to see the actual measurements.

It would be nice to see you put your entitlements in check to.
Got any thing to contribute ?

           floor

Floor

  • Guest
Re: Magnets, motion and measurement
« Reply #109 on: November 20, 2018, 08:39:32 PM »

Floor

  • Guest
Re: Magnets, motion and measurement
« Reply #110 on: November 20, 2018, 08:59:43 PM »

Offline telecom

  • Hero Member
  • *****
  • Posts: 559
Re: Magnets, motion and measurement
« Reply #111 on: November 20, 2018, 11:01:13 PM »
Hi Floor,
I have nothing to contribute yet, unfortunately my 3D printer requires a new print head,
waiting for the part.
Nevertheless, I'm following your progress with an enormous attention.
I want to make my test bed similar to yours to avoid surprises.
Best regards.

Floor

  • Guest
Re: Magnets, motion and measurement
« Reply #112 on: November 20, 2018, 11:41:12 PM »


A word to the wise, about inconsistent magnet strengths.


                         https://www.dailymotion.com/video/x6xinsj7

                         floor

Floor

  • Guest
Re: Magnets, motion and measurement
« Reply #113 on: November 20, 2018, 11:46:49 PM »
video didn't load, try again

https://www.dailymotion.com/video/x6xinsj

                 floor

Floor

  • Guest
Re: Magnets, motion and measurement
« Reply #114 on: November 20, 2018, 11:51:03 PM »
Hi Floor,
I have nothing to contribute yet, unfortunately my 3D printer requires a new print head,
waiting for the part.
Nevertheless, I'm following your progress with a great attention.
I want to make my test bed similar to yours to avoid surprises.
Best regards.

                Best  regards also
                      floor

Offline telecom

  • Hero Member
  • *****
  • Posts: 559
Re: Magnets, motion and measurement
« Reply #115 on: November 21, 2018, 12:36:09 AM »
Here is a a PDF file "Magnet force shield attraction 11-8-18"

I am building a cross slide module for my test bed.  This magnet orientation / set up uses
pole to pole orientations for the fixed and sliding magnets and a "polar checker board"
configuration for the shield magnet array.   The shield is very effective and output
forces are around 4 times greater than in previous videos.


                     floor
would be interesting to know the magnitude of the force of the inserting and removing the sliding shield.
Regards
« Last Edit: November 21, 2018, 04:47:18 AM by telecom »

Floor

  • Guest
Re: Magnets, motion and measurement
« Reply #116 on: November 25, 2018, 03:56:23 PM »
short video

https://www.dailymotion.com/video/x6xgiez

                 floor

Offline F6FLT

  • Sr. Member
  • ****
  • Posts: 405
Re: Magnets, motion and measurement
« Reply #117 on: November 26, 2018, 10:26:15 AM »
What is interesting is not only the magnitude of the force, but the work of the force, i. e. the energy.
Force alone is misleading. For example, the force exerted on a magnet sliding away parallel to another magnet is less than the force exerted when the magnets separate perpendicularly. Nevertheless the work is the same.

Offline telecom

  • Hero Member
  • *****
  • Posts: 559
Re: Magnets, motion and measurement
« Reply #118 on: November 26, 2018, 11:41:03 PM »

Force alone is misleading. For example, the force exerted on a magnet sliding away parallel to another magnet is less than the force exerted when the magnets separate perpendicularly. Nevertheless the work is the same.

I think the other way around, perpendicular separation produces almost no effort.

Floor

  • Guest
Re: Magnets, motion and measurement
« Reply #119 on: November 27, 2018, 08:42:22 PM »
To determine the work / energy expended in simple magnet interactions...

https://overunity.com/16954/magnets-motion-and-measurement/msg525821/#msg525821

etcetera ........