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Mounting fuse holders etc
Mounting fuse holders etc
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Old 6th August 2013, 10:43 AM   #1
audiostrat is offline audiostrat  Greece
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Default Mounting fuse holders etc

I have been thinking about the proper way of mounting such parts (fuse holders, jacks etc) on metal chassis.

Some of them have a D-shape axis, I think everyone has come across such parts. So, the best way of securing these from rotating is to cut a D-shape hole. Not an easy one or whatever.

I think that what I must do is use locking washers, the ones that have teeth for example. I suppose that this is a quick and cheap method of securing almost everything.

Does anyone have experience on the use of such washers? Do you think that it is sufficient?
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Old 6th August 2013, 11:30 AM   #2
AndrewT is offline AndrewT  Scotland
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Old 6th August 2013, 11:43 AM   #3
spwalek is offline spwalek  United States
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I usually drill a slightly smaller hole and use a file for the "flat" spot on the "D" of the hole. The lock washer would probably work but you may end up with twisting on the holder, that's why I usually file.
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Old 6th August 2013, 12:02 PM   #4
tinitus is offline tinitus  Europe
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Quote:
Originally Posted by audiostrat View Post
Does anyone have experience on the use of such washers? Do you think that it is sufficient?
for speaker terminals it is not enough
one thing you really do not want is a speaker terminal moving when mounting a speaker wire
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Old 6th August 2013, 12:08 PM   #5
audiostrat is offline audiostrat  Greece
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Quote:
Originally Posted by tinitus View Post
for speaker terminals it is not enough
one thing you really do not want is a speaker terminal moving when mounting a speaker wire
It is meant only for fuses and power jacks - where power jacks could be tiny XLR, DIN connector (most possible) or typical cheap 2.1 jacks for guitar pedals.

Many thanks for the answers!

spwalek: I did not figure out what you mean by "twisting on the holder"!
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Old 6th August 2013, 01:30 PM   #6
doctordata is offline doctordata  Australia
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Locktite Gel Contact super glue .
Very effective , Use it all the time , rock solid , no more rotation .

Cheers ,

Rens
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Old 6th August 2013, 01:48 PM   #7
audiostrat is offline audiostrat  Greece
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Quote:
Originally Posted by doctordata View Post
Locktite Gel Contact super glue .
Very effective , Use it all the time , rock solid , no more rotation .

Cheers ,

Rens
You mean this?

One drop at each fuse, I guess?
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Old 6th August 2013, 01:52 PM   #8
tinitus is offline tinitus  Europe
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Quote:
Originally Posted by audiostrat View Post
One drop at each fuse, I guess?
how about secure/safe fuse holders ?

could you be please be more specific/precise about what problem it is you need to solve
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Old 6th August 2013, 02:03 PM   #9
audiostrat is offline audiostrat  Greece
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Quote:
Originally Posted by tinitus View Post
how about secure/safe fuse holders ?

could you be please be more specific/precise about what problem it is you need to solve
I am building a power supply to power up 11 effect pedals for guitar use. This will require that I have 12 secondary fuses at the rear of the box.

But I want these fuses to be easily replaced during a gig. So I planned to use regular panel mount fuseholders like this.

For the layout that I plan to use, check this thread, post 78.

So I just say that since regular fuse holders are D-shaped, I want to come up with an easy way to ensure that they don't rotate, other than drilling a D-shape hole.

EDIT: What is this secure holder you are talking about?

Last edited by audiostrat; 6th August 2013 at 02:04 PM. Reason: Asked something.
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Old 6th August 2013, 02:52 PM   #10
tinitus is offline tinitus  Europe
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Quote:
Originally Posted by audiostrat View Post
EDIT: What is this secure holder you are talking about?
one where you won't have to touch the fuse when in curcuit

could be the like the one you suggest yourself

I would suggest a fuse drawer ... since it has room for a spare fuse
but harder to make the square holes
and with that many you need ...

I know its good practice to use multiple regulated supply in those 'power bricks'
but do you really have fuse them all seperately

actually, with this low power, do you need to fuse more than incoming mains voltage
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