Is it the subject matter, Marbury? You recently replied to an
off-topic post crossposted to, of all places
(24hoursupport.helpdesk).
alt.home.repair,uk.d-i-y,uk.rec.cars.maintenance,rec.woodworking,24hoursupport.helpdesk
Subject "Bending 3mm metal puzzle"
Your reply about an aluminum kitchen saucepan had nothing to do
with woodworking, car maintenance, or the chock-full-of-trolls
helpdesk group.
--
"Mike Marlow" <mmarlowREMOVE windstream.net> wrote:
> Path: news.astraweb.com!border6.newsrouter.astraweb.com!news.glorb.com!npeer02.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!post02.iad.highwinds-media.com!ALLTEL.NET-a2kHrUvQQWlmc!not-for-mail
> From: "Mike Marlow" <mmarlowREMOVE windstream.net>
> Newsgroups: alt.home.repair,rec.crafts.metalworking
> References: <4f67b801$0$860$c3e8da3$9b4ff22a news.astraweb.com> <XnsA01BC24581EF0lloydspmindspringcom 216.168.3.70>
> Subject: Re: 160 pound spring for a 1/2 inch gap?
> Date: Mon, 19 Mar 2012 21:57:07 -0400
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> Lloyd E. Sponenburgh wrote:
>> John Doe <jdoe usenetlove.invalid> fired this volley in
>> news:4f67b801$0$860 $c3e8da3$9b4ff22a news.astraweb.com:
>>
>>> I want to put a spring under the heel of my inline skate. But
>>> there is only a 1/2 inch clearance, and it needs to be a
>>> heavy-duty spring. Should I consider using a spring steel flat bar
>>> or similar, instead?
>>>
>>
>> Belville washers. You can stack them to any height you wish, and get
>> them in anything from mere foil to structural thicknesses.
>>
>> LLoyd
>
> You guys seem to have an interesting conversation going on, but why are you
> cross posting it to all of the irrelevant groups? I've stripped
> rec.woodworking out of this reply, and would have stripped others but I
> don't know from where you are generating this discussion. Please be
> considerate and post/reply only to the relevant groups. This whole thread
> which was started by "John Doe" was abusive of usenet protocols, so why not
> reign it in and keep it within your own area of interest/conversation?
>
> --
>
> -Mike-
> mmarlowREMOVE windstream.net
>
>
>
>
"Lloyd E. Sponenburgh" <lloydspinsidemindspring.com> wrote:
> Cydrome Leader <presence MUNGEpanix.com> fired
>> Bellville washers are great for compression but offer no
>> stability otherwise.
>>
>
> What does that mean?
I think he is talking about how the suspended wheel functions,
like how it is held upright. I need to carefully consider that, if
I do it.
Thanks to the pinpoint replies.
--
> They work like any other spring, though constrained differently.
>
> I use them all the time as mold cushions on pressing equipment.
>
> LLoyd
Ecnerwal <MyNameForward ReplaceWithMyVices.Com.invalid> wrote:
> Look into Belleville disc springs (aka washer springs)
>
> McMaster (among many other places) sells them, and has a brief
> introduction to them if this link is any good (or go search
> their site if it's bad - sometimes they don't like to paste
> right)
>
> http://www.mcmaster.com/#belleville-disc-springs/=gqic79
>
> McMaster is often fast, often has stuff, but is not always
> cheapest if you are trying to squeeze the last penny out. They
> are not infrequently cheap enough if you hunting for the
> absolute best deal involves spending time that's worth anything
> on the search.
>
> For instance 9712K69 - Qty. 12 3/8 ID 3/4 OD 166 lb working load
> each with a height of 0.055 inches for $4.12 - you can fit 9 in
> 1/2" as an inverted stack,
You mean like stacking them in alternating directions, one facing
up and then the next facing down and so on.
> giving a deflection at working load of 0.099 inches for the
> stack.
What is "deflection" in this context. Is it the amount that the
stack moves to the side? Is it compression? A compression of 1/10
inch?
Also, what is the meaning of "low cycle" in this expression
"low-cycle die press applications such as trimming and stamping".
I would guess that means "few cycles" or "slow cycles" but I don't
know what machine they're talking about.
Thanks.
--
> I'm assuming you have 3/4 inch width available, and are trying
> to fit 1/2" height. Other options are available if that's not
> the case.
>
In article <[email protected]>,
John Doe <[email protected]> wrote:
> I want to put a spring under the heel of my inline skate. But
> there is only a 1/2 inch clearance, and it needs to be a
> heavy-duty spring. Should I consider using a spring steel flat bar
> or similar, instead?
>
> Thanks.
Look into Belleville disc springs (aka washer springs)
McMaster (among many other places) sells them, and has a brief
introduction to them if this link is any good (or go search their site
if it's bad - sometimes they don't like to paste right)
http://www.mcmaster.com/#belleville-disc-springs/=gqic79
McMaster is often fast, often has stuff, but is not always cheapest if
you are trying to squeeze the last penny out. They are not infrequently
cheap enough if you hunting for the absolute best deal involves spending
time that's worth anything on the search.
For instance 9712K69 - Qty. 12 3/8 ID 3/4 OD 166 lb working load each
with a height of 0.055 inches for $4.12 - you can fit 9 in 1/2" as an
inverted stack, giving a deflection at working load of 0.099 inches for
the stack. I'm assuming you have 3/4 inch width available, and are
trying to fit 1/2" height. Other options are available if that's not the
case.
--
Cats, coffee, chocolate...vices to live by
Please don't feed the trolls. Killfile and ignore them so they will go away.
"John Doe" wrote in message
news:[email protected]...
I want to put a spring under the heel of my inline skate. But
there is only a 1/2 inch clearance, and it needs to be a
heavy-duty spring. Should I consider using a spring steel flat bar
or similar, instead?
Thanks.
________________________________________________________
Maybe a piece of rubber or urethane.
John Doe <[email protected]> fired this volley in news:4f67b801$0$860
[email protected]:
> I want to put a spring under the heel of my inline skate. But
> there is only a 1/2 inch clearance, and it needs to be a
> heavy-duty spring. Should I consider using a spring steel flat bar
> or similar, instead?
>
Belville washers. You can stack them to any height you wish, and get them
in anything from mere foil to structural thicknesses.
LLoyd
Cydrome Leader <[email protected]> fired this volley in news:jk8md0
[email protected]:
> Bellville washers are great for
> compression but offer no stability otherwise.
>
What does that mean? They work like any other spring, though constrained
differently.
I use them all the time as mold cushions on pressing equipment.
LLoyd
John Doe wrote:
> I want to put a spring under the heel of my inline skate. But
> there is only a 1/2 inch clearance, and it needs to be a
> heavy-duty spring. Should I consider using a spring steel flat bar
> or similar, instead?
>
> Thanks.
How much travel do you need from the spring? If your just looking for
shock absorption I would use some elastomer compound. You can get it
with a lot of different compression rates and then you just mold it in
place. Sort of like Shoe goo or silicone based RTV
--
Steve W.
On 3/19/2012 5:49 PM, John Doe wrote:
> I want to put a spring under the heel of my inline skate. But
> there is only a 1/2 inch clearance, and it needs to be a
> heavy-duty spring. Should I consider using a spring steel flat bar
> or similar, instead?
>
> Thanks.
You could devise a lever operated suspension utilizing a torsion bar for
a spring. That way, you could adjust it and create the whole new
industry manufacturing skate suspensions. ^_^
TDD
In rec.crafts.metalworking John Doe <[email protected]> wrote:
> I want to put a spring under the heel of my inline skate. But
> there is only a 1/2 inch clearance, and it needs to be a
> heavy-duty spring. Should I consider using a spring steel flat bar
> or similar, instead?
>
> Thanks.
Would something like rubber work? Bellville washers are great for
compression but offer no stability otherwise.