[tog] Nichrome wire

Gleb Lebedev gleb at gleblebedev.com
Fri May 29 17:37:24 CEST 2015


... About vacuum forming...

I thought the temperature should be quite precise, isn't it? Otherwise it
could make plastic too soft and it will melt down.
On 29 May 2015 4:29 pm, "digi hobo" <hontar at gmail.com> wrote:

> What you cutting, modellng polystyrene?
>
> Speaking of making tools, I thought I'd give making a vacuum forming a go
> https://www.youtube.com/watch?v=maH5Ech0wK8
>
> Cheap to make, just need some mdf and an old hoover.
> Where would I get a free 2nd hand hoover?
>
> Also some electrical heating elements to warm up the plastic.
>
> On Fri, May 29, 2015 at 2:02 PM, Mike Hibbett <mike.hibbett at gmail.com>
> wrote:
>
>> I've had no trouble with guitar wire, and it lasts reasonably well. Plus
>> it costs next to nothing.
>>
>> On 29 May 2015 at 13:59, Gary Cooke <garycookex at eircom.net> wrote:
>>
>>> yes, go for it.
>>>
>>> Use a variable power supply to see what you need. Typically you need
>>> just a few volts but relatively high current......a few amps. Depends on
>>> the wire thickness. Bit of trial and error.
>>>
>>> Is guitar wire stainless? Trouble with ordinary wire is that its
>>> resistance changes too much with temp and so hard to control. Nichrome
>>> doesn't change resistance much I think.
>>>
>>> ------------------------------
>>> *From: *"seannicholls" <seannicholls at gmail.com>
>>> *To: *"garycookex" <garycookex at eircom.net>
>>> *Cc: *"tog" <tog at lists.tog.ie>
>>> *Sent: *Friday, 29 May, 2015 13:53:49
>>> *Subject: *Re: [tog] Nichrome wire
>>>
>>> Mike says I can use electric guitar wire, and it seems a popular
>>> solution. I may pop down later and swap out the iron wire for something
>>> more musical :-)
>>> thanks everyone!
>>>
>>> Sean
>>>
>>> On Fri, May 29, 2015 at 1:50 PM, Gary Cooke <garycookex at eircom.net>
>>> wrote:
>>>
>>>> I made a hot wire cutter. Its hanging in the workshop. Didn't have
>>>> nichrome wire tho. Just plain iron stuff. Not ideal, but worked.
>>>>
>>>> https://www.flickr.com/photos/100047873@N08/sets/72157639094902503
>>>>
>>>>
>>>>
>>>> ------------------------------
>>>> *From: *"seannicholls" <seannicholls at gmail.com>
>>>> *To: *"tog" <tog at lists.tog.ie>
>>>> *Sent: *Friday, 29 May, 2015 13:40:40
>>>> *Subject: *[tog] Nichrome wire
>>>>
>>>> Does anyone know where I could pick up some Nichrome wire in store in
>>>> Dublin / City Centre?
>>>>
>>>> I want to make a hot wire cutter for Tog
>>>>
>>>> Sean
>>>>
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>>>
>>>
>>>
>>> --
>>>
>>> ******************************************
>>>
>>> telephone: +353 083-105-1500
>>> email: seannicholls at gmail.com
>>> website: http://www.seannicholls.com/
>>>
>>> ******************************************
>>>
>>>
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>>
>>
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>
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