[sdiy] plastic serrated edging

[cheater cheater]

> How about tubing of the correct diameter that you've slit with a razor?

That was exactly my idea.

With some types of PVC tubing you can also bake it onto metal, making
it assume the shape and stay there.


> If I went that route I'd be tempted to build a small wood fixture
> with a hole drilled to guide the tubing against the blade - controls
> the cut and makes it less likely to slit your finger :-0!

If you just use a hole and a small razor, the cut won't be even - the
elasticity of the tubing may make the cut "drift" to the sides.
However if you use something like say a plastic knife after the razor,
with the plastic knife going into the cut in the tubing and making
sure the tubing doesn't twist, then you will have much better cuts.

Alternative: don't use plastic, use metal. Also good. You can get the
right kind of metal bits in metal shops. Metal tubing will not hurt
the cables any more than plastic tubing would, and it will also be
stronger and will stay put.

HTH,
D.

(Stay-Put monster! Don't cross the cables!)

On Tue, Nov 30, 2010 at 04:51, Dave Manley <dlmanley at sonic.net> wrote:
> On 11/29/2010 4:06 PM, Tim Parkhurst wrote:
>>
>> On Mon, Nov 29, 2010 at 3:45 PM, David Brown<davebr at earthlink.net>  wrote:
>>>
>>> I need several feet of plastic / nylon serrated edging that I can put on
>>> the
>>> edge of thin sheet metal, 0.050" or less in thickness.  I need it pretty
>>> flexible to go around the inside corners of some irregular holes to
>>> protect
>>> wiring that goes through them.
>
> How about tubing of the correct diameter that you've slit with a razor?
>
> Cheap, flexible, and available, but might require some adhesive.
>
> If I went that route I'd be tempted to build a small wood fixture
> with a hole drilled to guide the tubing against the blade - controls
> the cut and makes it less likely to slit your finger :-0!
>
> -Dave
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