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Posted by Rich on August 7, 2008, 2:26 pm
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I'm not a model engineer.
I have a 150mm long, 3mm thick-wall, 200mm dia extruded acrylic tube.
I want to cut out of it 3 pieces 15mm long.
I don't think I have much option than marking it out as best I can and
using a hand/hacksaw.
Unless anyone knows of a more ingenious way that I could knock-up.
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Posted by Rich on August 7, 2008, 2:37 pm
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> I'm not a model engineer.
>
> I have a 150mm long, 3mm thick-wall, 200mm dia extruded acrylic tube.
>
> I want to cut out of it 3 pieces 15mm long.
>
> I don't think I have much option than marking it out as best I can and
> using a hand/hacksaw.
>
> Unless anyone knows of a more ingenious way that I could knock-up.
Actually, I wonder if I can put the tube on a flat surface end down (of
course). I cut out a 15mm high block of wood. Then I get my juniour
hacksaw and rest the blade on the wood block. Then cut, every so ofter
turning the tube untill I've cut through it all.
That's my best idea.
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Posted by Austin Shackles on August 7, 2008, 3:39 pm
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enlightened us thusly:
>
>> I'm not a model engineer.
>>
>> I have a 150mm long, 3mm thick-wall, 200mm dia extruded acrylic tube.
>>
>> I want to cut out of it 3 pieces 15mm long.
>>
>> I don't think I have much option than marking it out as best I can and
>> using a hand/hacksaw.
>>
>> Unless anyone knows of a more ingenious way that I could knock-up.
>
>Actually, I wonder if I can put the tube on a flat surface end down (of
>course). I cut out a 15mm high block of wood. Then I get my juniour
>hacksaw and rest the blade on the wood block. Then cut, every so ofter
>turning the tube untill I've cut through it all.
>
>That's my best idea.
bandsaw, I'd think, if you know of one big enough. It depends on what
accuracy you want.
--
Austin Shackles. www.ddol-las.net my opinions are just that
Travel The Galaxy! Meet Fascinating Life Forms...
------------------------------------------------
>> http://www.schlockmercenary.com/ << ...and Kill them.
a webcartoon by Howard Tayler; I like it, maybe you will too!
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Posted by Rich on August 7, 2008, 4:37 pm
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> enlightened us thusly:
>
>>
>>> I'm not a model engineer.
>>>
>>> I have a 150mm long, 3mm thick-wall, 200mm dia extruded acrylic
>>> tube.
>>>
>>> I want to cut out of it 3 pieces 15mm long.
>>>
>>> I don't think I have much option than marking it out as best I can
>>> and
>>> using a hand/hacksaw.
>>>
>>> Unless anyone knows of a more ingenious way that I could knock-up.
>>
>>Actually, I wonder if I can put the tube on a flat surface end down
>>(of
>>course). I cut out a 15mm high block of wood. Then I get my juniour
>>hacksaw and rest the blade on the wood block. Then cut, every so ofter
>>turning the tube untill I've cut through it all.
>>
>>That's my best idea.
>
> bandsaw, I'd think, if you know of one big enough. It depends on what
> accuracy you want.
> --
I think if I am prepared to spend a little money a tile cutter has been
known to work:
http://www.screwfix.com/prods/83636/Power-Tools/Tile-Saws/Titan-SF180T1-600W-Tile-Cutter;jsessionid=YZ1IE2A5ZPKEACSTHZOCFFY
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Posted by newshound on August 7, 2008, 5:25 pm
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>>>> I have a 150mm long, 3mm thick-wall, 200mm dia extruded acrylic
>>>> tube.
>>>>
>>>> I want to cut out of it 3 pieces 15mm long.
>>>>
>>>Actually, I wonder if I can put the tube on a flat surface end down
>>>(of
>>>course). I cut out a 15mm high block of wood. Then I get my juniour
>>>hacksaw and rest the blade on the wood block. Then cut, every so ofter
>>>turning the tube untill I've cut through it all.
>>>
With those dimensions I'd use a grown up hacksaw rather than a junior. Two
15 mm blocks, one each end of the blade to set the height, connected
together in a bigger jig which supports the frame and holds the whole lot
parallel to your flat surface. Or just make a hacksaw-shaped "frame" in 15
mm timber / ply and screw a hacksaw blade to it.
The other way to cut acrylic sheet is to scribe and snap. With only 3 mm
wall you could perhaps score a sharp V-groove almost all of the way through
with a suitable tool supported at the right height by the same sort of
method. I think I'd try to clamp the tube down to your base plate perhaps
with a length of studding. You could cut a 200 mm dia circle in (say) 18 mm
plywood to fit the bore, and screw/glue that to the baseboard to stop the
tube moving around when you are cutting.
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>
> I have a 150mm long, 3mm thick-wall, 200mm dia extruded acrylic tube.
>
> I want to cut out of it 3 pieces 15mm long.
>
> I don't think I have much option than marking it out as best I can and
> using a hand/hacksaw.
>
> Unless anyone knows of a more ingenious way that I could knock-up.