[Lab] laser mirror holders

[Darcy Whyte]

It should be easy to drill and tap into a cupcake part if needed. If you
have a better idea, cool....

The mirror is a 1" circle.




On Thu, Nov 4, 2010 at 1:58 PM, Paul & Andrea Mumby <themumbys at gmail.com>wrote:

> I assumed it didn't need to be the same as the ebay one, but that gives me
> an idea of the mechanics, so I know what type of behavior I'm emulating...
>
> I'm not sure about the threaded hole idea, but I'm sure I can get something
> equally as effective from a printed part for sure.
>
> If you can bring the existing one that would give me another hands-on
> example, and I could take some pics of it too to use for reference... is the
> mirror itself circular? or square?
>
> I'll let you know shortly if we can meet tonight.
>
> - Paul
>
> On Thu, Nov 4, 2010 at 1:27 PM, Darcy Whyte <darcy at siteware.com> wrote:
>
>>
>> The mirror holder on my cutting head has a 1" threaded hole. you slip the
>> mirror into the hole and there is a threaded circle that you screw in to
>> pinch it down into the hole.
>>
>> If we are able to meet tonight I'll bring that one.
>>
>> It doesn't have to work the same as the one on ebay. As long as it can
>> hold the 1" mirror and be tilted for adjustment (through a screw or
>> something to make it accurate).
>>
>>
>>
>>
>>
>> On Thu, Nov 4, 2010 at 1:23 PM, Paul & Andrea Mumby <themumbys at gmail.com>wrote:
>>
>>> Ok, so if I get the mechanics from those photos, their particular design
>>> has the flat square bracket (with the circular hole) which would be the
>>> plate which the mirror itself would be fixed against. This pivots on a
>>> ballbearing in the corner of the L shaped bracket, with 2 center springs
>>> under tension, which keeps the corner set screws under compression, allowing
>>> you to adjust the X and Y tilt, the L shaped bracket has 2 holes one in each
>>> "arm" which I'm assuming are for mounting the whole apparatus to your
>>> machine...
>>>
>>> I'm not sure how the mirror is affixed to the flat plate with the
>>> circular hole, they mention plastic tipped screws, but I don't see that
>>> anywhere in the pic, but I might be missing that... Either way if my above
>>> assumptions of the mechanics are correct, I should be able to mock up a
>>> design for this quite easily...
>>>
>>> If you have any other input to offer that might let me get something
>>> mocked up in time to show you tonight.
>>>
>>> I'll confirm with my wife when I get home from work if tonight is ok for
>>> a quick meeting, and if she's ok with that then I'll email you and confirm
>>> timing and such early this evening...
>>>
>>> Does that work for you?
>>>
>>> Thanks!
>>>
>>> - Paul
>>>
>>> On Thu, Nov 4, 2010 at 12:44 PM, Darcy Whyte <darcy at siteware.com> wrote:
>>>
>>>> Did you follow the ebay link I sent?
>>>>
>>>> Okay, we can meet up tonight later if you want. Just send me the address
>>>> at time to darcy at siteware.com. I can probably come around 9 or just
>>>> before 10 for a quick meeting.
>>>>
>>>>
>>>>
>>>> On Thu, Nov 4, 2010 at 12:41 PM, Paul & Andrea Mumby <
>>>> themumbys at gmail.com> wrote:
>>>>
>>>>> I'm in Bayshore... My house and workshop are a bit of a disaster area
>>>>> lately though lol... I think my wife would shoot me if I invited someone in
>>>>> right now :)
>>>>>
>>>>> Either way, we could meet quickly to discuss your options, if you have
>>>>> some hand sketches or something of the parts, and bring along some samples,
>>>>> and dimensions, I could mock something up tonight/tomorrow, and we could
>>>>> discuss it more at the faire... your right in that there might not be a ton
>>>>> of time, but I was surprised how easily the design/testing cycle works now
>>>>> that I have rapid prototyping capability... Small parts take 20min to print
>>>>> or less, so I can easily whip up a design in an hour or less, print it, and
>>>>> take an iterative design approach to something that is normally much more
>>>>> monolithic... It wastes a bit more material, but since material costs are so
>>>>> low for the plastic filament, it's totally worth the agility gained in the
>>>>> design process...
>>>>>
>>>>> Let me know what your thoughts are and we can talk about it.
>>>>>
>>>>> I'm a bit busy tonight and tomorrow, as I also have some paperwork to
>>>>> catch up on for my home business, and some other todo items to deal with
>>>>> (I've been multitasking between print and other stuff) but I could probably
>>>>> afford an hour or so either tonight or tomorrow between 8pm and 10pm to
>>>>> discuss options. Otherwise we can talk at the faire and meet up sometime
>>>>> following that if that works better.
>>>>>
>>>>> Even an email with some sketches/dimensions and pics of parts and so on
>>>>> might let me mock up something quickly if that's preferable as well.
>>>>>
>>>>> Thanks!
>>>>>
>>>>> - Paul
>>>>>
>>>>> On Thu, Nov 4, 2010 at 12:26 PM, Darcy Whyte <darcy at siteware.com>wrote:
>>>>>
>>>>>>
>>>>>> I would think that there wouldn't be much time to do it during the
>>>>>> Maker Faire. The printing would be easy but the design (and any experiments)
>>>>>> would take a while.
>>>>>>
>>>>>> I think the plastic cost is cool.
>>>>>>
>>>>>> Where are you? If you want to try some test runs, I could drop by if
>>>>>> you want.
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Thu, Nov 4, 2010 at 12:18 PM, Paul & Andrea Mumby <
>>>>>> themumbys at gmail.com> wrote:
>>>>>>
>>>>>>> There will be several 3d printers at the maker faire, I would bet you
>>>>>>> could have mirror holders made at the maker faire with enough
>>>>>>> bartering/negotiating lol... 1" holding brackets wouldn't take long to
>>>>>>> print, it would mostly be design/testing time that would consume the most
>>>>>>> effort...
>>>>>>>
>>>>>>> I'd be fine with printing them for you at maker faire for cost of
>>>>>>> plastic used (which would be minimal, hell I would likely do it for free
>>>>>>> depending on the volume of plastic). provided we have the time/resources to
>>>>>>> design the parts. I'm sure a lot of the other guys will have more Industrial
>>>>>>> Design experience than I do though.
>>>>>>>
>>>>>>> Anyway, point being there will be at minimum 5 3d printers, and
>>>>>>> possibly as many as 7-8 at the maker faire. So between all of them I'm sure
>>>>>>> your parts could get done ;)
>>>>>>>
>>>>>>> Also there is talk about kickstarting the RepRap Loaner program at
>>>>>>> the ottawa Maker Faire, so we will be trying to build a reprap mendel at the
>>>>>>> faire, and use it as a community loaner model.
>>>>>>>
>>>>>>> I've been working on printing parts to have at the maker fair in the
>>>>>>> evenings this week (just for examples) so if you have a design in mind, or
>>>>>>> some info, perhaps I could run a few off as tests tonight or tomorrow, and
>>>>>>> bring them along, get a bit of a head start.
>>>>>>>
>>>>>>> Let me know.
>>>>>>>
>>>>>>> - Paul
>>>>>>>
>>>>>>> On Thu, Nov 4, 2010 at 11:55 AM, Darcy Whyte <darcy at siteware.com>wrote:
>>>>>>>
>>>>>>>>
>>>>>>>> I'm now wanting to make mirror holders. The mirrors are 1". I need
>>>>>>>> two of them. They should have a tilt adjust.
>>>>>>>>
>>>>>>>> Any ideas?
>>>>>>>>
>>>>>>>> The artengine makerbot? What is the status of that? What is the
>>>>>>>> procedure for booking it?
>>>>>>>>
>>>>>>>> I'd like to try and have them done before Guy and I are finished
>>>>>>>> making the mounting brackets for the laser tube.
>>>>>>>>
>>>>>>>> Here are some mirror holders on ebay:
>>>>>>>>
>>>>>>>> http://cgi.ebay.com/2-Thorlabs-1-Optic-Mounts-Holder-Laser-Mirror-Lens-/160361359773?pt=LH_DefaultDomain_0&hash=item255648299d#ht_1115wt_869
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Lab mailing list
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>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
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