[Lab] Laser cutter cutting unevenly

[Richard Sloan]

There is consistently not enough cleaning of the laser and its optics, I
have cleaned it on many occasions and its been very dirty! both the lens
and the mirror on the gantry.

Richard.

On Thu, Oct 16, 2014 at 11:19 AM, Dave Hunt <dave at huntgang.com> wrote:

> This could also be an issue with dirty optics (lens and or mirrors).  At
> the farther extremes the laser needs to travel further and tends to
> attenuate through space.  Dirty optics further exaggerate this problem.
>
> On Thu, Oct 16, 2014 at 10:30 AM, Darcy Whyte <darcy at inventorartist.com>
> wrote:
>
>> Lift the cutting table out and make sure there is nothing underneath it
>> or it's feet that could be making the table un-level.
>>
>> When focusing the machine pick three places that are far apart. Far apart
>> left and right and far apart fore and aft. this will bring forward any
>> leveling issues.
>>
>> If the bed isn't level then it may not cut the same everywhere on the
>> bed...
>>
>>
>>
>> --
>> Darcy Whyte
>>
>> Art+ inventorArtist.com <http://inventorartist.com/> | Aviation
>> rubber-power.com
>> Contact: darcy at inventorArtist.com | 613-563-3634 by appointment (no text)
>>
>>
>> On Thu, Oct 16, 2014 at 10:26 AM, <janick at bergeron.com> wrote:
>>
>>>  Did a few small acrylic projects on the laser cutter during the AGM.
>>> Thank you to those who fixed the "homing" problem.
>>>
>>>
>>>
>>> However, it was not cutting through near the top and bottom of the bed
>>> (3mm acrylic). It was thin enough that it could be cracked by hand but left
>>> a sharp, jagged edge.
>>>
>>>
>>>
>>> Anyone else noticed?
>>>
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>>
>>
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>
>
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