Search found 9 matches

by Robertmr
Tue Nov 29, 2016 1:42 am
Forum: General Laser machine discussion
Topic: Safety measures for 450 nm 2,8 W laser beam
Replies: 2
Views: 2567

Re: Safety measures for 450 nm 2,8 W laser beam

Put it in a thick opaque box with a webcam inside. Maybe be the cheapest option, and allow proper fume extraction.
by Robertmr
Tue Nov 22, 2016 9:28 am
Forum: General Laser machine discussion
Topic: Cutting 6mm MDF - Moisture on underside
Replies: 2
Views: 2932

Re: Cutting 6mm MDF - Moisture on underside

It migh be the glue, mdf has a lot of glue in it, which might be heating up when the flame cuts through.
by Robertmr
Mon Nov 21, 2016 12:29 am
Forum: General Laser machine discussion
Topic: How to cut silicone liner paper multiple sheets
Replies: 6
Views: 4397

Re: How to cut silicone liner paper multiple sheets

We've had good luck when a stack was bonded together via static, but then the adhesive gooed and made them difficult to separate. BY removing the waste matrix (non-printed label material outside the die line) the adhesive won't be an issue, but I doubt the sheets will lay as tightly together... the...
by Robertmr
Fri Nov 18, 2016 2:48 am
Forum: General Laser machine discussion
Topic: Beam seems to change at various power
Replies: 1
Views: 2091

Beam seems to change at various power

Hi all, We're running into a strange issue with our diy lasercutter that has been running near perfectly for the past 2 years. All of a sudden, our laser output seems to very depending on the power output. When we cut a line at 50% power and above, the line is nice and crisp. If we go below that 50%...
by Robertmr
Mon Nov 14, 2016 9:42 am
Forum: General Laser machine discussion
Topic: D.I.Y fridge compressor as air assist
Replies: 1
Views: 2266

Re: D.I.Y fridge compressor as air assist

No, they can't be used for continuous use (they get quite hot). I used them to inflate bicycle-tires but even that was too much for them eventually. A big aquariumcompressor (for bigger outside pools) can work for longer periods / contiuous and can produce quite an amount of air if you use wide tube...
by Robertmr
Tue Nov 08, 2016 7:08 am
Forum: General Laser machine discussion
Topic: Help with Perfect Laser Pleade
Replies: 2
Views: 2672

Help with Perfect Laser Pleade

Hi I have just got a laser the model is Perfect Laser PEDK-4030.
When i turn it on,it resets on X axis but stops and will not reset to Y.
Would anyone have the same machine and be able to help please.
Thanks
by Robertmr
Fri Nov 04, 2016 12:18 am
Forum: General Laser machine discussion
Topic: Laser control software alternative to BenBox
Replies: 2
Views: 3961

Re: Laser control software alternative to BenBox

I have a 5.5 Watt blue laser metal frame kit coming from eBay, PrettyworthShop. Yes I am still waiting, but the vender seems to be an ok guy or company anyway. It comes with some pretty decent software as he sent via email attachment everything needed to run it software wise. I have a "real&quo...
by Robertmr
Tue Nov 01, 2016 1:36 am
Forum: General Laser machine discussion
Topic: Help for k40 laser engraver/cutter
Replies: 1
Views: 1310

Help for k40 laser engraver/cutter

Hello,

I am new in this engraving hobby and need a lot of help.
i started the engraving, but, after 10-20 seconds it is fading.

Please, see picture

also, what are the steps for engraving and cutting at the same time?
Step by step instructions please, since this is my first time.
444.png
444.png (178.72 KiB) Viewed 1310 times
by Robertmr
Fri Nov 13, 2015 3:34 am
Forum: General Laser machine discussion
Topic: A New Build
Replies: 2
Views: 2121

A New Build

I need a little help. 8-) 8-) I keep looking at the GT2 belts and pulleys and keep thinking the teeth are very small not much grip, the teeth are only 0.762 mm tall and 6 mm wide the other belt I'm looking at is the XL which has a taller tooth of 1.3 mm 10 mm wide but the pulleys have a flange about...