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Messages - ROSS

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1
Thanks for alll your replies, i was too afraid to brush the burn out just in case it ruined my image but after reading your comments i gave it a try and it worked great... Thanks guys..
As far as a fan on my machine - no i don't..  Do i need one.? Do they help.?

YES AND YES...
A fan  also stops the lens being dirtied up...and if the machine is in an enclosure you will need an exhaust fan as well...and if you cut stuff that gives off toxic fumes then you need and enclosure AND  a good exhaust fan to exhaust OUTSIDE.
Fair bit of info on the forum about air ducting onto the work piece and ventilation.

2
Fear not.  I am 83..still burning and turning.......

3
Time to take up knitting........?

4
As i see the development goes in mysterious ways!

Here in EU we have same situation. I work as self-employed, but if i will cause any damage or harm or business fall, i need to pay by my appartment, car, everything i have.

First of all - be the one who understand the risks. Then get some papers for that.

I changed this way my garrage in the basement of our block of flats to small production site.
You can always solve the operators job by signed acceptance that he do it on his own risk.
In my situation - biggest problem was color coating, cause it smells around - just found best hours to do so, when everyone is out of his home.

I've never seen anything 100% clean and legal, even in big companies with 600.000 turnover.
They all play "its about people" card everytime.

You just need to have balls for it :)
Every snowhiker, freerider, snowboarder knows that: There are no rules.

FYI: I destroyed my greenroom to get the space for laser!  :o so dont push me, cause i am close to the edge..


NOW you know why the UK is wanting OUT!! too many stupid rules for a start.

5


BTW, I don't know why the Chinese firms that make the inexpensive laser safety goggles don't sell laser shielding sheet plastic. Certified laser shielding is crazy expensive. We need a cheaper alternative.

There ARE  alternatives in acrylic and not as expensive.  There is quite a bit on the forum about this.  Google Perspex or Acrylic.

http://benboxlaser.us/index.php/topic,38.msg258.html#msg258

6
General Discussion / Re: New lens
« on: February 17, 2017, 04:45:25 AM »
mine was from banggood

Probably not Banggood fault... more like the  people who made the laser head ...but as Banggood sold it I would have had a go at getting it replaced.  Damn annoying tho'

7
General Discussion / Re: New lens
« on: February 17, 2017, 01:17:12 AM »
Just as a matter of interest.
 Where were the lasers bought that have "wobbly" lens as received???
?

8
Laser Accessories / Re: Compressor Air Assist
« on: February 15, 2017, 12:13:08 PM »
I see this thread has a bit of age to it but I have a question about volume / pressure needed to improve burns.  Clearly we do not want to blow the work piece off the table but what amount of air is needed?  If the addition of AIR really helps then I will want to try it.
Thanks.
Peter F.

  adjust the air until it does the job without blowing the workpiece off the baseboard!:)

9
Well if it ain't too bad then gentle fine sanding.

10
Banggood.com / Re: Banggood replacement shipped after 100+ days.
« on: February 15, 2017, 03:00:22 AM »
I am never impressed by Chinese firms but if you want cheap..........................

11
Banggood.com / Re: Help please
« on: February 15, 2017, 02:57:15 AM »
I have found Banggood usually quite amenable to changing goods or money back.  keep at them...
Paypal was a good idea and should sort it out. 
These people at Chinese firms tend to run out of ideas when they get to the bottom of the page..you have to hammer them..they do not like loss of face especially when you give them a good hammering on forums and in feedback/comments on their own website....

12
General Discussion / Re: Hello All
« on: February 13, 2017, 04:09:30 AM »
Welcome! Ahmet.......

13
General Discussion / Re: Emblaser 2 taking pre-orders
« on: February 13, 2017, 04:08:24 AM »
I notice they coyly announce the laser wattage power as   5+   

14
Laser Accessories / Re: Air Assist with Radial fans
« on: February 11, 2017, 01:03:47 AM »
Just wondering if air being blown over the lens will deposit some dust etc on the lens itself thus degrading it.  Would have thought it better to direct air DOWN &  ACROSS the  actual work surface to blow debris AWAY from the lens and work in progress by the smallish diameter  hose method and outside fan unit using VERY flexible silicon tubing such as TYGON. Many using the Aussie Emblaser use this method and it seems to work ok for them.  They have also   used a higher power fan on top of the laser head  (same dimensions as the original...They are available at reasonable cost and seem to cool the heatsink and laser effectively :)

15
General Discussion / Re: Is this ttl capable?
« on: February 08, 2017, 05:47:20 AM »
I would not have thought a lens costing $5 was really top quality?

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