Glass help

Discussion on what materials you laser cut or engrave
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Jack Martin
Posts: 26
Joined: Fri May 07, 2021 10:17 am
Location: Washougal Washington
Country: USA
Laser Machine Make or Type: OMTech
Laser Power: 50
Laser Bed Size: 12x28
Home Position: TL
Control Software: LIGHTBURN
RDWorks Version: V8
Ruida Controller: Other
Accessories: Rudia RDworks V8, rotory, pass thru
Windows Version: 10

Glass help

Post by Jack Martin »

I am trying to get a contract with a manufacturer of bongs and such. His glass is 'different'. It either doesn't etch well or blows out, not getting the dots and if I do they are almost invisible. I have tried masking with no apparent change. Tried any combo of speeds and settings that get me close but unless I fracture the heck out of it and get blow outs it really looks crappy. A few blowouts is also ugly.
This company has been sending their work out to be sandblasted and it takes weeks I guess. I am almost next door. I could do the sandblasting because the mask would be easy. Before I run out an buy a blaster, got any ideas?

50W, Ruidia, lightburn, rotory, l don't remember the glass type but it is the type used for blowing glass. I find glass varies greatly in it's response to the laser.
Pete Cyr
Posts: 1611
Joined: Sun Nov 27, 2016 5:16 pm
Location: Suffolk Virginia
Country: United States
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Control Software: RDWORKS
RDWorks Version: v8.01.18
Ruida Controller: RDC6442
Accessories: roller rotary attachment
Windows Version: Win 10

Re: Glass help

Post by Pete Cyr »

If it is a bong for smoking it is probably tempered and therefore MUCH harder than regular sheet glass
Location - VA
Equipment - Boss Laser 1630
Power - 100W
Laser Bed Size - 16" x 30"
Home Position - TR
Full RDWorks Version - v8.01.18
First name - Pete
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Gene Uselman
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Location: Suburban Minneapolis, Minnesota, US
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Laser Machine Make or Type: AKL1318-2
Laser Power: 130W & 80W Reci
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Home Position: TR
Control Software: LIGHTBURN
RDWorks Version: RDw .19 & Lightburn
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Accessories: I have a combining lenses, pin tables [homebuilt], honeycomb tables , wireless remote, Modifed Ultimate Air Assist, home built non-powered rotary device, Prusa i3 MK3S and Mini Prusa printers.
Windows Version: Win 10 Pro

Re: Glass help

Post by Gene Uselman »

Somewhere in the deep dark crevasses of my brain I recall that Laser 100 will work on glass? I have been meaning to try it but I don't have one of my rotaries set up for this machine.
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Pete Cyr
Posts: 1611
Joined: Sun Nov 27, 2016 5:16 pm
Location: Suffolk Virginia
Country: United States
Laser Machine Make or Type: Boss 1630
Laser Power: 100w
Laser Bed Size: 16"x30"
Home Position: TR
Control Software: RDWORKS
RDWorks Version: v8.01.18
Ruida Controller: RDC6442
Accessories: roller rotary attachment
Windows Version: Win 10

Re: Glass help

Post by Pete Cyr »

If it is a bong for smoking it is probably tempered and therefore MUCH harder than regular sheet glass
Location - VA
Equipment - Boss Laser 1630
Power - 100W
Laser Bed Size - 16" x 30"
Home Position - TR
Full RDWorks Version - v8.01.18
First name - Pete
User avatar
Gene Uselman
Posts: 1771
Joined: Thu Jul 07, 2016 3:18 pm
Location: Suburban Minneapolis, Minnesota, US
Country: USA
Nickname: Gene
Laser Machine Make or Type: AKL1318-2
Laser Power: 130W & 80W Reci
Laser Bed Size: 51 x 71
Home Position: TR
Control Software: LIGHTBURN
RDWorks Version: RDw .19 & Lightburn
Ruida Controller: RDC6445
Accessories: I have a combining lenses, pin tables [homebuilt], honeycomb tables , wireless remote, Modifed Ultimate Air Assist, home built non-powered rotary device, Prusa i3 MK3S and Mini Prusa printers.
Windows Version: Win 10 Pro

Re: Glass help

Post by Gene Uselman »

And... if it is not a bong for smoking, Pete? That is what we used to use them for way back then.
If the Help and advice you received here was of VALUE...
Please consider making a donation to maintain the RDWORKSLAB Forum.

BT48 Alpha Shopbot and 1300x1800 130W Laser

The days that I keep my gratitude higher than
my expectations, Well, I have really good days.

Ray Wylie Hubbard
Jack Martin
Posts: 26
Joined: Fri May 07, 2021 10:17 am
Location: Washougal Washington
Country: USA
Laser Machine Make or Type: OMTech
Laser Power: 50
Laser Bed Size: 12x28
Home Position: TL
Control Software: LIGHTBURN
RDWorks Version: V8
Ruida Controller: Other
Accessories: Rudia RDworks V8, rotory, pass thru
Windows Version: 10

Re: Glass help

Post by Jack Martin »

Well actually at this point this is just scrap cut offs from making them, but It is a special glass and I forget the name. Yes it is hard hard stuff and no it is not tempered. I will try the Laser Bond and see WTF.
Jack Martin
Posts: 26
Joined: Fri May 07, 2021 10:17 am
Location: Washougal Washington
Country: USA
Laser Machine Make or Type: OMTech
Laser Power: 50
Laser Bed Size: 12x28
Home Position: TL
Control Software: LIGHTBURN
RDWorks Version: V8
Ruida Controller: Other
Accessories: Rudia RDworks V8, rotory, pass thru
Windows Version: 10

Re: Glass help

Post by Jack Martin »

Borosilicate
Pete Cyr
Posts: 1611
Joined: Sun Nov 27, 2016 5:16 pm
Location: Suffolk Virginia
Country: United States
Laser Machine Make or Type: Boss 1630
Laser Power: 100w
Laser Bed Size: 16"x30"
Home Position: TR
Control Software: RDWORKS
RDWorks Version: v8.01.18
Ruida Controller: RDC6442
Accessories: roller rotary attachment
Windows Version: Win 10

Re: Glass help

Post by Pete Cyr »

Well today I am unsure what many things may be called in the current lexicon. I too am dated in my definition of a bong - These day the more I learn the more ignorant I find my self to be. Back in the day I had no idea how ignorant I was or how much there was to learn.
Location - VA
Equipment - Boss Laser 1630
Power - 100W
Laser Bed Size - 16" x 30"
Home Position - TR
Full RDWorks Version - v8.01.18
First name - Pete
Jack Martin
Posts: 26
Joined: Fri May 07, 2021 10:17 am
Location: Washougal Washington
Country: USA
Laser Machine Make or Type: OMTech
Laser Power: 50
Laser Bed Size: 12x28
Home Position: TL
Control Software: LIGHTBURN
RDWorks Version: V8
Ruida Controller: Other
Accessories: Rudia RDworks V8, rotory, pass thru
Windows Version: 10

Re: Glass help

Post by Jack Martin »

Ya I miss those days of knowing so much....lol....I sorta grew out of it and just don't give a crap any more. These young'uns know it all now, we are just dumb ole farts.

Hey the laser bond made the difference of having a product to show this customer and no product. Unreal how that stuff works. BUT I must include some of the setup. LaserBond requests a 2" focal length. I had a lens for that so swapped out, ramped, made my height gauge. The tube was put through two different images. Speed was 30 ips and the best power was 15% second best or almost the same at 18% but at 20% it began to blow out and not be as noteworthy of an etching. All the etchings have a black or gray tint to them but they don't rub off. I don't feel it needs lacquer on top like metal does.

Thanks for the suggestion
Gary Thompson
Posts: 28
Joined: Tue Aug 27, 2019 4:10 am
Location: Belfast
Country: Northern Ireland
Nickname: Gary
Laser Machine Make or Type: Mantech
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Laser Bed Size: 600 x 400
Home Position: TL
RDWorks Version: v8.01.16
Accessories: Rotary attachment
Windows Version: 10

Re: Glass help

Post by Gary Thompson »

Jack

Borosilicate is used for chemistry equipment - beakers etc so it's a lot tougher. Pyrex is similar. I have had some success engraving on to it and can only remember that it ran a lot hotter than 'ordinary' glass.

If you get the settings sorted a good tip for this type of glass is to paint on some bench sodium hydroxide solution after it's engraved. Leave for a couple of days and wash off. You end up with a whiter etch.
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