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Welding Glass Shade

A QUESTION ????

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Alberta Mike

04-26-2001 07:14:43

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I've had a little Miller mig welder for a few years now and I think I'm finally learning how to use it properly. One problem I had is that sometimes I would lose track of just where my weld was. A welder friend of mine suggested a #9 shade (there was a #12 in it when I got the shield) and I've done that. Much better results and I can actually see what's happening at the weld site and in which direction I am going. My question is, does a #9 glass shade give me enough eye protection and if so, why do some people use darker shades?

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Chiranjib Banerjee

06-03-2001 23:49:39

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Re: Welding Glass Shade - A QUESTION ???? in reply to Alberta Mike, 04-26-2001 07:14:43

Can i have the details (including Address, Phone Nos., Email, Website ID) of Manufacturer of Welding Glass and any other item related to Welding in CHINA? if yes, please contact me on my provided email ID.

Thanking you,

Yours sincerely.

CHIRANJIB BANERJEE

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Fred OH

05-01-2001 16:19:28

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Re: Welding Glass Shade - A QUESTION ???? in reply to Alberta Mike, 04-26-2001 07:14:43

Better late than never, but I haven't been around for a while. One of the most important things about welding lenses that has not been mentioned by the other welders is the difference between welding in the daytime and night. Out in the sunshine a lot of the light is absorbed, but at night it is a different story. You need a darker lenses at night than in the daytime. L8R----Fred OH

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Steve U.S. Alloys

05-01-2001 11:57:08

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Re: Welding Glass Shade - A QUESTION ???? in reply to Alberta Mike, 04-26-2001 07:14:43

Hi Mike,
Just got back off a short vacation (aren't they all?) and am taking a break after digging out from under what accumulated while I was gone. I wanted to respond to your post because of the importance of the subject.

One of the hats I wear for U.S. Alloys is that of safety instructor. This is the industry recommendation for eye protection.

A #10 lense for stick welding with the exception being a #12 for SMAW of aluminum and stainless steel.

A #12 is recommended for both TIG and MIG/MAG/FCAW.

Over the years I have seen people use a #10 for small jobs in all processes where welding would be completed in short periods of time, such as in maintenance. The specs I have quoted where written for production as are most welding specs. Personally, I would never use a shade less than a #10 for any welding application. The exposure to UV/IR rays can damage sensitive tissue and lead to eye problems in later years. Cataracts for instance.
Steve

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walt

04-26-2001 19:09:35

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Re: Welding Glass Shade - A QUESTION ???? in reply to Alberta Mike, 04-26-2001 07:14:43

I cant remember the web site, but ASI(?) rating shows a #8 good up to 150amps for welding. I had the same problem, they recommend starting with #12, then going down a grade until you can see fine, but not less than the recommended rating. I'll try to get the site for you if interested. They also said if after welding, you see spots, the lens is too light.

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Steve from Tn

04-26-2001 14:29:45

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Re: Welding Glass Shade - A QUESTION ???? in reply to Alberta Mike, 04-26-2001 07:14:43

Hi Mike, I think I read a post recently from either T_Bone or Steve at U.S. Alloys that said all of the shades protect us from the UV rays. I think you match the shade to the type job that you are doing. You need to be able to see well enough to do the job. I could be wrong.

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the tractor vet

04-26-2001 21:29:48

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Re: Re: Welding Glass Shade - A QUESTION ???? in reply to Steve from Tn, 04-26-2001 14:29:45

I prefer a #10 for stick welding and a #9 for mig but that is due to the fact that i am getting older and can't see as well as when i was a young buck, now ihave to use cheeters to see close work been thinking about getting them for my welding hoods.

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Dave T

04-28-2001 12:37:09

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Re: Re: Re: Welding Glass Shade - A QUESTION ???? in reply to the tractor vet, 04-26-2001 21:29:48

Hey Mike,,I agree with the Vet. I use 9 for light heliarc, and 10 for stick weld. I also use magifying lenses in my #9 helmet. This helps when I do the small repairs. I can't see very good anymore either. I also use 1/16 electrode and low range on the welder. This allows a really good control on those tiny beads...Dave

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Franz

04-26-2001 10:16:42

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Re: Welding Glass Shade - A QUESTION ???? in reply to Alberta Mike, 04-26-2001 07:14:43

It's one of those questions that comes down to what are you welding. #9 is sort of a bit lacking on eye protection in my book. When I started out, stick selding, I used a #13. When I got into MIG, on light materials, I bought another helmet with one of the then new gold filter lenses, that was a shade 10. For Heliarc, I still use a darker shade. MIG on light material is a smaller arc, emitting less light than stick or heliarc. Bottom line, if you don't have clear vision of the deposit, because too much light is blinding you, get a darker lense.

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Matt

04-26-2001 10:15:06

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Re: Welding Glass Shade - A QUESTION ???? in reply to Alberta Mike, 04-26-2001 07:14:43

I am certainly not an expert on this subject, so if you get advice from someone who is, I would head it; however, I have been looking at auto darkening hoods, so I have tried to learn a little about it. A #9 should provide adequate protection while using your small mig welder. The #12 would be necessary using an arc welder at higher amps.

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Norman

04-26-2001 17:34:19

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Re: Re: Welding Glass Shade - A QUESTION ???? in reply to Matt, 04-26-2001 10:15:06

haveing welded for phelps/dodge corp for seventeen years i have tried all shades of lenses-
if when you strike an ark and it takes a second for your eyes to ajust your lense is too light-i use a #9 and somtimes a #8 on mig welding on light stuff- if you are going to weld 1/8" rod or bigger you better use the darker lense except maybe for tacking- BUT better be safe than sorry
Norman

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