New incoming work.....

admin

Hey guys,I picked up a nice working relationship with a fellow who owns a tin shop about (2) mi away & fabs loads of sheetmetal applications for the heating/ac contractors. We met a couple years ago when I had him fab a couple of vent hoods for our shop. Nice guy to work with & has an absolutely drool-over metal fab shop with everything one could imagine including a huge cnc plasma table that can fit (2) 4' X 8' sheets on it. His work is impeccable & he is quite the magician with sheetmetal.....I'm really learning now.I stopped by a couple weeks ago to get a small hood made for a customer who melts lead & he said he's been trying to get in touch with me to do some welding for him on custom jobs & some repairs he got in but lost my phone #. I gave him a half-dozen cards & he had (2) customers there needing repair work done......yup....got them both. He was making (4) exterior custom fan radiused vent boxes for a pizza shop & they were required to have all the seams welded. He asked me if I wanted the work & a lot more that he's been turning away. Yup.... we struck an agreement that benefits both us & he brought up the first (2) vents today & the other(2) he'll bring by on Sat. when he picks these (2) up. All galvanized 14ga & I told him I have to remove the galv. on the edges to weld & asked if it would be an issue. He indicated no problem & would take care of the weld seams. Gonna be busy for a while. Here's some pics of the units....Denny Attached ImagesComplete Welding/Machine/Fab. ShopMobile UnitFinally retired*Moderator*"A man's word is his honor...without honor there is nothing.""Words are like bullets.... Once they leave your muzzle, you cannot get them back."
Reply:Good to hear you've got a lot of work Denny..No government ever voluntarily reduces itself in size. Government programs, once launched, never disappear. Actually, a government bureau is the nearest thing to eternal life we'll ever see on this earth! Ronald Reagan
Reply:You get all the fun jobs..Around here you are a "Tin Knocker"......zap!I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:Around here, you are a "sheety".  Maybe spelt "sheetie".
Reply:Originally Posted by LarryOAround here, you are a "sheety".  Maybe spelt "sheetie".
Reply:Originally Posted by zapsterEither and or......zap!
Reply:Hello Yorkie,                  This is Bgbkwndo, calling from Kamloops, British Columbia, Canada.I am wondering why these units have to be welded? If the reason is only to seal the joints, try using a product called Everdur Bronze. No need to remove the galvanizing, it goes on quite cold, and in fact does not melt the Zinc coating. I have done quite a bit of it some years ago, and used two different weld processes. Sharpen a 1/4" carbon rod [as used for arc-air gouging] and insert a piece about 3" long into your electrode holder. With D.C. current set to straight polarity, establish an arc with just enough amperage to maintain the arc. The Everdur Bronze rod is fed into the arc area, and you use it like a brazing process.I have also used TIG, with very good results, but of course, more equipment is required for this process.Best regards, Bgbkwndo.
Reply:Hey Bgb,The job required welding as per engineer specs. because the exhaust fans were going to be set at an angle, not vertically or horizontally. They were designed with a hinge setup so the fans could be tilted open for cleaning the ductwork & the added stress on the duct may cause the seams to open & result in rain getting into the duct. In addition, the specs. indicated that 14ga had to be used instead of the standard 20ga that most duct is fabbed with. That is the explanation the tin shop owner gave as he is furnished all the requirements from the contractor. Apparently there is something in the district building codes that specify exterior mounting specs with any appendages supporting weight. He doesn't argue.... does what is specified......that's what I do also. Makes everything so much easier & simpler.DennyComplete Welding/Machine/Fab. ShopMobile UnitFinally retired*Moderator*"A man's word is his honor...without honor there is nothing.""Words are like bullets.... Once they leave your muzzle, you cannot get them back."
Reply:And that's why the engineer gets paid the big bucks. He sets the specs and takes the heat if anything goes wrong.Get score for you Denny on the work. Tin bashing can result in a lot of work for you.I'm amazed what a skilled tin smith can do with metal.Welding is like woodworking.....you can never have too many clamps!!!Will you TIG these puppies?Congrats.Sign on East Texas payphone: Calls to God 40 cents......it's a local call...
Reply:re: welded ductMost likely a REQUIREMENT per the applicable building/fire codes.The Code requirements for commercial 'kitchen' exhaust ductwork is waaaaaay past just sliding in some lock-seam or end-crimped thin metal duct and putting some duct tape on the seams.  re: brazing instead of welding on the ductIf the engineer and plans/prints say weld, then you weld it.  Again, welding the (heavy wall) ductwork is most likely a Code requirement, as some related safety specs call out a required resistance to 500F for 4 hours AND 2000F for 30 minutes.  The best laid schemes ... Gang oft agley ...
Reply:kitchen exhaust ducts  quickly get a thick lining of grease and can and do catch on fire. welded withstands it better, doesnt fall apart spilling burning grease ....lessons learned become codes.
Reply:Hey guys,To Zap:  Yeah... "tin knocker/basher/sheety/sheetie... doesn't matter to me.... it's STEEL! I'll take it.To Glenn(stampeder):  The t/shop owner, Chuck, is quite religious regarding specs provided by the contractors' engineer & doesn't vary at all. Sometimes he will question something or offer a better solution to the engineer, & then he lets all finalities up to him. Chuck was explaining that the code officer is close to Gestapo regarding code violations & thus the adherence to the engineers specs. Yes, he is a superb craftsman with "tin" & he's given me use of anything I want to do or learn. Yup... at 67, still learnin'.....To MoonRise:  Yes, you are correct & apparently, the engineer is quite knowledgeable regarding welding as his prints specified NO BRAZING, SMAW, or O/A. All fillets acceptable will be ER70S-2 or 6 utilizing GMAW or GTAW. Seems quite clear doesn't it?Since Chuck & I discussed time parameters, he agreed with my suggestion that MIG(GMAW) would be the most cost-effective. He just got an order for some aluminum welding work & said he'd drop a couple sample pieces tomorrow for me to play with & get a setup ready..... 160 pcs initially. Yup...gonna be an interesting summer.Here's pics of one of the finished units.Denny Attached ImagesComplete Welding/Machine/Fab. ShopMobile UnitFinally retired*Moderator*"A man's word is his honor...without honor there is nothing.""Words are like bullets.... Once they leave your muzzle, you cannot get them back."
Reply:thats nice work