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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Sheet metal picture card holder
Hello, I am designing a picture card holder for a busy store with
regular through traffic. I am going to do it in sheet metal steel 1 mm thick. cut out a square for the picture to show through , fold back the sides and cut out a tab each side that will slot on a wire frame. I am going to paint the picture holder a matt black and then have the paint hardened. My concern is: 1) that the paint finish and look of the holder will stand up to wear and tear over a 2 year period-one thing I would not want to see is corroded metal exposed and 2) that 1mm thick steel is going to be strong enough to hold up to wear and tear and keep its correct shape over a 2 year period.I am not sure wether i should leave the folded edges free or wether they should be attached together(welded?) Thanks Steve Thanks Steve |
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Have you considered powder coat? It would hold up better than paint.
There are other coatings as well, but not sure what your budget will sustain. JW |
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jw wrote: Have you considered powder coat? It would hold up better than paint. There are other coatings as well, but not sure what your budget will sustain. JW No not yet-but am now-thanks Steve |
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wrote in message oups.com... Hello, I am designing a picture card holder for a busy store with regular through traffic. I am going to do it in sheet metal steel 1 mm thick. cut out a square for the picture to show through , fold back the sides and cut out a tab each side that will slot on a wire frame. I am going to paint the picture holder a matt black and then have the paint hardened. My concern is: 1) that the paint finish and look of the holder will stand up to wear and tear over a 2 year period-one thing I would not want to see is corroded metal exposed and 2) that 1mm thick steel is going to be strong enough to hold up to wear and tear and keep its correct shape over a 2 year period.I am not sure wether i should leave the folded edges free or wether they should be attached together(welded?) Thanks Steve Are you in the US? You may have trouble getting one mm sheet, why not specify standard gauge which will be readily available and no metric penalty price on it. Wayne |
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wrote in message oups.com... Hello, I am designing a picture card holder for a busy store with regular through traffic. I am going to do it in sheet metal steel 1 mm thick. cut out a square for the picture to show through , fold back the sides and cut out a tab each side that will slot on a wire frame. I am going to paint the picture holder a matt black and then have the paint hardened. My concern is: 1) that the paint finish and look of the holder will stand up to wear and tear over a 2 year period-one thing I would not want to see is corroded metal exposed and 2) that 1mm thick steel is going to be strong enough to hold up to wear and tear and keep its correct shape over a 2 year period.I am not sure wether i should leave the folded edges free or wether they should be attached together(welded?) Thanks Steve You should also consider Ultra High Molecular Weight Polyethylene as a material. It will never wear out! You cannot glue it, but you could design it for snap together and buy the material and design with box format for rigidity. They use this material on heavy duty earth excavator's teeth because of it's resistance to abrasion wear. Try sanding a piece and you will know why! |
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This is going to be made in China-
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This is a good idea -Would it have the rigidity required?
could I directly use my flat metal pattern and just substitute Ultra High Molecular Weight Polyethylene? however, I probably have not got enough time to research the feasibility of using this material and also wether the Chinese manufacturer can even get it . Steve |
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On Thu, 22 Sep 2005 18:51:07 GMT, "Wayne Lundberg"
wrote: Are you in the US? You may have trouble getting one mm sheet, why not specify standard gauge which will be readily available and no metric penalty price on it. Wayne 16 gauge Gerry :-)} London, Canada |
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wrote in message ups.com... I probably have not got enough time to research the feasibility of using this material and also wether the Chinese manufacturer can even get it . Why are you sending this kind of work to China? Plenty of local shops could do it for you. -- __ Roger Shoaf Important factors in selecting a mate: 1] Depth of gene pool 2] Position on the food chain. |
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Roger Shoaf wrote:
wrote in message ups.com... I probably have not got enough time to research the feasibility of using this material and also wether the Chinese manufacturer can even get it . Why are you sending this kind of work to China? Plenty of local shops could do it for you. I have a feeling he may be talking large quantity, maybe very large quantity. Much cheaper in China. Sure, there are plenty of local shops who can do it, but can they do it at the same price? Abrasha http://www.abrasha.com |
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Thanks again all. I am definitely going powder coat if i can.
Abrasha you are right, this is going to be a big quantity for a major retailer although I won't say who. Must confess, I would rather give the work to a local outfit, but the choice is not mine to make.... Steve Abrasha wrote: Roger Shoaf wrote: wrote in message ups.com... I probably have not got enough time to research the feasibility of using this material and also wether the Chinese manufacturer can even get it . Why are you sending this kind of work to China? Plenty of local shops could do it for you. I have a feeling he may be talking large quantity, maybe very large quantity. Much cheaper in China. Sure, there are plenty of local shops who can do it, but can they do it at the same price? Abrasha http://www.abrasha.com |
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wrote:
Thanks again all. I am definitely going powder coat if i can. Abrasha you are right, this is going to be a big quantity for a major retailer although I won't say who. Must confess, I would rather give the work to a local outfit, but the choice is not mine to make.... Steve Hmmm, That sounds like something of the order of Crate & Barrel or Pottery Barn. Good for you to be involved in something like that. I think it's very exited to be involved with "economies of scale". Wouldn't mind to do it myself some time. I'd love to have my chess set produced in very large quantities in China, so it could retail well under $500.00 in the US. I could sell quite a few at that price. Abrasha http://www.abrasha.com |
#14
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wrote in message oups.com... Thanks again all. I am definitely going powder coat if i can. Abrasha you are right, this is going to be a big quantity for a major retailer although I won't say who. Must confess, I would rather give the work to a local outfit, but the choice is not mine to make.... Steve Abrasha wrote: Roger Shoaf wrote: wrote in message ups.com... I probably have not got enough time to research the feasibility of using this material and also wether the Chinese manufacturer can even get it . Why are you sending this kind of work to China? Plenty of local shops could do it for you. I have a feeling he may be talking large quantity, maybe very large quantity. Much cheaper in China. Sure, there are plenty of local shops who can do it, but can they do it at the same price? Abrasha http://www.abrasha.com I have the perfect shop for you right here across the border from San Diego in Tijuana. They have really up to date fab shop and state of the art powder coating. The freight from China may be enough to justify doing it closer to home. Take a look: https://www.mydocsonline.com/pub/Way...ufacturing.pps And as to UHMWPE... I don't think it's rigid enough, it's more like Teflon than something like Lexan. And Lexan would be an ideal plastic material. Tough, bullet proof! Wayne |
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