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Car Forum / Chrysler Cars / July 2007research on car hinges
Hi, I'm doing a research on car hinges and I'm trying to find some contacts in the automotive industry that could give me some informations on those components and about the manufacturing process that is used to produce the hinges. If any body had some contacts to share, please let me know. Or if you have some information to share directly, that would also be great! You were told on the first crosspost how to look them up yourself. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's - Gone to the rust pile... Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pictures.html?id=2115147590 (More Off Road album links at bottom of the view page) > Hi, > [quoted text clipped - 7 lines] > Or if you have some information to share directly, that would also be > great! > You were told on the first crosspost how to look them up yourself. Oh, was "Do a "google" on "National Automotive Door, Hood, Trunk and Liftgate Hinge Museum and Archives"" a serious reply? Or did I miss the reply you are referring to? I really don't know and am being serious here. Toyota MDT in MO >> You were told on the first crosspost how to look them up yourself. > [quoted text clipped - 6 lines] > > Toyota MDT in MO Sure sounded legit to me.... Also sounds like some kid wanting his homework done for him.... Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's - Gone to the rust pile... Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pictures.html?id=2115147590 (More Off Road album links at bottom of the view page) > >> You were told on the first crosspost how to look them up yourself. > [quoted text clipped - 8 lines] > > Sure sounded legit to me.... Fair enough, but not to me anyway. Hey kids, y'all want to go to the hinge museum, or we could stay at home and peruse the hinge archives! (kids) Yay!!! Hinges!!! > Also sounds like some kid wanting his homework done for him.... Agreed. Toyota MDT in MO > >> You were told on the first crosspost how to look them up yourself. > [quoted text clipped - 17 lines] > Jan/06http://www.imagestation.com/album/pictures.html?id=2115147590 > (More Off Road album links at bottom of the view page) The "kid" has already been calling all major actors of the hinge industry and been able to map about 90% of the technologies used in the European Market. Unfortunately, I cannot afford to go to the US to find it out by myself. Further more, it is very difficult to have some contacts on the car maker side and though I past the last 2 weeks calling to European car makers, I only reached a couple of people that were able to slightly help me. A massive cross-posting to groups that are likely to be composed of drivers of vehicles of various makes and models is likely to prove futile. I have some really interesting copper-plated steel or iron hinges, that look as if they might have been plated first, and then forged by hand. Doors in an 1890s vintage Victorian house in Silverton, CO. It is amazing that a blacksmith could do. Saludos cordiales, Schönen Gruß, Saúde, Earle > > >> You were told on the first crosspost how to look them up yourself. > > [quoted text clipped - 29 lines] > makers, I only reached a couple of people that were able to slightly > help me.  SignaturePosted via a free Usenet account from http://www.teranews.com >>>> You were told on the first crosspost how to look them up yourself. >>> Oh, was "Do a "google" on "National Automotive Door, Hood, Trunk and [quoted text clipped - 25 lines] > makers, I only reached a couple of people that were able to slightly > help me. Fair enough. You should check out the 4x4 shops as they make aftermarket hinges for Jeep restoration or just looks. Same for custom car shops for American car restorations. Mike > Hi, > [quoted text clipped - 7 lines] > Or if you have some information to share directly, that would also be > great! Most hinge parts are made with progressive stamping dies. The round parts (pins and rivets) are likely made with cnc screw machines or cam operated screw machines. The assembly of the parts can range from very high tech to very low tech. Low tech assembly in China or Mexico is probably the trend. > > Hi, > [quoted text clipped - 13 lines] > high tech to very low tech. Low tech assembly in China or Mexico is > probably the trend. Thank you for all the info. I'm also trying to understand better the differences between the existing manufacturing process that are used for hinges: stamped, profiled and forged hinges. >From what I have found for the moment, is that stamped is the cost solution. Profiled hinges occupies less space inside the door, but is slightly heavier than a stamped hinge because profilled hinges are "filled" with metal, whereas stamped hinges are like metal sheets. Yet profiled hinges offer better mechanical properties (more resistant) at a higher cost. Finally, forged hinges are better in all ways, except for the price, as they are more expensive. Could any one confirm this, and maybe give me some more information about the benefits from each technology and maybe give me some numbers about the gain and loss between each technology (hinge manufacturers are not really willing to give me those answers)? Does anybody had the chance to weight such hinges (unfortunately, car dealers don't have such parts in stock)? Thank you! |
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