Yes. I think that response was lacking. And it was dated over a year ago. On Mon, Nov 18, 2019 at 9:21 AM Jerry Shafer <[email protected]> wrote:
> David, Wrenches > I do not see anything talking about glass just the frame and even if they > included glass 1 mm over 1m this is still out of that tolerance, to me it > sounds like poor quality control or is internally considered acceptable. > Jerry > > On Mon, Nov 18, 2019 at 7:04 AM David Katz <[email protected]> > wrote: > >> Here is a response from Jinko: >> >> >> >> On Mon, Nov 18, 2019 at 7:39 AM Jerry Shafer <[email protected]> >> wrote: >> >>> Wrenches >>> In the way back when years Sharp had one then two braces across the >>> short side and stronger frames. >>> Regarding the glass issue to me it sounds like poor quality and little >>> QC of products. Again years ago l had a shipment of SolarWorld modules that >>> the frames were bowed out on the long side, l contacted them and they >>> stopped production to fix the problem, what has this module manufacturer >>> said? >>> >>> On Mon, Nov 18, 2019, 7:24 AM Jeff Clearwater < >>> [email protected]> wrote: >>> >>>> Yes good thought Jay but it strikes me if we are trying to offset the >>>> results of anticipated bowing with crowning its time for a beefier frame or >>>> thicker glass. REC modules went with 2 cross bars in their frame when going >>>> to 72 cell. I’ve been observing frames get thinner over time - wondering >>>> how a 30 mm frame could do the job on 72 cell mods when we used to have >>>> twice that on 60 cell mods. It’s great to save aluminum and weight but not >>>> at the expense of panel life. Can’t imagine the impact resistance goes up >>>> with less support never mind possible degradation to the wafers due to >>>> flexing? >>>> >>>> Any panel manufacturers on the List that can comment? Any other >>>> modules besides RECS using cross bars? >>>> >>>> Thanks >>>> >>>> Jeff Clearwater >>>> >>>> Sent from my iPhone >>>> >>>> On Nov 17, 2019, at 2:25 PM, Jay <[email protected]> wrote: >>>> >>>> I’m wondering if it’s designed to account for gravity sag once the >>>> modules are mounted. Lots of modules I’ve seen especially the larger format >>>> ones seem to be concave with time. >>>> >>>> If I understand correctly, these are bowed up which would allow them to >>>> settle flat? >>>> >>>> Jay >>>> >>>> >>>> >>>> On Nov 17, 2019, at 2:17 PM, Kristopher Schmid <[email protected]> >>>> wrote: >>>> >>>> >>>> The banding is a good thought, Glenn, except that the one module that >>>> was oriented the opposite way was deformed in the opposite direction. This >>>> rules out the forklift idea, too. I will check specs. I doubt that >>>> testing will reveal anything immediate, but I'm a bit concerned about the >>>> potential long term effects. >>>> >>>> On Sat, Nov 16, 2019, 9:12 AM Kristopher Schmid <[email protected]> >>>> wrote: >>>> >>>>> So, I opened up a pallet of Jinko 400 watt half cell modules yesterday >>>>> and noticed that every module was convex to the glass side. The center >>>>> was >>>>> 1/4 inch higher than the corners. Has anyone else seen this? Should I be >>>>> concerned? Manufacturing issue? Intentional? >>>>> >>>>> Thanks, >>>>> Kris >>>>> >>>> _______________________________________________ >>>> List sponsored by Redwood Alliance >>>> >>>> List Address: [email protected] >>>> >>>> Change listserver email address & settings: >>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>>> >>>> List-Archive: >>>> http://www.mail-archive.com/[email protected]/maillist.html >>>> >>>> List rules & etiquette: >>>> www.re-wrenches.org/etiquette.htm >>>> >>>> Check out or update participant bios: >>>> www.members.re-wrenches.org >>>> >>>> _______________________________________________ >>>> List sponsored by Redwood Alliance >>>> >>>> List Address: [email protected] >>>> >>>> Change listserver email address & settings: >>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>>> >>>> List-Archive: >>>> http://www.mail-archive.com/[email protected]/maillist.html >>>> >>>> List rules & etiquette: >>>> www.re-wrenches.org/etiquette.htm >>>> >>>> Check out or update participant bios: >>>> www.members.re-wrenches.org >>>> >>>> _______________________________________________ >>>> List sponsored by Redwood Alliance >>>> >>>> List Address: [email protected] >>>> >>>> Change listserver email address & settings: >>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>>> >>>> List-Archive: >>>> http://www.mail-archive.com/[email protected]/maillist.html >>>> >>>> List rules & etiquette: >>>> www.re-wrenches.org/etiquette.htm >>>> >>>> Check out or update participant bios: >>>> www.members.re-wrenches.org >>>> >>>> _______________________________________________ >>> List sponsored by Redwood Alliance >>> >>> List Address: [email protected] >>> >>> Change listserver email address & settings: >>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>> >>> List-Archive: >>> http://www.mail-archive.com/[email protected]/maillist.html >>> >>> List rules & etiquette: >>> www.re-wrenches.org/etiquette.htm >>> >>> Check out or update participant bios: >>> www.members.re-wrenches.org >>> >>> _______________________________________________ >> List sponsored by Redwood Alliance >> >> List Address: [email protected] >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://www.mail-archive.com/[email protected]/maillist.html >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> www.members.re-wrenches.org >> >> _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/[email protected]/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > -- David Katz Sent from Gmail Mobile
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