Star-fst-l mailing list

[Zhenyu Ye <yezhenyu2003 AT gmail.com>]

We have connectors from both sides. The straight will work well from one 
side, not the other. 

Zhenyu

> On Apr 9, 2021, at 8:51 AM, Visser, Gerard <gvisser AT indiana.edu> wrote:
> 
> Probably, a straight one will work better than a bent one?
> If 70 mil tip diameter is right, I think 5625A14 may be excellent, using 
> the 15 deg tips. Of course guesswork involved here.
> 
>     Gerard
> 
> 
> From: Zhenyu Ye <yezhenyu2003 AT gmail.com>
> Sent: Friday, April 9, 2021 9:39 AM
> To: Visser, Gerard <gvisser AT indiana.edu>
> Cc: Star-fst L <star-fst-l AT lists.bnl.gov>
> Subject: Re: [Star-fst-l] Found a new way to seperate t-board connectors
>  
> Hi Gerard,
> 
> Yes, this is the path we are on. I first found out the tool was not 
> available and the brand was purchased by another company. Mike suggested 
> McMaster 57805A44, which I bought and tried. It is indeed convenient to 
> unplug the connectors. So it will be useful for module installation. But 
> one problem for using it during the module production is that the module is 
> placed in the storage box, and the tool is too long to fit in, as shown in 
> Shenghui’s photo. I have ordered 5449A52, which is shorter by 2 inches. 
> Will see how it works on Monday. 
> 
> Zhenyu
> 
> > On Apr 9, 2021, at 8:04 AM, Visser, Gerard <gvisser AT indiana.edu> wrote:
> > 
> > hello all, especially Mike,
> >   It seems the tool you used, Mike, is no longer available. (Of course 
> > maybe can be found used someplace.)
> >   There are many snap ring pliers available though, of course, e.g. 
> > https://urldefense.com/v3/__https://www.mcmaster.com/snap-ring-pliers__;!!P4SdNyxKAPE!XEJtYSzLGMCCf-qeWhCvgUaILG3loAlgsgV3t-jZ5g42jnlxXKa0rVYJjr-TJVP8Pwxa-2c$
> >   . Mike could you try to identify from dimensions something that should 
> > be equivalent, so others can buy and try? Indeed from Shengui's picture 
> > the head-on, not angled style will be better.
> >    I have at home some that have adjustable (screw clamps to hold the 
> > tips at various spacing as needed, the tips have a bent shank and you 
> > just rotate them around till the gap is right and then tighten the 
> > screws). Something of that style might work well, if the tip diameter and 
> > length is right. I think it is like one of these 
> > https://urldefense.com/v3/__https://www.mcmaster.com/snap-ring-pliers/changeable-tip-retaining-ring-pliers-sets-10/__;!!P4SdNyxKAPE!XEJtYSzLGMCCf-qeWhCvgUaILG3loAlgsgV3t-jZ5g42jnlxXKa0rVYJjr-TJVP8kR1pT58$
> >   .
> > 
> >   Anyway, I leave this to others to pursue but I still would encourage 
> > that this is done. Sincerely,
> > 
> >        Gerard
> > 
> > 
> > 
> > From: Aschenauer Elke-Caroline <elke AT bnl.gov>
> > Sent: Friday, April 9, 2021 8:38 AM
> > To: Visser, Gerard <gvisser AT indiana.edu>
> > Cc: Aschenauer Elke-Caroline <elke AT bnl.gov>; Zhang, Shenghui 
> > <shenghui AT uic.edu>; apotosto AT bnl.gov <apotosto AT bnl.gov>; Star-fst L 
> > <star-fst-l AT lists.bnl.gov>
> > Subject: Re: [Star-fst-l] Found a new way to seperate t-board connectors
> >  
> > maybe a utterly stupid question but are the sides of the box glued or 
> > screwed?
> > If they are screwed just remove the one head side and it will work. And 
> > indeed it is important it is the same tool Mike bought.
> > 
> > Cheers elke
> > 
> >> On Apr 9, 2021, at 08:21, Visser, Gerard <gvisser AT indiana.edu> wrote:
> >> 
> >> hi Shengui,
> >>    That doesn't look like the same tool. ??
> >>    But, would it anyway have fit if you came at it from the other side 
> >> (i.e. on the right in this picture?).
> >>    I would repeat my concern that unplugging of the hybrids from T board 
> >> without some way to apply the force directly to the connector body, is a 
> >> very high risk. If we can avoid ever​ doing that to a production hybrid 
> >> that would be much better. I think it is certainly worth a few days 
> >> delay to resolve this. (My opinion anyway.)
> >>    Sincerely,
> >> 
> >>        Gerard
> >> 
> >> 
> >> From: Zhang, Shenghui <shenghui AT uic.edu>
> >> Sent: Friday, April 9, 2021 4:37 AM
> >> To: Visser, Gerard <gvisser AT indiana.edu>; apotosto AT bnl.gov 
> >> <apotosto AT bnl.gov>
> >> Cc: Star-fst L <star-fst-l AT lists.bnl.gov>
> >> Subject: Re: [Star-fst-l] Found a new way to seperate t-board connectors
> >>  
> >> Hi Mike and all,
> >> 
> >> I tried to use the new way to do unplugging of production hybrids and 
> >> found the tool couldn't fit in the storage box shown at the attachment. 
> >> So, I think that we couldn't use the new way during the module assembly.
> >> 
> >> Best,
> >> Shenghui
> >> From: Star-fst-l <star-fst-l-bounces AT lists.bnl.gov> on behalf of 
> >> Aschenauer Elke-Caroline <elke AT bnl.gov>
> >> Sent: Wednesday, April 7, 2021 10:04 AM
> >> To: Visser Gerard <gvisser AT indiana.edu>
> >> Cc: Star-fst L <star-fst-l AT lists.bnl.gov>; Sun, Xu <xusun87 AT uic.edu>
> >> Subject: Re: [Star-fst-l] Found a new way to seperate t-board connectors
> >>  
> >> Dear Mike, All,
> >> 
> >> indeed awesome find, I agree with Gerard, let's buy them for all places 
> >> we do any  plugging/unplugging of production hybrids.
> >> 
> >> Cheers elke
> >> 
> >>> On Apr 7, 2021, at 10:59, Visser, Gerard <gvisser AT indiana.edu> wrote:
> >>> 
> >>> Hi Mike - wow - awesome!
> >>> This is an extremely good find, for reducing what I think is one of the 
> >>> highest risk areas in FST.
> >>> I would strongly suggest that those doing any​ plugging/unplugging of 
> >>> production hybrids anywhere, stop work until they procure this exact 
> >>> tool. It will be worth any delay that incurs. Of course, not my 
> >>> decision, only recommending here.
> >>> I am attaching here your two photographs so others on list can see.
> >>> Thanks, sincerely,
> >>> 
> >>>      Gerard
> >>> 
> >>> 
> >>> From: Ye, Zhenyu <yezhenyu AT uic.edu>
> >>> Sent: Wednesday, April 7, 2021 10:51 AM
> >>> To: Capotosto, Michael <capotosto AT bnl.gov>
> >>> Cc: Visser, Gerard <gvisser AT indiana.edu>; Sun, Xu <xusun87 AT uic.edu>
> >>> Subject: Re: Found a new way to seperate t-board connectors
> >>>  
> >>> Hi Mike,
> >>> 
> >>> Very nice!
> >>> 
> >>> Zhenyu
> >>> 
> >>> > On Apr 7, 2021, at 9:42 AM, Capotosto, Michael <capotosto AT bnl.gov> 
> >>> > wrote:
> >>> > 
> >>> > Hey guys, 
> >>> >  
> >>> > Hope all is well. 
> >>> >  
> >>> > Had a thought pop into my head while I was staring at the half ring 
> >>> > assembly, thought I’d share…
> >>> >  
> >>> > These snap ring pliers fit perfectly into the 2mm holes in the hybrid 
> >>> > side Nicomatic connectors. They provide enough grip to easily un-mate 
> >>> > the connectors, inserting the pliers as shown. The same goes for the 
> >>> > outer. It has enough friction to gently wiggle the connector free. 
> >>> >  
> >>> > --Mike
> >>> > <Removing module ffrom t-board.jpg><Snap ring pliers.jpg>
> >>> 
> >>> <Removing module ffrom t-board.jpg><Snap ring 
> >>> pliers.jpg>_______________________________________________
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> >> 
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> >> 
> >> 
> >> 
> >> 
> >> 
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> >   )    `\                                                      +
> >  /    '. |        Elke-Caroline Aschenauer  (she/her/hers)      =
> >  |       `,                                                      -
> >   \,_  `-/        Brookhaven National Lab                         +
> >   ,&&&&&V         Physics Dept.,            25 Corona Road         =
> >  ,&&&&&&&&:       Bldg. 510 /2-195          Rocky Point, NY,        -
> > ,&&&&&&&&&&;      20 Pennsylvania Avenue                 11778       +
> > |  |&&&&&&&;\     Upton, NY 11973                                     =
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