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Adding a pin to a Script Dodge Logo - a job for Muggy Weld??
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56D500boy
Posted 2019-09-14 7:17 PM (#587525)
Subject: Adding a pin to a Script Dodge Logo - a job for Muggy Weld??



Expert 5K+

Posts: 5199
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Location: Lower Mainland BC
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Previously I have attempted to fix a 55/56 Plymouth horn ring with Muggy Weld. It worked(ish) but the US Postal Service tested the weld and it was found wanting.



After my second (or third) try "not bad" :



After the USPS go through with it :



This thread: http://www.forwardlook.net/forums/forums/thread-view.asp?tid=69374&...

I recently found a very nice 55/56 Dodge Script Logo on eBay with very little if any pitting so I snapped it up. Not sure if I noticed one of the pins on the back was missing/broken. Regardless, the quality of the rest of the logo was good enough to ignore that issue and hope that I can fix it.

Seeing that I still have the Muggy Weld stuff, I am going to try to fix the broken pin. I see that the pin was hollow so there is a chance to use the hole to reinforce the addition of a new pin. (On the back of the "e" in Dodge):

Open to suggestions (as usual)

This is what I have to work with:



Edited by 56D500boy 2019-09-14 7:23 PM




(eBayDodgeScriptLogo_Front.jpg)



(eBayDodgeScriptLogo_Back.jpg)



Attachments
----------------
Attachments eBayDodgeScriptLogo_Front.jpg (210KB - 11 downloads)
Attachments eBayDodgeScriptLogo_Back.jpg (190KB - 10 downloads)
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56D500boy
Posted 2019-09-17 9:43 PM (#587678 - in reply to #587525)
Subject: RE: Adding a pin to a Script Dodge Logo - a job for Muggy Weld??



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Posts: 5199
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Location: Lower Mainland BC
Not wanting to start a new project (converting a NOS "Model A" Jubilee horn into a 56 Dodge Jubilee horn), I decided to go back to the Dodge Script issue (broken stud/pin) to see if I could make some progress there.

That I did.

First thing was I checked the size of the stud against yhr 8-32 and 6-32 machine screws which I have on hand and decided that the closest size was the 6-32. Then I decided to see if I could drill out the machine screw so I could use a guide pin to hrlp connect/align the machine screw with the broken stud/pin on the script logo.

I put the 6-32 machine screw in a vise with the flat end up and I started drilling with a 3/64 drill bit. I was lucky enough to get the bit started close (enough) to the centre of the end of the machine screw. I went slow and was able to get in about 3/16" in without breaking the bit (almost a first). Then I switched to a 1/16" bit and went in a total of about 5/16". Went surprisingly well.

Then I used the same 1/16" bit and drilled into the broken stud using the existing hole in the stud as the starting point. Went in about 3/16 or so. Then I used my Dremel to create a flat square top for the machine screw to land on.

I couldn't find a small brad nail so I sacrificed the 1/16" bit and cut a guide pin about 3/8" long with my Dremel. Might need to be a bit longer.

I trialed the guide pin in the script logo stud and the 6-32 machine screw. Looks like it will work well enough.

If I didn't have the Muggy Weld, I think I would try epoxy or regular solder. However, I do have the Muggy Weld so that will be the next step. Maybe tomorrow.

Photos from this afternoon (took about 30 minutes total):



Edited by 56D500boy 2019-09-18 1:21 AM




(DrillingOutA6_32MachineScrew_showingGuidePin.jpg)



(DrillingOutA6_32MachineScrew_WithGuidePinInserted.jpg)



(DrillingOutTheBrokenPin.jpg)



(DrillingOutTheBrokenPin_AddingAGuidePin.jpg)



(InsertingDrilled6_32MachineScrewOverGuidePinInBrokenStud.jpg)



(InsertingDrilled6_32MachineScrewOverGuidePinInBrokenStud_FullInsertion.jpg)



Attachments
----------------
Attachments DrillingOutA6_32MachineScrew_showingGuidePin.jpg (49KB - 10 downloads)
Attachments DrillingOutA6_32MachineScrew_WithGuidePinInserted.jpg (53KB - 10 downloads)
Attachments DrillingOutTheBrokenPin.jpg (64KB - 9 downloads)
Attachments DrillingOutTheBrokenPin_AddingAGuidePin.jpg (64KB - 10 downloads)
Attachments InsertingDrilled6_32MachineScrewOverGuidePinInBrokenStud.jpg (69KB - 10 downloads)
Attachments InsertingDrilled6_32MachineScrewOverGuidePinInBrokenStud_FullInsertion.jpg (72KB - 9 downloads)
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mikes2nd
Posted 2019-09-18 2:06 AM (#587687 - in reply to #587525)
Subject: Re: Adding a pin to a Script Dodge Logo - a job for Muggy Weld??


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good stuff, its hard to do real precise work with the mugglyweld. I kind of blast it on and it takes a ton of time taking it down slowly.

just rip the pins off fill up the back with muggyweld or some other filler, and 3m double sided tape it on

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56D500boy
Posted 2019-09-18 9:45 PM (#587724 - in reply to #587678)
Subject: RE: Adding a pin to a Script Dodge Logo - a job for Muggy Weld??



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Posts: 5199
5000100252525
Location: Lower Mainland BC
Okay. Today was yesterday's tomorrow and while I was waiting for door sill paint to dry, I set up the Script Logo, the 6-32 machine screw and the internal pin made from a 1/16" drill bit.

I put the script in the vice (Black and Decker Workmate) and adjust the height so the 6-32 machine screw rested nice and square on an angle bracket that I had in the workshop. Then I put Muggy Weld flux on the joint and up the wazzoo where the sun don't shine. Then I fired up my wife's kitchen torch and heated the fluxed area until the flux was brown and bubbling. Then I applied the Muggy Weld rod. Went reasonable well (or so I thought).

As I was trimming off the excess "weld" (really a type of solder), I noticed that the heat had bubbled the chrome on the pot metal (WTH!!??) Oh my.

I used my Dremel for the initial trimming and then a metal file. I supported the joint well but even doing that, it broke at the joint. Oh my.

So after a few minutes of cursing, I got the machine screw and script back together for another try. This time I made sure that there was flux up the script pin's hole. Then I taped it back in place on the Workmate and tried again. This time I wasn't worried about being pretty. (In fact the result was ugg-a-lee).

When things cooled, I trimmed the excess off with the Dremel. I did not use the file this time. When I was happy(ish), I cut the 6-32 machine screw to about the same total length as the OE pins on the script logo.

I had thought that I would use a 6-32 die on the end result but I'm not confident that the "weld" will hold enough to withstand the torque of the die as it is turned down over the 6-32 threads and then into the Muggy Weld.

A bit depressing to be honest. I bought the script because the chrome was nice, no pits. Now it has some bubbles.

Oh my.



Photos:






(SettingUPToUseTheMuggyWeld_1.jpg)



(SettingUPToUseTheMuggyWeld_2.jpg)



(AfterTheFirstGoWithMuggyWeld.jpg)



(AfterTheSecondGoWithMuggyWeld.jpg)



(AfterTheSecondGoWithMuggyWeld_AfterTrimmingWithDremel_1.jpg)



(AfterTheSecondGoWithMuggyWeld_AfterTrimmingWithDremel_2.jpg)



Attachments
----------------
Attachments SettingUPToUseTheMuggyWeld_1.jpg (135KB - 9 downloads)
Attachments SettingUPToUseTheMuggyWeld_2.jpg (128KB - 9 downloads)
Attachments AfterTheFirstGoWithMuggyWeld.jpg (123KB - 9 downloads)
Attachments AfterTheSecondGoWithMuggyWeld.jpg (149KB - 9 downloads)
Attachments AfterTheSecondGoWithMuggyWeld_AfterTrimmingWithDremel_1.jpg (114KB - 9 downloads)
Attachments AfterTheSecondGoWithMuggyWeld_AfterTrimmingWithDremel_2.jpg (122KB - 9 downloads)
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