Welding repairs and fabrication


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Dayton Vintage Speed

Look Ma, No Hands!
Jul 5, 2018
65
157
48
Dayton Ohio
#1
I'm offering my services for welding repairs and fabrication on bicycle frames and sheet metal parts. I am an experienced sheet metal fabricator and welder with 30 years of professional experience in the automotive restoration industry. I am experienced in welding steel, stainless steel, and aluminum. I offer both mig and tig welding as well as oxy-acetylene and tig brazing. I offer a full sheet metal fabrication services. I can fix, straighten, and reproduce sheet metal parts. Feel free to PM me with any questions or a quote.

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Barto

I live for the CABE
Mar 13, 2015
1,593
1,524
Somers, United States
#2
Uggghhh, where were you two months ago. I took my tank to two body shops...they both declined. Had someone from my shop who was a former body man do it....it was less than expected. I ended up doing another repair and it's OK at best. BTW, Very nice work on the rack
 

Barto

I live for the CABE
Mar 13, 2015
1,593
1,524
Somers, United States
#7
So, what would a charge be for the type of repair you did you your rear rack? Super nice job by the way!!!

BART
 

then8j

Wore out three sets of tires already!
Oct 6, 2010
685
307
Walnut Creek CA
#9
Do you have any more before and after pics of your work.? I tried fixing some stuff myself and we’ll....... it’s not very pretty.
 
Likes: bricycle

Dayton Vintage Speed

Look Ma, No Hands!
Jul 5, 2018
65
157
48
Dayton Ohio
#10
Yes.
This is a TOC Jenkins frame I just aquired. The tubes in the triangle are a little worse for wear. The down tube had a section of new tubing cobbled in it that was the wrong size and was crudely welded. I believe the bike frame was also used to drive rail road spikes at one time by the amount of dents that were in the top and seat tube. The rear chain and seat stays are in good order but the tubes of the main triangle are rough to say the least. The easiest fix for a straight tube frame such as this is to put sections of new tubing in. Here's a before pic of the down tube repair.
20181029_215018.jpg


I cut the old 1 inch undersized tube out and cleaned off the remnants of its remains from inside tends of the original tube.

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I fitted th he new tube and fixtures the bike frame so I could keep the tubes inline.

20181116_225118.jpg


I welded the tube in place then finished the welds.

20181117_164551.jpg


I'm putting a section in the top tube the using the same method.
 

Dayton Vintage Speed

Look Ma, No Hands!
Jul 5, 2018
65
157
48
Dayton Ohio
#11
Of the things I commonly fix or repair are things like stripped pedal threads in old cranks. ( Most all have been TOC hard to find cranks. ) I machine an insert slug to size and drill the end of the crank arm out. I use a Bridgeport milling machine to drill the crank arm so keep it as square as possible.

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I install the insert. If all goes well this is a press fit.

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I then weld both sides of the insert.

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I finish the welds off. Tap the hole to proper pedal size in this case 1/2-20. Then I re-patina the repair area if so desired.

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Finished and pedal test fitted.

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Last edited:

5760rj

Wore out three sets of tires already!
Sep 19, 2017
692
475
92027
#15
I'm offering my services for welding repairs and fabrication on bicycle frames and sheet metal parts. I am an experienced sheet metal fabricator and welder with 30 years of professional experience in the automotive restoration industry. I am experienced in welding steel, stainless steel, and aluminum. I offer both mig and tig welding as well as oxy-acetylene and tig brazing. I offer a full sheet metal fabrication services. I can fix, straighten, and reproduce sheet metal parts. Feel free to PM me with any questions or a quote.

View attachment 846534

View attachment 846537
hello, have a Higgins rear rack and I want to install a NOS pair of 1948 buick roadmaster fender reflectors, support brace can be moved with a possible sheet metal brace/attachment to strengthen area and mount reflectors, rack will be high enough to clear fenders, what do think?
20190528_183737.jpg


20190528_183928.jpg


I'm offering my services for welding repairs and fabrication on bicycle frames and sheet metal parts. I am an experienced sheet metal fabricator and welder with 30 years of professional experience in the automotive restoration industry. I am experienced in welding steel, stainless steel, and aluminum. I offer both mig and tig welding as well as oxy-acetylene and tig brazing. I offer a full sheet metal fabrication services. I can fix, straighten, and reproduce sheet metal parts. Feel free to PM me with any questions or a quote.

View attachment 846534

View attachment 846537
 

willswares1220

I live for the CABE
Dec 18, 2011
1,913
677
Port Washington, WI
#17
Yes.
This is a TOC Jenkins frame I just aquired. The tubes in the triangle are a little worse for wear. The down tube had a section of new tubing cobbled in it that was the wrong size and was crudely welded. I believe the bike frame was also used to drive rail road spikes at one time by the amount of dents that were in the top and seat tube. The rear chain and seat stays are in good order but the tubes of the main triangle are rough to say the least. The easiest fix for a straight tube frame such as this is to put sections of new tubing in. Here's a before pic of the down tube repair.
View attachment 906188

I cut the old 1 inch undersized tube out and cleaned off the remnants of its remains from inside tends of the original tube.

View attachment 906189

I fitted th he new tube and fixtures the bike frame so I could keep the tubes inline.

View attachment 906190

I welded the tube in place then finished the welds.

View attachment 906191

I'm putting a section in the top tube the using the same method.
Beautiful craftsmanship!!!
 

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