How do you keep parts lined up correctly while building?

[El C]

A nicely rolling bike that also goes straight need to be well balanced and lined, right?

So how do you keep parts lined up while mocking up, welding and so on?
Do you have a jig?
If so, what kind?
Bought or selfmade?

 

[Psychographic]

It seems this is a secret people don't want to share. I asked for pics of jigs and only got a pic of the robot from lost in space.

 

[horsefarmer]

FYI this forum has a search function...

 

[Dr. Tankenstein]

duct tape.....unless the paint will pull off...then, blue tape......[emoji16]


Sent from my iPhone using Tapatalk

 

[Psychographic]

FYI this forum has a search function...

Like most forums, the search function is not very good. I did a search for "frame jig", nothing came up about jigs. Then I searched "jig" and got no results at all.

 

[horsefarmer]

http://ratrodbikes.com/forum/index.php?threads/how-to-build-a-jig.2010/

 

[Psychographic]

http://ratrodbikes.com/forum/index.php?threads/how-to-build-a-jig.2010/

Thank you for the link. It's a shame the PB pics are all blurry, it sure would be nice to see them in focus.

 

[MattiThundrrr]

I h8 F***Bucket for holding old threads for ransom.
"Here, let us hold your pictures for you. We'll do it for free!
Oh, you thought that "free" meant free? It means "free, for now..."

 

[Starnger]

I use the welding table for alignment of the tubes. One day i'll build myself a jig, but for now welding table is perfectly enough.
Here is a build thread of one of my frames, you can see its done there. You can also see how i used laser-cut cardboard as a template for tube bending.

 

[Brian macumber]

I saw this on local fb yard sale looks like the link above.
https://www.facebook.com/marketplace/item/780107755743388/