joshthemule
12-15-2008, 06:27 AM
Ok, Sorry I'm not a member and can't post pics. I'll try to be accurate in my description.
I'm fabricating a pair of mounting brackets for a rear tube bumper. The base is 3/16ths mild plate. I'm cutting in four holes with a bi-metal hole saw to act as the channels for the tube. Between the tubes will be an inch of overhang material. I have access to an ironworker through my steel supplier. He is going to bend the access at a 90 to act as a flange around the edge for lateral support and to help old the tubes captive.
Now that I've made a mess of describing the brackets, I'll ask a question.
How much room should I give for the radius of the bends. The tool he is using is just a blade and challis looking device that will bend a 90 in anything from a piece of paper to 1/4 plate. So, I don't want the bends to intrude on the channel where the tube is so I need know how much to plan on.
Here it is in the simplest form. What is the radius of a 90 degree bend in a given piece of plate steel? is it the width? 1/2 the width? More complicated?
I'm fabricating a pair of mounting brackets for a rear tube bumper. The base is 3/16ths mild plate. I'm cutting in four holes with a bi-metal hole saw to act as the channels for the tube. Between the tubes will be an inch of overhang material. I have access to an ironworker through my steel supplier. He is going to bend the access at a 90 to act as a flange around the edge for lateral support and to help old the tubes captive.
Now that I've made a mess of describing the brackets, I'll ask a question.
How much room should I give for the radius of the bends. The tool he is using is just a blade and challis looking device that will bend a 90 in anything from a piece of paper to 1/4 plate. So, I don't want the bends to intrude on the channel where the tube is so I need know how much to plan on.
Here it is in the simplest form. What is the radius of a 90 degree bend in a given piece of plate steel? is it the width? 1/2 the width? More complicated?