Wipe away the dust.
How to weld a nut to sheet metal.
You can start by applying pressure in the upper range.
Wash the metal pieces with trisodium phosphate or another industrial strength cleanser if.
Nut welding using marc 1 nut welding system.
How to bond metal to metal without soldering.
If you ve ever tried to tap an m6 thread into a 1 5mm sheet metal part in real life you will find that the threads strip very easily due to the fact that you will not even get 2 full threads in the material.
That will a help keep the nut from twisting up on one side and b act as a heat sink for the small threads on the inside of the nut.
Here is a simple method for determining the right mix of parameters for weld nut resistance welding.
Run a bolt through it and tighten it down lightly.
Specify in the tail of the welding symbol 2 180 means degree s can t find.
The most common thing that happens to me is that i overheat the nut and then the threads have melted just enough where you can t get the bolt in easily.
It on my key board hear to which i will apply 2 small mig welds 180 degrees apart.
Forget the larger 1 8 inch tungsten electrode and use a smaller one.
Today we show the verycoolgang 3 different ways to attach two pieces of m.
Once you have the holes you just stick the bolt through the hole and screw on the nut on the other end.
To ensure the weld cools downs a hold time of 20 to 30 cycles is required.
Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal.
To weld sheet metal with solid wires use electrode positive ep or reverse polarity.
Having said all of that for a small qty you could just bolt them in place.
Sand the area to be joined with fine sandpaper steel wool or emery paper to remove any surface oxidation or corrosion.
Like with riveting you just need two pieces of metal with proper size holes in it.
Tig welding sheet metal.
Sometimes it is wise to use washers as well to avoid damaging the metals.
Clinch nuts are the ideal answer but another commonly used practise is to simply weld a standard nut onto the sheet metal part.