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Tag Archives: how to

  • The Sorcery of Tuck Shrinking Sheet Metal

    The simplest way to describe how metal moves or reacts when you shrink or stretch it is to imagine pizza dough. When you stretch the dough out to make a larger pie you'll see it gets larger AND thinner as you stretch it out. If you watch the process they start with a small, thick, round piece of dough that they kneed out until the dough is the desired thickness and put the excess material on the edges for the "crust" The same if they wanted to make the pie smaller, you'd need to gather the dough together creating bunches and smooth it all together until it was the desired shape. Metal reacts almost EXACTLY the same.
  • What is "Hot Flocking" and When do I do it?

    This helps with adhesion, but can be VERY tricky if you aren't careful. Start by cleaning your parts as good as possible, including any paint, grease or oil. I then like to run the part through the heat and cool cycle once heating the part past the curing temperature of your powder (check your powder bottle for the temperature). I then do one last wipe down with Acetone and then put it back in the oven and heat it to the curing temperature until the ENTIRE part is reading the cure temperature. Using an IR thermometer is key here.
  • Where and when do I use Epoxy Primer on my project?

    In the past self etching primer was the go-to coating to apply over bare metal on a car. Metal required little prep work to apply it, it flashes/drys quickly, and it came in 1K Aerosol cans for small jobs. In the past 5-10 years you've probably been hearing more people talk about Epoxy Primers and their use as opposed to self etching primer. We decided to give you some insight on where and when epoxy primer works best.
  • How to fabricate and install Heavy Duty Threaded Inserts

    Recently when channeling my Ford Model A I wanted to use Grade 8 fasteners for all of the body mounts instead of just tapping threads into the frame or inserting rivnuts that could fail over time. First of all the 1/4" wall of the tubing wasn't really thick enough to give sufficient threads to hold the weight and twist of the body from normal driving. We came up with a slick solution and figured we'd share.

    I started by threading a batch of Grade 8 nuts onto a carriage bolt and locking them all together.

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    I then mounted the bolt into the lathe and cut off the hex portion of each nut leaving us with perfectly round grade 8 threaded inserts. The nuts were cut down just a hair bigger than 1/2" so they would be a press fit into a 1/2" drilled hole.

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    I then counter sunk each hole and threaded a bolt into each insert so I could adjust them so they were straight in the holes. I used the TIG 200 to carefully lay a weld puddle on the edge of the threaded insert melting it to the frame. You must take your time here and be very precise because a rogue dab of filler rod could go over the edge of the threaded insert and make your life hell when it comes time to thread a bolt back into the insert!

     

     

     

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    Hopefully you can use this method to put some clean, strong threaded inserts in your next project.

    -Matt/EW

  • How Much Paint Do You Need to Paint a Car?

    There is no way to know exactly how much paint you need to paint every car, but there are basic guidelines. Of course the bigger the car, truck or van is the more paint you will need, and if you are spraying a basecoat/clearcoat you will need both components. One good way to make a more accurate estimate...

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