Why not use shot peened in a bodywork?
Today, as always, we’ll talk about a topic based on our experience. In which? In the blasting of a bodywork.
As you know few weeks ago we took the Mini´s body and and its subframes to receive a splash of sand, in order to remove all rust they had. Well, some guys recommended us a company which had this services, and we accepted because these guys had already taken to this company a couple of cars before, and they said the results were good. So we brought the Mini to them.
(First of all I need to say that none of us, except Jess, have experience in bodywork repairs and paint, all we know is self taught, and therefore does not have to be correct or right. Everything I will say is my personal opinion, nothing more than that.)
The result of this blast? In my opinion too hard. «This is not blasting, it does not look anything like what I’ve seen on the Internet«. That was the first thing I thought. Of course, the rust had completely disappeared, but it seemed that the car was shotted with bird shots. And I was not far wrong. Look at the material they used for this service.
Yes, it’s metal, we confirmed it with the magnetic squad we have for welding. It is shot peened. The following pictures show you the result of this shot peened in the subframes. Goodbye oxide.
The final result in the subframes? Good. Now, another thing is the bodywork. Why? The thickness of the metal, that is the key. At the end of the second video of the previous post shows the gentleman who greeted us explained what areas would give him the blasting. Body frameworks and also the edges, the interior and the underbody.
When we asked why he told us that in other areas (bodywork flaps, doors and roof) did not dare to give him, he was afraid to break the body metal sheet. At the time I didn’t understand as I should, now, now I know why. These pellets used in the shot peened would have broken the Mini tinplate of these areas. (Because it’s true, this metal seems paper thin veneer)
When I picked up the car with Alvaro the truth is that I was frankly very scared . The first thing I did was to ask Jess if this would have remedy, and when she saw the Mini in person she told us there was no problem, that was perfect. It will require more work but that the bodywork was perfectly. Here are some pictures to give your opinion, that’s why we’re here ;).
In my personal opinion we were wrong, we shouldn’t have hire this shot peened service blasting, because although the body is either going to require extra work to leave it in excellent condition. The good thing? Like most things, this also has a solution, take a look at the following video of our VideoBlog series.