What are the processes involved in reverse engineering and how to start it?

What are the processes involved in reverse engineering and how to start it?

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3 Answers

Well, the first step is to either have the object you want to reverse engineer/copy/replicate or a sufficient amount of data with dimensions and properties.
The next step is to understand how the parts are assembled and connected and based on that, make a decision on the way you will create all the required parts. I know at least seven different ways to create a round tube. I always use that method which allows me to use it within the assembly. Sometimes it's welding profile (structural member, sometimes it's a revolved boss feature, sometimes an extruded boss, sometimes it's made as a loft, or use a thickening feature...) it all depends on what you want to do with it later... If it's a sheet metal, you can create a drawing, boss extrude, edge flange, or make a solid and bend and rip edges... There are many ways to get the job done...

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If by reverse engineering you mean make a model or models of already existing parts and or assemblies, then this is the technique I use. If the components are assemblies, then you pretty much have to take the assembly apart. From there you start your model of each part. It helps to have knowledge of machining and or manufacturing techniques, as I like to build my model in the same manner as it would be manufactured. As far as the part, it simply becomes a method of measurements. Micrometers, calipers, Coordinate Measuring machine, 3D scanners, Optical comparators, and so on. To give you an example, download the "0-1 micrometer" that I modeled. It was "reverse engineered" from a DoAll micrometer that I won as a prize about 47 years ago. Most all the measurements I needed were taken with a digital caliper.

Here is a link to the file...


Hope this helps...

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3D scanning is best way to reverse engineer parts into your CAD software, especially on complex parts. The more complex the part, the more you will benefit from 3D scanning. I would love to sell you a 3D scanner, but I don't recommend jumping into doing that right away. If you have parts that you need to reverse engineer, I would recommend using 3D scanning services. This will help you by getting your project done quickly and by giving you a chance to better understand the capabilities and benefits of using a 3D scanner before you commit to the cost of purchasing your own equipment.

There is a video on our website that shows our 3d scanning / reverse engineering capabilities.


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