CAD Design Process - CNC Process

CAD Design Processguessing you are getting the idea. You first design
When designing something complex in CAD you willparts, then put them together into sub assemblies. In
find there is a bit of a process. First you design parts.the car example above the differential is a sub
Then you build the parts into Sub-Assemblies. Nextassembly in the axel "Group" of the car. Sub
you build sub-assemblies into Groups. Then you buildAssemblies are put together to form groups.
the groups into the machine. It is a logical pyramidDesigning Groups
process. You can also think of it like a file structureMoving up the design chain, groups are usually things
inside of a computer.you can identify with. It could be a door, engine,
Designing Partstransmission, or cooling package on a car. Above we
Parts are your building blocks. Without this level, nothingused the example of an Axle as a Group. Groups are
could be produced. The part level breaks the entireput together into machines. Our example is a car,
"thing" down to its simplest form. You alsowhich is at the machine level.
manufacture at the part level. You make parts, andDesigning the Machine
then assemble them into other things. Parts areFinally, the top level of all your designing, the machine.
generally made out of raw materials.The machine could be built for the end user or be sold
Think of a differential on the rear axel of a car. Theto another manufacturer. That manufacturer could use
differential is made up of gears and a housing. Each ofyour "machine" as a sub assembly or group. You can
these are parts of the differential and the differential issee all this is just a matter of viewpoint. You can
the assembly of these parts.consider just about anything a sub assembly, group or
Designing Sub Assembliesfinal machine. It is all just semantics and what you are
Sub Assemblies are the next level up and I amusing the item for.