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Companies are using CNC hot wire foam cutters

by:Luteng CNC Parts     2020-09-01
EPS foam, urethane foam, aluminum, light wood, acrylics, plastics and polycarbonate, ABS. The machining process involves creating 3D model using 3D CAD software, then bringing this model into a 3D tool-path that will tell the router the shape size, the resolution, cutting directions, cutting depth, etc. The shapes that can be created with a router are almost unlimited. Applications & Industries: * Automotive - Full scale cars, boats, planes * Aerospace - UAVs models * Architectural - Any 3D architectural shapes * Fine Art, sculptures, statues * Marine - Boats, ships models * Museums - 3D displays, faces, statues * Navigation - Topographic maps If you have a 3D model you wish to design and it is either too large or too thick to be machined due to height or cutter length restrictions or the foam material not being thick enough, the shape can be sliced into sections. Each slice will be machined separately using the router and then the pieces can be glued together. The machined parts can then be sanded and coated with protective hard shell and painted, which will also take care of eliminating any visible grooves due to the gluing. Routers can also be used to create molds that can later be poured with concrete or polyurethane and other casting materials. CNC routers range from a few inches of working area all the way up to 50 feet in length. Every router uses a spindle - it is the motor that is doing the actual cutting. Router's spindles range from 1HP (horse power) to 20HP and above, and they can hold end mills (the driller) from 1/16' all the way to 2' and above. Different materials require different end mills and different cutting speeds. The denser the material the slower the cutting speed. If you need to create a foam shape design that is large or even full scale you can use a small model, scan it using a three dimensional scanner then transport it into the CNC router for machining, using a specialty cutting software that generates the part file. Using the scanner enables you to convert any regular model to a live-size design. Any model can be scanned - a face, a sculpture, a car toy, train, boat, plain and anything you need larger. You do not have to visualize and imagine how the 3D model will look like - the scanner does it for you.
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