NO CUTTING CAN HAPPEN OUTSIDE OF THIS MARGIN.
for accurate measurements of your materials (*materials do not always correspond to labeled thickness) 3) MARGINS: projects that will be clamped to the CNC bed (compared to being held down by the vacuum) must fit within a 1 1/2 margin around the perimeter of the actual stock. Calipers are available in the CNC room (Digital Fabrication Shop, Arch 109). 2) DIMENSIONS: use accurate dimensions for materials, Rhino objects, and cut levels, as inconsistencies between the digital object dimensions and material thickness can result in errors such as cutting into the plenum board or machine bed, damaging cutting tools, and/ or inaccurate machining of workpiece.
Please note that speeds and feeds are set to a default setting for estimation purposes, and users will later use the feeds and speeds calculator to produce the actual settings during CAM file review. These tools are digital duplicates of our actual tool selection. Open RhinoCAM, then upload the tool library. Save the file, then drag it from your Downloads folder to the desktop. Go to the Architecture home page > Student Groups & Resources link > Wood Shop/ Digital Fabrication Shop link > RhinoCAM Tool Library (most recent edition if multiple are available).
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Tips for CAM File Preparation 1) Download the RhinoCAM tool library to use when making CAM files. 7) Materials PROHIBITED from milling metals, ceramic, stone. 5) Collet sizes, 1/8, 1/4", 3/8,1/2 10mm (for drilling mills) 6) Materials APPROVED for milling: MDF, plywood, solid lumber, foam, plaster, acrylic. 3) Work envelope: 48 (X and Y axes), 4 3/4 (Z axis) 4) Spindle speed 18,000 RPM max. Techno CNC Specifications 1) Work envelope: 48 (X and Y axes), 4 3/4 (Z axis) 2) Feed rate 250 IPM max (inches per minute). Unlike a rapid prototyper, which prints a part layer by layer (an additive process), the CNC will incrementally remove waste material revealing the part from within solid stock (a subtractive process). The gantry moves the bit along the X, Y, and Z axis based on coordinates developed in relation to a 3D Model in the form of a tool path. The CNC router mills material utilizing a cutting tool fixed in a rotary spindle which traverses along an overhead gantry system.
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1 What is the CNC Router? Techno LC Series 4848 CNC Router Tutorial The CNC (Computer Numerically Controlled) Router is a digitally driven, coordinate based prototyping and production machine.
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