Content Inside :
The primary tools in a machine shop: – lathe: for cylindrically symmetric parts • part rotates, tool on x-y stage
– milling machine (or mill): rectangular parts, hole patterns • spindle rotates tool, part on x-y-z stage – drill press: for low precision or chasing pilot holes • like a mill, except no fine motion control, thus no side-cut capability (a matter of holding strength as well as motion) – bandsaw: for roughing out stock • circular band of a saw blade makes for a continuous “hack saw” – sandpaper, files, granite block – grinding wheel (make lathe tools, diamond pins) – measurement equipment, • Precision outer diameter • Precision inner diameter • Stepped and angled transitions – can drive tool at angle other than 90° – with numerical control, arbitrary profiles possible • Facing off – flat, or even conical • Threading (though complicated, advanced skill) Threading (though complicated, advanced skill) – outer thread – inner thread – complete control over pitch, multi-thread, etc. • Boring Boring – usually with drill bit (possibly followed by reamer) in tail stock – but can use boring bar to make larger holes. Drawing and modeling in solidworks Milling Machine Capabilities • Surfacing/Shaping – fly cutting; facing edges • Pockets – tightness of corners depends on diameter of bit • Slots Slots • Hole Patterns Hole Patterns – with table encoders, easily get to 0.001 inch (25 microns) • With numerical control, arbitrary shapes/cutouts With numerical control, arbitrary shapes/cutouts – gets around etch-a-sketch problem: can draw circles, etc.! • Simple and Complex Angles • Boring (can use boring bar here, too).Go through SW online tutorials until you have enough knowledge to make your 3-D model • Make 3-D model, and turn this into 2-D machine
drawing
Tags : diamond pins, lathe tools, arbitrary shapes, pilot holes, granite block, milling machine, machine capabilities, outer diameter, inner diameter, grinding wheel, saw blade, boring bar, circular band, measurement equipment, tail stock
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