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What forms of cutting
2013-10-23 by seoer3
Cutting means with a metal cutting wheel  ( including cutting tools , grinding tools and abrasives ) of the blank or workpiece cut the excess material layer of a chip , provided to the workpiece geometry, dimensions and surface quality of the processing methods. Landlord wants to know is not the classification of cutting metal machining There are many classification methods . Common are the following three kinds . According to technical characteristics distinguish machining process characteristics depend on the structure of the cutting tool and the workpiece and the cutting tool relative movement form . Characterized by technology , machining can be divided into : turning, milling, drilling , boring , reaming , planing , slotting , broaching , sawing, grinding , grinding , honing , super finishing , polishing, gear processing, worm gear machining, threading , ultra- precision machining, fitter and scraping and so on. By removal rate and accuracy can be divided into : ① roughing : with a large depth of cut , the knife once or a few times to go from the workpiece cut most or all allowances , such as roughing , rough planing , rough milling , drilling and sawing , rough machining precision , high efficiency and low, generally used as pre- processing , and sometimes also for final processing . ② Semi-finishing : generally used as an intermediate between roughing and finishing step , but the workpiece demanding accuracy and surface roughness of the site, can be used as final machining . ③ finishing : cutting with a fine way to make the machined surface to achieve high accuracy and surface quality, such as fine cars, fine planing , precision reaming, grinding and so on. Finishing is the final process generally .
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