Study on Machinability of Pre-Hardened Plastic Mould Steel

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Abstract:

The relationship between machinability and microstructure of plastic mould steel is still not clear enough, despite the application of plastic mould steel is more and more wide. In this study, two typical plastic mould steels, namely, 718 (DIN 1.2738) and SDP1 steel with the same hardness are chosen to investigate turning force, tool wear and milling force by experimental test. Combining with the turning and milling test, discussions about cutting force and the relationship between machinability and microstructure are made. And it’s found that the micro-uniformity has a great effect on the machinability of plastic mould steel.

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Periodical:

Advanced Materials Research (Volumes 690-693)

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2501-2508

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Online since:

May 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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