High Speed Turning of H-13 Tool Steel using Ceramics and PCBN
Publish Year: 1386
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICME08_050
تاریخ نمایه سازی: 27 آبان 1388
Abstract:
H-13 is the toughest tool steel used in machined die casting and forging dies. Due to its extreme hardness and poor thermal conductivity high speed cutting results in high temperature and stresses. This gives rise to surface damage of the workpiece and accelerated tool wear. This study evaluates the performance of different tools including ceramics and PCBN using practical finite element simulations and high speed orthogonal cutting tests. The machinability of H-13 was evaluated by tool wear, surface roughness and cutting force measurements. From the 2D finite element model for orthogonal cutting, stresses and temperature distributions were predicted and compared for the different tool materials.
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Authors
U Umer
Assistant Professor Engineering Sciences Department, Pakistan Navy Engg. College,National University of Sciences and Technology, Karachi, Pakistan
S.N .Danish
Assistant Professor, National University of Sciences and Technology (NUST), Pakistan
S.J Askari
Assistant Professor, National University of Sciences and Technology (NUST), Pakistan
S.I Butt
Assistant Professor, National University of Sciences and Technology (NUST), Pakistan
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