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Machining is the main processing method of the steam turbine system. Due to its complex structure, numerous materials, and complex process, the massive types and quantity of cutting tools generated. The key to improve the machining efficiency and reduce the processing cost is adopting the advanced cutting tools and optimize the process. In this paper, a typical cutting tool design system of multiple functions was established, such as tool management, tool design, tool simulation and process optimization. The working process of cutting tool design and process optimization was described in the case of BTA deep-hole drilling. This system can effectively manage and develop the tools and provide the optimum process parameters, which is of great significance to the high efficiency, high quality and low cost of the steam turbine system. Introduction Steam turbine is an essential part of power generation equipment, marine propulsion plant and industry-driven, it will have many applications in various industrial sectors with the development of petrochemical industry, metallurgy, light and textile industry. The main processing method of steam turbine parts is machining, accounts for more than 90%, cutting tools play an important role in solving the steam turbine processing problem. However, machining requires faster processing speed, higher reliability, repeatability and reproducibility, which ask for higher efficiency, precision and security of cutting tools. Rodriguez, J. A had carried out the sensitivity analysis and showed that neural network modeling could effectively predict and simulate the behavior of life cycles assessment in blades of steam turbines [1]. Bhatt, M. Siddhartha presented improvement in energy efficiency and power loading of steam turbines through module retrofits accomplished by migration from 2-D designs to 3-D designs [2]. Han, IS and Lee, YH et al. developed and applied to the condensing steam turbine network of a chemical plant, reduced the energy cost considerably [3]. Hafid presented the results of research on the manufacturing of steam turbine blade by using investment casting technology [4]. Aimed at the multiple machining tool varieties and the complex processing of steam turbine typical parts, combined cutting tool parametrical design with tool precise design theory and cutting simulation technology, established dedicated tool design and the three dimensional digital simulation integrated platform applied to different type and different series, carried out tool structure parameter optimization and cutting process simulation, in order to reduce tool developing time, improve tool life and ensure the tool reliability. Cutting processing research was carried out to optimize existing manufacturing processes by optimizing cutting parameter, analyzing machining quality, and establishing dedicated database, ensured machining quality and improve efficiency, reduced the cost of machining, promoted the tool application level in the field of energy equipment manufacturing. According to CIRP survey of cutting database economic showed that cutting database processing costs can drop by more than 10% [5].This article took the design and simulation of BTA deep-hole drill as an example, presented the design and work process of the system. Research on Core Technique of Tool Design & Simulation Platform Tool design & simulation platform is an database platform integrated UG, ANSYS, ABAQUS, the platform have 10 modules, such as the system login, process management, optimization management, Joint International Mechanical, Electronic and Information Technology Conference (JIMET 2015) © 2015. The authors Published by Atlantis Press 1174 tool design, tool simulation, machining simulation, system maintenance, experiment management, knowledge base and system help et al., as shown in fig. 1. Tool Design Simulation Platform System Login System Maintenance Process Management Tool Design Tool Simulation Machining Simulation Experiment Management System Help Optimization Management Knowledge Base Fig. 1 Tool Design Simulation Platform Block Tool Design & Simulation Block Parametric modeling techniques was used to conduct secondary development by UG modeling platform, which can be set selected, tool feature added and modified for different parameters, took rapid preliminary design and modification to the tool, The process of tool design & simulation is shown in fig. 2. Based on ANSYS, 3D-wave finite element simulation platform, took simulation analysis aim at statics, dynamics and cutting process of tool, then further optimized the tool parameters.

Simulation and Design System of Typical Tool for Steam Turbine