The STEP-NC data model is overviewed and analyzed.
分析了STEP-NC数据模型及数控程序的组织结构。
STEP-NC is a new STEP-compliant programming interface.
NC是遵从step标准的新型数控机床编程接口。
As a new standard of CNC system, STEP-NC provides a neuter mechanism.
NC作为一种新的CNC系统标准，提供了一种不依赖于具体系统的中性机制。
The file structure of STEP-NC is analyzed, and STEP-NC file is created by using UG.
对STEP-NC的文件结构进行了分析，并且通过UG软件二次开发的方法来生成STEP-NC文件。
The data structure of the program interpreter was put forward based on the characters of STEP-NC.
针对STEP - NC程序的结构特点，开发该程序解释器的数据存储结构。
After analyzing STEP-NC standard, the paper systematically research NC machining based on STEP-NC.
通过分析step - NC标准，对于以STEP - NC为基础的数控加工相关环节进行了系统的研究。
Third, in the workshop layer, made research on the function designing of the CNC system based on the standard STEP-NC.
第三层是车间层，主要研究了基于STEP - NC标准的数控系统的功能设计。
STEP-NC brought forward by the European and American is a new NC interface, which will replace the old ISO6983 standard.
STEP-NC是由欧美提出的新的数控接口标准，目的是取代旧的数控标准ISO6983。
The domestic and overseas state-of-the-art of STEP-NC is introduced. At last, some problems that need to be researched further are discussed.
介绍了国内外的研究概况，讨论了几个尚待深入研究的问题。
This system can recognize the features automatically and make process planning with human-computer interaction, and then generate STEP-NC program.
该系统可进行自动特征识别，经人机交互方式进行工艺规划，最终生成STEP-NC数控程序。
A simulation system of NC turning based on STEP-NC is presented for verifying STEP-NC program and simulating running conditions of the actual system.
提出了一种基于STEP - NC的数控车削加工仿真系统，该仿真系统能够验证STEP - NC数控程序、模拟实际系统运行。
On the basis of comparison between STEP-NC Program and G/M code, the structure, characters and application of STEP-NC in CNC System are analyzed in details.
在对STEP-NC与G/M代码进行比较的基础上，详细地阐述了STEP-NC程序结构、特征以及其在CNC系统中应用和地位。
The open CNC system on STEP-NC was brought forward. The gross structure of the open CNC system was put forward, and the function of each compositive module of…
提出一种基于STEP-NC的开放式数控系统，确定了开放式数控系统的总体结构，并着重介绍了STEP-NC数控系统各组成模块的功能。
Currently, the developed industrial countries are expanding STEP into manufacturing with great efforts, and have drafted an international standard named STEP-NC.
目前工业化发达国家正在大力开发制造领域的STEP，并且已形成了标准草案(STEP - NC)。
The paper mostly includes the research development of STEP-NC information picking up system based on SDAI, the system is prepared for developing the STEP-NC system.
本文主要研究和开发了基于SDAI的STEP-NC信息提取系统，为开发STEP-NC数控系统提供了前提和基础。
STEP-NC makes information bidirectional between CNC and other CAX systems, the richer information in the program file raise the level of intelligent functions of CNC.
NC使CNC与其它CAX系统之间实现了信息的双向流通，丰富了数控程序的信息含量，提高了CNC的智能化水平。
The overall architecture of the system consisted of code interpreter, modeling module, feature database of turning based on STEP-NC and simulation drive is established.
讨论了仿真系统的译码器、基于特征的加工数据库、实体建模以及仿真驱动等组成模块实现的关键技术和方法。
STEP-NC relates design information and manufacturing information of the products in the form of oriented object, dispels the information flow bottleneck between CAX and CNC.
NC以面向对象的形式将产品的设计信息与制造信息联系起来，消除CAX 与CNC之间的信息流瓶颈。
The method and course of Non-Linear Process Planning(NLPP) used in STEP-NC was introduced, and the method of validating the sequence of machining working steps was also studied.
介绍了STEP-NC应用环境下计算机辅助工艺设计系统的非线性工艺设计的方法和过程，以及如何进行工步序列的有效化。
In the process of designing Post-Processor, our aim is converting STEP-NC file to some type CNC control code, and in this way verifying the STEP-NC file gained from Pre_Processor.
在后处理器的设计中，我们的主要目的是把STEP - NC文件转换成某种类型的数控机床控制系统的数据指令，以此来验证前处理器中得到的STEP - NC文件的正确性。
It describes the STEP-NC data model based on the extension of step, introduces some major concepts like manufacturing feature and working step, overviews the data model for milling.
首先简要介绍了STEP - NC数据模型与STEP的关系以及制造特征、工步等主要概念，概括了铣削模型的基本结构和组织方式。
The STEP-NC is brief introduced, gives emphasis to the NCML components and structure, and a simple program sample. The difference and relation between STEP-NC and NCML were compared.
对STEP - NC进行了简介，着重分析了NCML的组成结构及一个简单的程序实例，比较了STEP - NC和NCML两者之间的区别和联系。
Research the characteristics of the STEP-NC program structure, and propose a method of information extraction based on schema and entity. In the last, test and verify the method by an example.
分析了STEP - NC程序构造特点，提出基于形式和实体白勺信息提取方法，并通过实例停止验证。
The decipher of AP238 file can't explain and execute line by line as G Code, and can only compile, thus the decipher process system of STEP-NC numerical control system was called as the compiler.
对AP238文件的译码处理不能像g代码那样逐行解释执行，而只能采取编译的方法，因此，STEP - NC数控系统的译码处理系统称之为编译器。
NC servo spindle features new type step motor applying fine divide method to servo system controlled by single chip micro computer.
采用新型步进电机的数控主轴头，并将细分技术用于单片微机控制的伺服系统。
High speed and intermittent feed is a feature of the quilting machine, a nc quilting machine is developed by nc and step motor technology including hardware and software designed.
高速，间歇式进给是数控绗缝机的特点，本文借助于数控技术和步进电机控制技术开发了一套高速数控绗缝机控制系统，并进行了硬件和软件设计。
The step error and line error of free-form surface of projecting NC machining were analyzed.
分析了自由曲面三坐标投影法数控加工的步长误差和行距误差。
Initialization of tool offset is a very important step in the operation of NC-lathe, which influences directly operation of machine and precision of parts processing.
在数控车床的操作中，刀具偏置的设定是一个很重要的环节，它直接影响到机床的正常操作和零件的加工精度。
The geometric error modeling of NC machine tools is the key technique to dynamics design, precision analysis and error compensation. It is the important step to improve the precision of machine tools.
数控机床的误差建模是进行机床运动设计、精度分析和误差补偿的关键技术，也是保证机床加工精度的重要环节。
The geometric error modeling of NC machine tools is the key technique to dynamics design, precision analysis and error compensation. It is the important step to improve the precision of machine tools.
数控机床的误差建模是进行机床运动设计、精度分析和误差补偿的关键技术，也是保证机床加工精度的重要环节。
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