The paper introduces graphs aided programming and macro programming in NC system, and then presents the syntax analysis process of macro program.
介绍了数控系统中图形辅助编程和宏程序编程两种编程方法，并给出了宏程序的语法分析过程。
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。
There must be a coding process from NC program to interpolation module to control machine.
数控加工程序需要经过译码处理后，才能提供给插补模块进行运动控制。
Numerical Control (nc) is any machining process in which the operations are executed automatically in sequences as specified by the program that contains the information for the tool movements.
数字控制是按照含有机床(刀具)运动信息程序所指定的顺序自动执行操作的加工过程。
G code index this part of NC program, and report to the programming of the calculation method, where the part process analysis is the focus of this and difficulty.
用G代码编制该零件的数控加工程序，并附以编程尺寸的计算方法，其中零件工艺规程的分析是此次论文的重点和难点。
Combining the craft features of the parts process, the NC generalized program for typical workpiece is worked out with group technology.
并结合加工工件的工艺特点，采用成组技术编制典型工件的NC加工通用程序。
To improve the efficiency decreased by feed rate in traditional nc program, a nc program optimization system is developed for rough milling process.
针对传统数控程序中进给速度固定限制加工效率的缺点，开发了面向粗铣加工的数控程序优化系统。
Nc incremental sheet parts forming process is a flexible process which is to form the sheet point by point on nc forming machine according to the prepared program.
板料零件数控渐进成形工艺是一种通过数字控制设备，采用预先编制好的控制程序逐点成形板料零件的柔性加工工艺。
The former realizes automatic formation of NC program and the last simulates NC tool hardware interpolation process.
自动编程系统实现数控加工程序的自动生成。
The NC Machine manufacturing process is conducted automatically per pre-made part manufacturing program, and it won't change with actual manufacturing condition.
数控机床加工过程是按预先编制好的零件加工程序自动进行的，不随实际加工状况变化而变化。
Nc automatic program is a mainstream of the programming approach in the current numerical control process, and it has a series of merit such as quick speed, short period, high quality and convenience.
数控自动编程是当前数控加工中编程方法的主流，它具有编程速度快、周期短、质量高、使用方便等一系列优点。
There are some close related technical questions in NC program and process. To comprehend the relation between NC program and process is the key for NC program and operation.
从数控编程到加工涉及了许多有密切联系的技术问题，深刻理解数控程序与加工之间的联系，成为掌握数控编程与操作的关键。
G code index this part of NC program, and report to the programming of the calculation method, where the part process analysis is the focus of this paper and difficulty.
用g代码编制该零件的数控加工程序，并附以编程尺寸的计算方法，其中零件工艺规程的分析是此次论文的重点和难点。
Numerical Control (nc) is any machining process in which the operations are executed automatically in sequences as specified by the program that contains the information for the tool movement.
了解数控机床的概念，所谓数字控制是按照含有机床(刀具)运动信息程序所指定的顺序自动执行操作的过程。
This paper discussed the methods about cutting thread on nc Lathe. The cutting errors was analyzed. The program about cutting thread and the notices in cutting process were concluded.
本文首先介绍了螺纹数控切削的编程方法，并就其对加工误差的影响进行了分析，最后根据实际工作总结出数控车床螺纹切削编程及加工时的注意事项。
The motion orbit of cutting-tool is simulated dynamically on the computer screen, with test and verification of NC program achieved in the non-real cutting process.
仿真系统模拟数担数控机床硬件插补原理，在计算机上动态地模拟出刀具运动轨迹，实现非实际切削过程中的数控代码验证。
While machining turbine blade simply by Parallel machine Tool (PMT), NC program development is often limited by workspace of PMT, and it is difficult to process at the best posture.
用并联机床加工汽轮机叶片时，往往受其工作空间的限制而不能在最佳的切削姿态下进行加工。
While machining turbine blade simply by Parallel machine Tool (PMT), NC program development is often limited by workspace of PMT, and it is difficult to process at the best posture.
用并联机床加工汽轮机叶片时，往往受其工作空间的限制而不能在最佳的切削姿态下进行加工。
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