NC Numerical Control 数字控制
NCK Numerical Control Kernel(numerical krnel with block preparation, traversing range etc.) 数字控制核心：具有程序段预处理,运行范围等等 NCU Numerical Control Unit 数控单元
NURBS Non Uniform Rational B Spline 非均值有理B样条 NV Zero Offset 零点偏置
OEM Original Equipment Manufacturer 原设备制造商 OP Operator Panel 操作面板
OPI Operator Panel Interface 操作面板接口 PC Personal Comprter 个人计算机
PCMCIA Personal Computer Menory Card International Association 接口协议
PG Programming Device 编程器
PLC Programmable Logic Control 可编程逻辑控制器 PRT Program Test 程序测试
RAM Random Access Memory 随机存取存储器
RISC Reduced Instruction Set Computer 处理器，具有指令组小、通过能力强
ROV Rapid Override 快速修调
RPA R Parameters Active(NCK memoty area for R parameter numbers) R 参数有效，NCK 中用于R 参数号的存储器区
RTS Request To Send(control signal from serial data interfaces) 发送请求：来自串行接口的控制信号 SBL Single Block 单段
SBL2 Single Block Decoding 译码单段
SEA Setting Data Active(memory area for setting data in NCK) 设定数据有效：用于NCK 中设定数据的存储区 SD Setting Data 设定数据
SKP Skip Block 程序段跳跃 ** Signal Module 信号模块 SPF Sub Program File 子程序文件
SPS Programmable Logic Controller 可编程逻辑控制器 SRK Cutter Radius Compensation 刀尖半径补偿 SSFK Leadscrew Error Compensation 丝杠螺距误差补偿 SSI Serial Synchronous Interface 串行同步接口 SW Software 软件
TEA Testing Data Active(with reference to the machine data) 测试数据有效：与机床数据有关 TO Tool Offset 刀具补偿
TOA Tool Offset Active(memory area for tool offset) 刀具补偿有效，用于刀补的存储区
TRAN**IT Transform Milling into Turning(coordinate conversion on turning machines for milling)
铣床转换为车床：车床坐标换算用于铣削加工 VSA Feed drive(spindle) 主轴进给驱动 V Bit type PLC variable PLC变量类型：位 VB Byte type PLC variable PLC变量类型：字节 WKZ Tool 刀具 WZ Tool 刀具
WZK Tool offset 刀具补偿
ZOA Zero Offset Active(memory area for zero offsets) 零点偏置有效：零点偏置存储区