数控英语测验2及答案.doc

Test 2 Major Name Number I. Translate the WARNING into Chinese. (12分) WARNING Keep hand body away from the tool operating area to prevent serious injury auto mode operation. SAFETY INSTRUCTION 1. Be sure to switch to the manual mode at tool replacement. 2. Be sure to turn off the power source at maintenance?. 3. Check if pull-stud is securely tightened to tool holder at tool loading. 4. Load the tools in the magazine in a good balance. 注意 在自动运转模式下，要将身体远离刀具的操作范围，以免造成伤害。 安全操作指导 1.确保在手动操作模式下更换刀具。 2.确保在关闭电源状态下，维修机器设备。 3.安装刀具时，确保刀具固定、拧紧。 4.刀具库中的刀具安装，要注意平衡。 II. Translate the following into Chinese (20分) 1. Automation operation by NC is readily adaptable to the operation of all metalworking machines. Lathes, milling machines, drill machines, boring machines, grinding machines, turret punches, flame or wire-cutting machines and welding machines, and even pipe benders are available with numerical controls. 数控加工制造目前已经广泛的应用于几乎所有的金属加工机床：车床，铣床，钻床，镗床，磨床，回转冲床，电火花或线切割机床和焊接机床，甚至弯管机也采用数控加工技术。 2. Every NC machine tool has two components: the traditional machine tool with a servo motor and machine control unit. MCU is the head of an NC machine tool. 每个数控机床都有两个组件：含有伺服电机的传统机床和机器控制单元。机器控制单元式数控机床的“大脑”。 III. Translate the words or phrases into English. (32分) 1、车床 lathe /Turning machine 2、铣床 mill /Milling machine 3、刨床 Planing machine 4、磨床Grinding machine 5、钻床 Drilling machine 6、镗床 Boring machine 7、加工中心machining centers 8、数控机床 NC machine 9、立铣头 head 10、工作台 work table 11、工件 workpiece